luyện chọn nhanh đáp án bài tập trắc nghiệm hóa học 12 nguyễn hữu thạc

C6ng thiJc ca'u tao ciia hai este trong h6n hop Y la : Hay chon cong thiJc dung.. X la h6n hgp 2 este dong phan dugc tao thanh tir m6t ancol dan chiJc, mach cacbon khong phan nhanh v6i

Trang 2

N H A X U A T B A N H A N O I

Chiu track nhiem xudt ban

N G U Y f i N K I M SON

Chiu trdch nhiem noi dung vd bdn quyin

TRUNG T A M V A N HOA TRANG A N

Bien tap noi dung

P H A M Q U O C T U A N

Trinh bay bia

PHAM HUE

L U Y f i N C H O N NHANH DAP AN B A I T A P T R A C NGHlfiM H O A H O C 12

In 1000 cuon, kh6 16x24cm, tai X i nghiep in NXB Van hoa Dan t6c

Dang k i K H X B so: 451 -2013/CXB/30c TK- 43/HN

In xong va nop liai chieu nam 2013

nAi duiL

Theo chii trirong cua Bo Giao due va Dao tao, trong nhirng nam hoc

vCra qua viec danh gia ket qua hoc tap, cung nhir trong cac k i thi tuyen sinh, phuofng thiic thi trdc nghiem da dugc sir dung rpng rai

De giiip cac em hoc sinh thanh thao va lam t6't cac bai tap theo phuong

thiic nay, chiing toi bien soan cuon sach Luyen chqn nhanh dap an bdi tap

trdc nghiem Hoa hoc 12 dung de on luyen thi td't nghiep THPT va thi Dai

hoc, Cao dang

Noi dung cuon sach gom hai phan:

Phan I : B A I T A P T R A C N G H I E M

Cac bai tap trac nghiem trong phan nay dugc bitn soan theo tCrng

chuang ciia SGK (ca ban va nang cao) M6i bai tap c6 bon dap an tra 16i (A, B, C, D)," ban doc se chpn lay mot dap an diing

Phan H : H U O N G DAN T R A LC)I Phan nay dugc trinh bay rat ngan gon, hudng dan ban doc each tlm

dap an diing, nhanh nha't va chinh xac nhat (khong cSn phai giai cu the nhu lam bai tap ta luan)

Ban doc c6 the diing phan nay de tir kiem tra, danh gia ket qua hoc tap ciia minh Qua do vCra ciing c6 dugc kien thiic, vira hgc dugc each lam tdt nha't m6t bai tap trac nghiem

Cuon sach Luyen chpn nhanh dap an bdi tap trdc nghiem Hoa hoc 12

dugc tai ban Ian thii hai nay c6 chinh l i va bo sung Xin dugc gidi thieu vdi cac

em hgc sinh cung cac vi phu huynh va thiy c6 giao

T A C G I A

Trang 3

Phan I

B A I T A P T R A C N G H I E M

Chuang 1

€ST€ - U P I T

1.1 Phan Crng tirong tac cua axit v6i ancoI tao thJlnh este, dircrc goi 1^ :

A Phan ling trung hoa

B Phan ling ngung tu

C Phan ling este hoa

D Phan ij:ng kd't hop

Hay chon dap an dung

1.2 Thiiy phan este trong m6i tru&ng k i l m dun n6ng goi la :

A Xa phong hoa ; B Hidrat h6a ;

C Crackinh ; D Sir Idn men

Hay chon dap an diing

1.3 Thuy phan este trong m6i trudng kidm, thu ducfc :

A Mu6'i va nude ; B M u 6 i vel ancol;

} ae<::' ,

C Ancol va nu6c ; D A x i t vk ancol

1.4 Cap axit nao sau day duoc goi la axit b6o ?

A Axit stearic va axit fomic

B Axit oleic va axit fomic

C Axit panmitic va axit glutamic

D Axit panmitic va axit stearic ,6 r

i

Trang 4

1.5 Chat beo CO CTPT (CnHjgCOOgCgHg CO ten ggi :

A Glixerol tristearat

B Propin tristearat

C Glixerol stearat

D Triglixerol stearat ;

Hay chon ttn gpi diing

1.6 Trong cac cau sau day, cau dung nha't la :

A Dau an la h6n hop nhi6u este

B Dau an la este cua glixerol

C Dau an la este cua glixerol va axit beo

D D&u an la este

Hay chpn dap an dung

1.7 M5 tir nhien la :

A Este ciia axit panmitic (CJ5H31COOH)

B Mu6'i cua axit beo

C H6n hgp ciia cac loai lipit khac nhau

D Este cua axit oleic (CiyHjjCOOH)

1.8 San ph^m hidro hoa triglixerit cua axit cacboxylic kh6ng no

goi la:

A M6 h6a hoc

B Dau thuc vat

C Macgarin (diu thirc vat bi hidro hoa)

D Mo thirc vat

1.9 C6ng thiic tdng quat nao sau day la cLia este don chirc ?

1.10 Mu6'i ciaa axit beo dirge gpi la:

A Mufi'i hifu CO ; B Este ;

C Mo ; D Xa phong

•1.11 Xa ph6ng dugc san xua't bang cdch nao dirdi day ?

A Phan hijy dSu, mo

B Thijy phan mo bang kiem

C Phan iJng axit vdri kim loai

D hidro h6a mo tu nhien

-J o

1.12 Thanh ph^n chii ye'u ciia nhidu loai b6t giat tdng hgp la :

A Este ciia axit beo , , ,

B Dan xua't ciia xenlulozo

C Ankyl sunfat

D Xa phong nhan tao

Hay chgn dap an diing

-1.13 Phuong phap nao la dung nha't d^ lam sach quSn ao dinh ve't diu an ?

A Giat bang nirdrc

B Giat bang c6n ;

C Giat bang xa phong

D Giat dy bang xang

Trang 5

1.14 Cho 60 gam axit axetic tac dung vori 100 gam ancol etylic, thu diroc

55 gam este Hi6u sua't phan ling tren la :

A 62,5% ; B 55% ;

C 21,7% ; D 58%

Hay chon ddp s6' dung

1.15 Thuy phan cha't beo glixerol tristearat (C]7H35COO)3C3H5 phai dung

1,2 kg NaOH Gi^ sir hi6u sua't 80% Kh6'i luang glixerol thu duoc la :

A 9,2 kg; B 0,736 kg ;

C 0,92 kg ; D 7,36 kg

1.16 Dot chay hoan toan m6t lugng h6n hgp 2 este, cho san pham phan irng

chay qua binh dirng P2O5 du, khoi lugng binh tang 6,21 gam, sau do

cho qua tiep binh dirng Ca(0H)2 du, thu dugc 34,5 gam ket tua Cac

este noi tren thu6c loai gi ? (dan chirc hay da chirc, no hay khong no)

A Este thu6c loai no

B Este thu6c loai kh6ng no

C Este thu6c loai no, dan chirc •

D Este thuOc loai khdng no, da chiic

1.17 E la este ciia m6t axit dan chiic va ancol dan chu-c De' thuy phan hoan

toan 6,6 gam chat E phai dung 34,10 ml dung dich NaOH 10% (D =

1,1 gam/ml) Lugng NaOH nay du 25% so v6i lugng NaOH phan irng

C6ng thurc ca'u tao ciia E la :

A CH3COOCH3

B HCOOC3H7;

C CH3COOC2H5

D Ca hai cau B va C deu diing

Hay chon c6ng thiic diing

8

1.18 M6t hgp chat hifu ca X c6 CTPT C7H12O4. Biet X chi c6 mfit loai nhom chiifc Khi cho 16 gam X tac dung vira dii vdi 200 gam dung dich NaOH 4%, thu dugc 1 ancol Y va 17,8 gam h6n hgp hai mu6'i ,

C6ng thicc cS'u tao thu ggn ciia X la :

A CH3OOC-COOC2H5;

B CH3COO - (CH2 )3 - OOC2H5; ^

C CH3COO-(CH2)2-OOC2Hg;

H-D Tat ca deu sai

Hay chon cong thirc dung

1.19 H6n hgp X gom hai este dan chiJc, d6ng phan ciia nhau D6t chay

a gam X, thu dugc 6,72 lit CO2 va 5,4 gam H2O

Cong thirc phan tir ciia hai este dan chd-c d6ng phan c6 dang :

A C„H2n02 (n > 2) ^

B CnH2n-202 (n> 1)

D C„H2n-402 ( n > 2 )

Hay chon cong thtirc diing

1.20 Cho 21,8 gam chat hiru ca A chi chiia m6t nhom chile tac dung v6i 1 lit

dung dich NaOH 0,5M thu dugc 24,6 gam mud'i va 0,1 mol ancol B

Lugng NaOH du c6 the trung hoa he't 0,5 lit dung dich HCl 0,4M Cho biet c6ng thirc ca'u tao thu ggn ciia A :

Trang 6

1.21 X 1^ h6n hap cua hai este d6ng phan v6i nhau C) cQng diiu k\tn nhiet

da va ap sua't, 1 lit hoi X nang ga'n 9 lin 1 lit khi CO2 Thuy phan 35,2

gam X bang 4 1ft dung dich NaOH 0,2M dirac dung djch Y C6 can Y

dircfc 44,6 gam cha't ran khan Bid't hai este do ancol no don chirc

axit no don chiic tao thanh C6ng thiic phan tir ciia hai este :

A C 2 H 4 O 2 ; B C 3 H 6 O 2 ;

C. C 4 H 8 O 2 ; D CgHioOz

Hay chpn c6ng thiJc dung

1.22. H6n hop Y g6m hai este don chiic mach ho la d6ng phan cua nhau

Cho m gam h6n hop Y tac dung vira dij v6i 100 ml dung NaOH 0,5M,

thu diroc mot muoi cua m6t axit cacbonxylic va h6n hop hai ancol.Mat

khac d6t chay hoan toan m gam h6n hop Y cdn dung 5,6 lit O2 va thu

dirge 4,48 lit CO2 (c^c th^ tich do cf di^u kifin tidu chu^n)

C6ng thiJc ca'u tao ciia hai este trong h6n hop Y la :

Hay chon cong thiJc dung

1.23 D6't chay hoan toan 6 gam este E, thu dugc 4,48 lit CO2 (dktc) va

3,6 gam H2O C6ng thiic phan tir ciia este E 1^ :

A C 4 H 6 O 4 ; B C 4 H 6 O 2 ;

C C 3 H 6 O 2 ; D C 2 H 4 O 2

Hay chon cong thiic diing

1.24 M6t este don chiic, mach h6 c6 kh6'i lugng la 12,9 gam tac dung \i[a dii

v6i 150 ml dung djch KOH IM Sau phan iJng thu dugc mu6'i vk

andehit Cong thurc ca'u tao nao dudri day la ciia este ?

1.25 Di xa phong hoa 17,4 gam m6t este no dan chiJc, c^n d&ng 300 ml

dung dich NaOH 0,5M C6ng thiic phan tir ciia este la :

A C 6 H , 2 0 2 ; B C 3 H 6 O 2 ; A

Hay chon cong thiic dung

1.26 Cho h6n hop X g6m 2 este c6 c6ng thiic phan tir C 4 H 8 O 2 va C 3 H 6 O 2 '

tac dung vai NaOH dir thu dugc 6,14 gam h6n hop hai mu6'i v^ 3,68 gam ancol B duy nha't c6 ti kh6'i so v6i oxi la 1,4375 KhO'i lugng m6i este trong X iSn lugt la :

A 2,22 gam va 4,4 gam

B 3,33 gam va 6,6 gam '

C 4,44 gam va 8,8 gam

D 5,6 gam va 11,2 gam

Hay chon dap an dung ' ''"^ '^^'^

1.27 X la h6n hgp 2 este dong phan dugc tao thanh tir m6t ancol dan chiJc,

mach cacbon khong phan nhanh v6i axit don chiifc Ti kh6'i hoi cua X

so v6i H2 bang 44 Cong thiic phan tir cua X la :

A C 3 H 6 O 2 ; B C 4 H 8 O 2 ; ^

C C5H,o02; D. C 6 H 1 2 O 2

1.28 Trong m6t binh kin dung tich khong ddi la V lit chiJa hoi cha't huu ca

X mach ho va O2 a 139°C; ap sua't trong binh la 2,71 atm (th6 tich

O2 ga'p doi the tich cin cho phan ung chay) Dot chay hoan toan X luc

do nhiet d6 trong binh la 819 K va ap sua't la 6,38 atm Bie't phan tu X c6 dang C n H 2 n 0 2 • Cong thiic phan tir ciia X la :

11

Trang 7

A. C4H8O2 ; B C3H6O2;

Hay chon c6ng thirc diing

1.29 D6't chay hoan loan 0,88 gam h6n hgp 2 este d6ng phan, thu dugc

1,76 gam CO2 va 0,72 gam H2O C6ng thiJc phan tir cua 2 este la :

A C3H6O2 ; B C2H4O2 ;

C C4H6O2; D CsHioOj

Hay chon c6ng thiJc diing

1.30. D6't chay hSt h6n hgp 2 este no, don chiJc, thu du'gc 1,8 gam H2O

Thuy phan hoan toan h6n hgp 2 este tren, thu dugc h6n hgp X gom

ancol va axit

Ne'u dot chay 1/2 h6n hgp X thi the tich khi CO2 thu dugc (dktc) la :

A 2,24 lit ; B 3,36 lit ;

C 1,12 l i t ; D 4,48 l i t

Hay chon dap s6' dung

1.31 Khi xa phong hoa 2,18 gam Z c6 c6ng thirc phan tir la C9H14O6, da

dung 40 ml dung dich NaOH I M Di trung hoa Urgng xiit dir sau phan

ung xa phong hoa phai dung het 20 ml dung djch HCl 0,5M Sau phan

ung xa phong hoa ngudi ta nhan dirge ancol no B va mu6'i natri cira axit

hiru CO m6t lin axit Biet rang 11,50 gam B a the hoi chiem the' tich

bang the tich cua 3,75 gam etan (do a cung nhiet d6 va ap sua't) Cho

cac phan iirng xay ra hoan toan Tim c6ng thiic ca'u tao cua ancol B

1.32 Co 2 este c6 d6ng phan ciia nhau va deu do cac axit no don chCrc va

ancol no don chiJc tao thanh De xa phong hoa 22,2 gam h6n hgp 2 este

1.33 Xa phong hoa 22,2g h6n hgp 2 este laHCOOC2H5 va CH3COOCH3

bang NaOH nguyen chat Khfi'i lugng NaOH da phan irng la :

A 8 gam ; B 12 gam ;

C 16 gam ; ' D 20 gam

Hay chgn dap s6' dung

1.34 Xa phong hoa 22,2g h6n hgp 2 este laHCOOC2H5 va CH3COOCH3

bang lugng dung dich NaOH \iia dii, cic mu6\h ra sau khi xa phong

hoa dugc sa'y den khan va can dugc 21,8 gam S6' mol HCOOC2H5 va

CH3COOCH3 lin lugt Ik :

A 0,15 mol va 0,15 mol

B 0,2 mol va 0,1 mol

C 0,25 mol va 0,05 mol

D 0,275 mol va 0,005 mol

Hay chgn dap s6' diing ' " " "'

1.35 Trong moi trudng kiem , phenol lie dung dugc vdi chat nao sau day d^

tao thanh este phenyl axetat ?

A C H 3 C O O H ; B (CH3CO) 2O ;

C C H 3 C H O ; D- CH3C00Na

1.36 Trieste ciia glixerol v6i cdc axit cacboxylic don chirc, mach cacbon

dai, kh6ng phan nhanh ggi 1^ :

Trang 8

A Lipit ; B Protein ;

C Gluxit ; D Polieste

1.37 S6 ddng phan este irng v6i c6ng thirc phan tir C3H(502 la bao nhieu ?

A 4 d6ng phan ; B. 5 d6ng phan ;

1.38 Glixerol va axit beo stearic c6 the tao duac t6'i da bao nhieu dang este?

A 2 dang este ; B 3 dang este ;

C 5 dang este ; D 4 dang este

1.39 Co bao nhieu trieste glixerol chiJa ddng th5i 3 goc ciia cac axit

CnHjsCOOH, CiyHgjCOOH va CjsHjiCOOH ?

A 2 trieste ; B 3 trieste ;

C 4 trieste ; D 5 trieste

1.40 Cho glixerol tac dung \di h6n hop 3 g6'c axit beo C17H35COOH,

C17H33COOH va C,5H3,COOH. S6 dang trieste toi da c6 the duac tao

thanh la :

A.,9 dang trieste ; " B 16 dang trieste ;

C 12 dang trieste ; D 18 dang trieste

1.41 Thuy phan hap chat C4H6O2 trong m6i tru6ng axit, thu dugc h6n hop

hai chat d6u c6 kha nang tham gia phan ling trang guang. C6ng thirc

ca'u tao ciia hap cha't do la :

1.42 Thuy phan este E c6 c6ng thiJc phan tir C4H8O2 v6i xiic tic axit v6 ca

loang, thu dirge hai san ph^m hiru ca X va Y Tir X c6 th^ dieu che' ra trirc tiep ra Y bang m6t phan umg duy nha't

X c6 c6ng thiic ca'u tao :

A CH3COOH

B C2H5OH

C C H 3 - C H 2 - C O O H

Ti-D C H 3 - C O O - C 2 H 5

Hay chon c6ng thiJc diing i

1.43. CnH2n02 CO the la c6ng thiic tdng qudt ciia loai hgp cha't iiao dudi day?

A Axit cacboxylic no, dan chiic, mach ha

B Este kh6ng no (c6 m6t lien ke't dOi), dan chiic

C Andehit

D Ancol no, hai chCrc, mach hb

1.44 Di^u che' etyl axetat tir etilen cfin thuc hien tS'i thi^u bao nhidu phan

umg ?

A 5 phan iJng ; B 4 phan ling ;

C 3 Phan ilng ; ' D 2 Phan ling

1.45 Ten goi cua este c6 mach cacbon kh6ng phan nhanh c6 c6ng thiic phan

tir C4H8O2 CO the tham gia phan ling trang guang la : -f^ > <«'^

A Propyl fomiat -fi^ "

B Isopropyl fomiat

C Etyl axetat

D Metyl propionat

Hay chon ten goi diing ' -*

1.46 Este dugc tao bai ancol thu6c day ddng dang ciia ancol etylic va axit

thu6c day ddng dang axit axetic c6 c6ng thiic chung la :

Trang 9

A.C„H2n02 ( n > 2 )

BC„H2n+,02(n>3)

C.C„H2n.,02(n>2)

D- CnH2n.202 (n > 3) ;

Hay chgn c6ng thirc diing

1.47 Hai hgp chat hOu co ( chiia C, H, O) c6 so mol bang nhau va bang

X mol Cho Chung tac dung vilra du v6i nhau tao ra san ph^m A kh6ng

tan trong n\xdc va c6 kh6'i lirgng nho hon tdng khdi lirgng cua hai hgp

cha't ddu la 18x gam

A thugc loai hgp chat :

A Axit ; B Ancol ;

C MuO'i ; D Este

1.48 Este E c6 cOng thirc phan tijrC5H|o02 Xa phong hoa E, thu dugc mfit

ancol khOng bi oxi hoa bdi CuO Ten cua E la :

A Isopropyl axetat

B Tertbutyl fomiat

C Isobutyl fomiat

D Propyl axetat

Hay chgn tfin ggi dung

1.49 Thirc hifin phan ling este h6a m gam CH3COOH bang m6t lugng vCra dii

C2H5OH, thu dugc 0,02 mol este (hieu sua't phan ling 100%)

Gia trj ciia m la :

A 2,1 gam ; B 1,1 gam ;

C 1,2 gam ; D 1,4 gam

Hay chgn dap s6' diing

1.50 Cho 7,4 gam este X no, don chufc phan img v6i dung dich AgNO^/NH, dir, thu dugc 21,6 gam ke't tua

COng thiic ca'u tao ciia X la :

A H - C O O - C H 3 '

B H - C O O - C H 2 - C H 2 - C H 3

C H - C O O - C 2 H 5

D H-COO-CH(CH3)CH3

Hay chgn c6ng thiJc dung

1.51 Dot chay hoan toan 0,1 mol este X roi dSn san pham chay vao dung dich Ca(OH)2 du, thu dugc 20 gam ke't tua

C6ng iMc phan tir ciia X la :

A H - C O O - C H 3 A

B C H 3 - C O O - C H 3

C H - C O O - C 2 H 5

D C H 3 - C O O - C 2 H 5 ' ^•

Hay chgn c6ng thiic dung ' ; >

1.52 Xa phong hoa 2,22 gam hai h6n hgp este A, B d6ng phan ciia nhau cfin

diing het 30 ml dung dich NaOH IM Mat khac khi d6't chay hoan toan h6n hop este d6 thu dugc khf CO2 va H2O v6i th^ tich bang nhau (0

Cling dieu kifn). C6ng thiic ca'u tao cua hai este la :

Trang 10

1.53. D6t chiy hokn loan a gam h6n hgp cac este no, don chtrc, mach hor San

pham chay dugc dan vao binh dirng dung dich Ca(OH)2 dir tha'y kho'i

lugng binh tang 1,24 gam Kh6'i lugng ke't tua tao ra la :

A 12,4 gam ; B 10 gam ;

C 20 g a m ; D 28,183 gam

Hay chgn dap s6' diing

1.54. D6't chay hoan loan a gam h6n hgp cac este no, don chiJc, mach ho San

ph^m chay dugc dSn vao binh dirng dung dich nude v6i trong tha'y kh6i

lirgng binh tang 6,2 gam S6' m o l C O j va H 2 O sinh ra iSn lugt la :

A 0,1 va 0,1 ; B 0,01 va 0,1 ;

C 0,1 v a 0 , 0 1 ; D 0,01 vaO,01 •

Hay chgn dap s6' dung

1.55. K h i dg't chay hoan toan este X cho n^o^ = n^^Q Di thuy phan hoan

toan 0,6 gam este X cSn dung dich chiia 0,1 m o l NaOH C6ng thirc

phan t u cua este la :

A C 2 H 4 O 2 ; B C3H6O 2 ;

C C 4 H 8 O 2 ; D C 5 H ,o02

Hay chgn cSng thiJc dung

1.56. D6't chay hoan toan 0,1 m o l este X thu dugc 0,3 mol C O j va 0,3 m o l

H 2 O Ne'u cho 0,1 m o l X tac dung he't vdri N a O H t h i thu dugc 8,2 gam

mu6i C6ng thiic ca'u tao cua X la :

A H C O O C 2 H 3 ; B C H 3 C O O C H 3 ;

C H C O O C 2 H 5 ; D C H 3 C O O C 2 H 5

Hay chgn c6ng thiic dung

1.57 D6't chdy m6t este no, don chirc, mach ho thu dugc 1,8 gam H 2 O T h ^

tich C O 2 (dktc) thu dugc la bao nhieu ?

A 2,24 l i t ; B 4,48 l i t ;

C-3,36 l i t ; D 1,12 l i t

1 58. Dot chay hoan toan a mol este X tao boi ancol no, don chiic, mach ho

va axit khong no (c6 mot lien ket dOi) dan chiic, mach ho,'thu dUv^c 4,48 l i t k h i C O 2 (dktc) va 1,8 gam H 2 O

Gia t r i cua a la :

A 0,05 m o l ; B 0,1 m o l ;

C 0,15 m o l ; D 0,20 m o l Hay chgn dap s6' diing

1.59. Dot chay hoan toan 6 gam este X , thu dugc 4,48 l i t COj (dktc) va

3,6 gam H j O C6ng thiJc phan tir cua X la :

A C S H K P S ; B C 4 H 8 O 2 ;

C C 3 H 6 O 2 ; D C2H4O2

Hay chgn c6ng thiic dung

1.60 Dot chay hoan toan 0,15 m o l este X , thu dugc 19,8 gam C O 2 >a 0,45 mol H 2 O C6ng thiic phan tir cua este la :

A C 2 H 4 O 2 ; B C 3 H 6 O 2 ; • V,

C C 4 H 8 O 2 ; I D C5H10O2 ^ A, •

Hay chon cong thiic dung •^-.-^liVm H> '.F

1.61. De trung hoa 140 gam m6t chat beo cin 15 m l dung dich K O H I M

Chi s6' axit cua chat beo bang :

Trang 11

1.63 Chat b6o X c6 chi s6' axit bang 7 S6 gam NaOH c^n trung h6a axit

b6o CO trong 5 kg chat beo X la :

A 35 gam ; B 40 gam ;

C 42,2 gam; D 45,8 gam ' •

Hay chon ddp s6' diing

1.64 De xa phong hoa 10 kg chat beo (RCOO)3C3H<i nguofi ta dun chat beo

v6i dung dich chiia 1,37 kg NaOH Lugfng NaOH du duoc trung h6a

boi 500 ml dung dich HCl IM Kh6'i luong glixerol xa phong

nguyen chat thu duoc 1^ :

A 1,035 kg glixerol va 11,225 kg xa phong

B 1,050 kg glixerol va 10,315 kg xa phong

C 1,035 kg glixerol va 10,315 kg xa phbng

D 1,050 kg glixerol va 11,225 kg xa phong

Hay chon ddp s6' dung

1.65 Hop chat dodekylbenzen sunfonat c6 CTCT :

C H 3 - ( C H 2 )io - C H 2 - C6H4 - SOjNa la :

A Chat h6o

B Mu6'i natri cua axit sunfuric

C Xa phong

D Chat giat rijra t6ng hop

Hay chon dap an dung ^

1.66 Nhung phit bi^u v6 chat b6o: '

1) Chat h€o \k este 3 i^n este (trieste, trigiixerit) cua glixerol v6i cdc

axit monocacboxylic mach dai, kh6ng phan nhanh

2) Cha't b6o ran, thu&ng khdng tan trong nu6c, nang hon nu6c

3) DSu (dSu thirc vat) 1^ cha't b6o trong d6 c6 chiia cac g6c axit

cacboxylic kh6ng no

4) cac loai dSu (dSu an, dSu nhdn ) ddu khfing tan trong nude cung nhu trong cac dung djch HCl, NaOH

5) Chat b6o (ran cung nhir long) ddu tan trong dung dich KOH

6) C6 th^ di6u che' cha't h€o nhb phan iJng este hoa giua glixerol v^ axit

monocacboxylic mach dai

NhCrng cau phat bi^u nao la diing ?

A 1,2,3,5 ; B 1,2,3,6 ;

C 1,3,5,6 ; D 1,3,4,6

1.67 Dun nong h6n hgfp 2 axit h6o R-COOH va R'-COOH v6i glixerol

Hoi c6 the thu diroc bao nhieu trigiixerit ?

A 4 loai; B 6 loai ;

C 8 loai ; D. 9 loai. , , ^ 3 ^ ^ , Hay chon ddp ^n diing

1.68 Thuy phan este C 4 H 6 O 2 trong m6i tru6ng axit, thu dirge h5n hop hai san phSm deu khong c6 kha nang tham gia phan iJng trang guong

C 6 n g thiic ca'u tao cua este d6 la :

A CH3-COO-CH = CH2

B H - C O O - C H 2 - C H = CH2

C H - C O O - C H - C H - C H 2 ^""^

D C H 2 - C H - C O O - C H 3 ; ^'

Hay chon c6ng thiic diing

1.69 Thuy phan hoan toan 0,1 mol este (R-C00)3R' bang dung dich NaOH, thu ducfc 28,2 gam mu6'i va 9,2 gam ancol

C6ng thiic phan tir cua este 1^ ,

A (C2HgCOO)3C3H5 !

B (C2H3COO)3C3H5

C (C2H3COO)3C4H7 f ,

21

Trang 12

D (C3H7COO)3C3H5

1.70 Xa phong hoa 10 kg cha't beo ran (C,7H35COO)3C3H5 (M = 890), thu

dugrc bao nhieu kg glixerol va bao nhieu kg xa phong ?

A 1,03 kg glixerol 12,5 kg xa phong

B 1,034 kg glixerol va 10,318 kg xa phong

C 2,06 kg glixerol va 10,318 kg xa phong

D 2,06 kg glixerol va 12,5 kg xa phong

Hay chon dap so dung

1.71 Cho 1,76 gam h6n hop 2 este dong phan C4Hg02 tac diing vura du vdi

dung dich NaOH, thu dupe 1,5 gam h6n hop 2 mud'i, trong do c6 m6t

muoi natri axetat va cac ancol tao thanh este la ancol bac I

Cong thiJc ca'u tao ciia hai este la :

A CH3-COO-CH2-CH3 va CH3-COO-CH3

B CH3-COO-CH2-CH2-CH3 va CH3-COO-CH(CH3)-CH3

C CH3-COO-CH3 va H-COO-CH2-CH2-CH3

D CH3 - COO - CH2 - CH3 va H - COO - CHj - CHj - CH3

1.72 X la este cua m6t axit cacboxylic don chiic va ancol etylic Thiiy phan

hoan toan 6,9375 gam X da diing 125 ml dung dich NaOH IM Luang

NaOH du 25% so v6i li thuyet

C6ng thiic ca'u tao ciia este X la :

1 73 Cho 8,6 gam este X bay hoi, thu dupe 4,48 lit hoi X a 273"C va 1 atm

Mat khac cho 8,6 gam X tac dung viia dii vdfi dung dich NaOH, thu dupe 8,2 gam mud'i

C6ng thiirc ca'u tao ciia este d6 la :

A H-COO-CH2-CH = CH2

B CH3-COO-CH2-CH3

C H-COO-CH2-CH2-CH3

D CH3-COO-CH = CH2

Hay chon c6ng thiJc dung

1.74 Este X CO c6ng thiic phan tir C4H6O2 X phan ling vdi dung djch NaOH

Hay chon cdng thirc dung >\c

1.75 Este X CO cdng thirc phan tir CgH804 Khi tac dung vdi dung dich

NaOH, thu dupe mdt mud'i va 2 ancol t' , ' Cdng thiirc ca'u tao ciia X la : J« i

A CH3-OOC-CH2-COO-CH3

B CH3 - OOC - COO - C3H7 y I ::

C CH3-OOC-COO-CH2-CH3 ; ,

D Ca A, B, C d^u diing ' ' Hay chon cdng thiic dung * ^

23

Trang 13

1.76 Este X C O c6ng thirc phan tir C<;H804 khi tac dung v6i dung dich

NaOH, thu ducrc 2 muoi va 1 ancol

C6ng thirc ca'u tao cua X la :

A C H 3 - O O C - C H 2 - C O O C H 3

B H - OOC - CH2 - CH2 - COOCH3

C C H 3 - C O O - C H 2 - C H 2 - O O C - H

D C H 3 - C O O - C H 2 - C O O H

1.77 Este X C O cong thurc phan tir C4H5O2 khi tac dung v6i dung dich

NaOH, thu dugc 2 san pham c6 kha nang tham gia phan irng trang bac

C6ng thirc ca'u tao ciia X la :

A C H 3 - C O O - C H = CH2

B H - O O C- C H 2 - C H = CH2

C C H 2 = C H - C O O - C H 3

D H - C O O - C H = C H - C H 3

Hay chon c6ng thiic dung

1.78 Cho 8 9 gam chat beo (RCOO)3C3H<5 tac dung vira du v6i 1 5 0 ml dung

dich NaOH 2 M , thu dugc xa phong va glixerol vdi khd'i lugng tuong

ling la :

A. 6 1 , 5 gam va 1 8 , 5 gam

B. 9 1 , 8 gam va 9 , 2 gam

C. 8 5 gam va 1 5 gam

D Kh6ng xac dinh dugc

Hay chon dap dn diing

1.79 Chia 7,8 gam h6n hgp ancol etylic va ancol d6ng dang ROH thanh hai

phin bang nhau

PhSn 1 cho tac dung vdri Na (du), thu dirge 1,1 2 lit H T (dktc)

PhSn 2 cho tdc dung vdi 3 0 gam CH3COOH (c6 H2SO4 dac xiic tac)

Hieu sua't ciia phan urng este hoa d^u la 8 0 %

Tdng kh6i lugng este thu dugc la :

A. 6 , 4 8 gam

B. 8,1 gam

C. 8,8 gam

D Kh6ng xac dinh dugc

Hay chon dap s6' diing

1.80 H6n hgp M g6m 2 este dan chiJc X Y han kem nhau mot nhom CH2

Cho 6,7 gam h6n hgp M tac dung vCra dii vai 1 0 0 ml dung djch NaOH

I M , thu dirge 7,5 gam h6n hgp hai muoi

C6ng thiic ca'u tao ciia X va Y la :

A C H 3 - C O O - C 2 H 5 va H - C O O - C 2 H 5

B C H 3 - C O O - C H = CH2 va H - C O O - C H = CH2

C C H 3 - C O O - C 2 H 5 v a C H 3 - C O O - C 2 H 2

D H - C O O- C H 3 va C H 3 - C O O - C H 3 Hay chgn cong thirc diing

1.81 Cho biet hang so can bang ciia phan ling este hoa :

R - C O O H + R'-OH < » R - C O O H - R ' + H2O ; Kc = 4 Ne'u cho h6n hgp ciing so mol axit va ancol tac dung vdi nhau thi khi phan urng este hoa dat tori trang thai can bang c6 bao nhieu % axit va ancol da bi este hoa ?

A. 5 0 %

B. 6 6 , 7 %

C. 7 5 %

D Khong C O gid t r i xac dinh

Trang 14

1.82 Cho 10,4 gam este X ( C 4 H 8 O 3 ) tdc dung vCra du v6i dung dich chiJa

0,1 mol NaOH thi thu duoc 8,9 ^"-^ mu6'i

C6ng thiic ca'u tao dung cua este la :

A CH3 - COO - CH2 - CH2 - O H

B H - C O O - C H 2 - C H 2 - C H O

C HO-CH2-COO-C2H3

D. CH3 - CH(OH) - COOCH3

Hay chpn c6ng thiJc dung

1.83 Uhg v6i cong thurc phan tir C3H(;02 c6 bao nhieu d6ng phan mach ho

CO the tac dung vol Na va bao nhieu d6ng phan mach ho khong tac

nhirng polime thidn nhien c6 c6ng thifc phan tiJ (CgHioO^)^ ?

A Tinh bSt va xenlulozo khi chay 6iu cho n^^o^ • " H J O = 6 : 5

B Tinh b6t va xenlulozo d6u c6 the lam thiJc an cho nguori va gia sue

C Tinh b6t va xenlulozo d6u khong tan trong nu6c

D) Thuy phan tinh bot va xenlulozo den tan cung trong moi truong axit (H2SO4 loang) deu thu duoc glucoza (C^Hj^Of,),

Hay chpn dap an dung ' • • ,, ,

2.2, C6ng thiJc t6ng quat ciia hidratcacbon la :

B ( C H 2 0 ) ^ ; D) C „ ( H 2 0 ) ^

A- CnH2nOm;

C C „ ( H 2 0 ) ^ ;

2.3. Gluxit thu dupe trong qua trinh :

A Quang hop

B Thiiy phan saccarozo

C Tuong tac ciia cacbon v6i nude

D Hoat d6ng s6'ng ciia men

Hay chpn dap dung ,( '

2.4. Tinh chat dac trutig c i a glucozo la :

1 Cha't ran ; 2 Co v i ngpt ; 3 It tan trong nudfc ; The hien tinh chat v6'n c6 : 4 Cua ancol ; 5 Cua axit ; 6 Ciia andehit ;

7 Cua este „ NhiJng tinh cha't nao neu diing ? • ' ' ^' '

27

Trang 15

2.6. C6ng thu-c hai dang mach vong ciia phan tir glucoza ( a - glucoza va

P - glucoza) khac nhau a ch6 :

, A V i

B V i t r i cua nhom andehit trong mach cacbon cua phan tir glucoza

C V| t r i tuang d6'i ciia nhom hidroxyl a nguyen ti!r C, trdn mat phang

ciia vong phan t i i

D Kha nang phan ling

2.7. Tinh chat dac trimg ciia saccaroza la :

l.Polisaccarit ; 2.Chat tinh the' mau trang ; 3.Khi thuy phan tao thanh

fructoza va glucoza ; 4.Tham gia phan ling trang bac ; 5.Phan ting v6i

d6ng (H) hidroxit Nhung tinh cha't ntu dung :

A 3, 4, 5 ; B 2, 3, 5 ;

C 1,3, 4, 5 ; D 1,4, 5

2.8. Tinh chat dac trirng cua tinh b6t la :

I Polisaccarit ; 2 Khong tan trong nude ; 3 V i ngpt

Thijy phan tao thanh : 4 Glucoza ; 5 Fructoza ; 6 Lam xanh iot ; 7

La nguyen litu di6u ch6'dextrin

2 8

Nh&ng tinh chat ndu sai : , , ,

A 2, 5, 6, 7 ; B 2, 5, 7 ; , ,„ y

C 2, 3, 4, 6 ; D 3, 5

2.9. Tinh cha't dac trung ciia xenluloza la :

1 Cha't ran ; 2 Mau trang ; 3 Tan trong cac dung m6i hiJu ca ; 4 Co ca'u true thang ; 5 K h i thiiy phan tao thanh glucoza ; 6 Tham gia phan ling este hoa vdri axit ; 7 De dang thu dugc tir dau mo

Nhffng tinh cha't neu dung :

A 1, 2, 4, 5, 6 ; B 1, 3 5 ;

C 2, 4, 6, 7 ; D Tat ca

Hay chon dap an dung .i-'-.S

2.10. Tinh b6t va xenluloza khac nhau cr ch6 :

A Ve thanh phin phan tilr

B V6 ca'u true ciia mach phan tir

C D6 tan trong nu6c i > • , i ' J

D Dae trung ciia phan iitig thiiy phan h'' " t <> ' - s i

Hay chon dap an diing ' " '

2.11. Glixerol tristearat Ik :

A M 5 d6ng vat

B Chat ran

C Chat tan t6t trong nude

D San phim hidro h6a glixerol tripanmitat

2.12. Co 4 hop cha't hOu ca : A x i t axetie, glixerol, ancol etylic va glucoza

De phan biet dugc 4 cha't nay chi cin dang mOt cha't lam thu6'c thir la :

A Quy t i m

Trang 16

A Phan tir kh6'i cua x e n l u l o z o n h o h o n ciia t i n h b 6 t

B Phan tir kh6'i ciia x e n l u l o z o idn h o n cua t i n h b 6 t

C P h a n t u kh6'i ciia x e n l u l o z o bang c u a t i n h b 6 t

D K h 6 n g x a c d i n h dugfc

H a y c h p n d a p a n d i i n g

2 17 So d d san xua't ancol etylic tCr t i n h bOt :

( - C 6 H , o 0 3 - ) n > CgHijOg > C2H5OH

Hitu sua't cua q u a t r i n h san xua't la 7 5 % T i r 1 ta'n t i n h b 6 t c 6 l l n 2 0 %

tap c h a t san xua't d u p e bao n h i e u C2H-,0H ?

A 3 4 0 , 7 4 k g C2H5OH

B 8 0 0 k g C2H5OH

C 1 0 0 0 k g C2H5OH

D 6 2 0 , 5 k g C2H5OH

2.18 T i n h kh6'i lirpng g l u c o z o c ^ n thiet d ^ \tn m e n thanh ancol e t y l i c v 6 i

h i e u sua't 9 0 % B i e t rang q u a t r i n h l e n m e n t h u dupe 11,2 l i t

Trang 17

2.20 De phan biet dung dich cac chat rieng bidt g6m : tinh b6t, glucozcr va

saccaroza ngirdi ta diing thu6'c thir:

A Dung dich iot , ,

B Dung dich HCl

C Cu(OH)2/OH~

D Dung dich AgNOj/NH,

2.21 Thiiy phan m gam tinh bot, san pham thu dirge dem 16n men d^ san

xuat ancol etylic Toan bo khi COT sinh ra cho qua dung djch Ca(0H)2

dir, thu du'oc 750 gam ket tiia Neu hieu sua't m6i qua trinh la 80% thi

m CO gia trj la :

A 949,2 gam ; B 945,0 gam ;

C 950,5 gam; D 1000,0 gam

2.22 Trong m6t nha may ancol, ngucfi ta dung nguyen lieu la mun cua chiJa

50% xenluloza d^ san xua't ancol etylic Biet hieu sua't ciia ca qua trinh

la 70%

Di san xua't 1 ta'n ancol etylic thi kh6'i lugng miin cua cAn dCing la :

A 500 kg ; B 5051 kg ;

C 6000 kg; D 5031 kg

2.23 Khi hoc bai gluxit, mdt hoc sinh da tdng ke't :

1) Tat ca cac hop chat c6 cong thiic thuc nghidm (c6ng thlic dan gian

nha't) la CH2O dfiu la gluxit ;

2) Khi khi!r hoan toan glucoza (C6H]206) thanh n-hexan, chiimg to

glucozo CO mach cacbon kh6ng phan nhanh gdm 6 nguyen tir

5) Khi d6't chay hoan toan glucoza thu dugc s6' mol CO2 bang s6' mol

(C6H,206), glixerol, C2H5OH, CH3CHO. Diing nhirng cap chat nao de nhan biet ca 6 chat ?

A Cu(0H)2 , quy tim, AgN03 trong dung dich NH3

B Quy tim, NaOH va Ag20 trong dung dich NH3

C Cu(0H)2 , AgjO trong dung dich NH3 va NaOH

D Quy tim, Ag20 trong dung dich NH3, H2SO4 dac

2.25 Phan urng nao chirng to glucoza c6 the t6n tai du6i dang mach vong ?

A Oxi hoa glucoza bang Cu(0H)2 trong m6i truomg kiim

B Oxi h6a glucoza bang dung dich AgN03 trong dung dich NH3

C Cho glucoza tac dung v6i CH,OH khi c6 mat hidro clorua khan (HCl) de thu dugc metyl glucozit

D Khir glucoza bang H2 Ni xiic tic,)

2.26 Phan irng n^o khfing th^ tao ra glucoza 1

A H-CHO dung dich Ca(OHb ^

B CO2 + H2O '^^"^attrcri.diepluc ^

C Thijy phan mantoza

D Trung hgp 3 phan tir CH3CHO

3 3

Trang 18

2.27 De phan bidt 2 dung dich KI va KCl bang h6 tinh b6t, ngucfi ta diing

them mot so chat sau day

A O3 (ozon)

B FeClj

C CI2 hoac Brj

D Khong cin diing chat nao

Hay chon dap an sai

2.28 Tinh bot va xenluloza ichac nhau 0 tinh cha't :

A Tinh tan trong nirdc

B Phan u"ng thiiy phan ra glucozo

C Phan irng v6i dung dich I2

D Phan ling chay

2.29 Co 4 goi b6t trSng CaCOg, NaCl, SiOj, xenluloza Ngu5i ta phai phan

bifit 4 chat do bang cac thu6'c thi!r

A Dung dich H2SO4 dac |

B Dung dich HCl va AgNjOj

'C Dung dich HCl va O2 (d6't chay)

D Dung dich HCl va dung djch NaOH

Hay chon dap an diing )

2.30 TCr tinh bSt hoac xenlulcyza c6 th^ di^u ch^ cao su buna theo sa 66 sau:

(CgHjoOs^ X ^ 1 Y Z ^ Cao su Buna

Hay chon chat X, Y, Zj thich hgp

B ^ CgHijOg ^ C2k50H CH2=CH-CH = CH2

C ^ C6H,206 CjJisOH C H 3 - C H 2 - C H 2 - C H 3 ^

D C^HijOg ^ r.H^OH ^ C H 3 - C H 2 - C I ^

Hay chon sa 66 dung

2 31 Xenluloza diaxetat (chat X) duac diing d^ san xua't de phim anh hoac

ta axetat Cong thirc thirc nghiem (CTDGN) ciia X la :

A C10H13O5 ; B C12H14O7 ;

Hay chon c6ng thiic diing \

2.32 Cho 36 gam glucoza tac dung hoan toan v6i dung dich AgN03 trong NH3 thi thu dugfc bao nhieu gam bac kim loai ?

A 43,2 gam ; B 21,6 gam;

C 10,8 gam ; D 5,4 gam

2.33 Cho 4,5 kg glucoza len men Hoi thu dugc bao nhieu lill ancol ei'lic

nguyen chat (d = 0,8 g.mf') va bao nhieu lit CO2 (dktci? Biet hiOu

sua't phan u:ng la 80%

A 2,3 lit ancol va 560 lit CO2

B 2,3 lit ancol ya 636 lit COj

C 2,3 lit ancol va 725 lit COj

D 2,3 lit ancol va 896 lit CO2; ^ "

2.34 Tir 100 kg gao chira 81% tinh b6t c6 the di^u che' dirge bao nhieu l\

ancol etylic nguyen chat ( d = 0,8 g.ml"') va tCr ancol nguyen cha't do san xua't duac bao nhieu lit ancol 46° ? Bie't hieu sua't dieu che la 75%

Trang 19

2.35 Cho so 66 bidn h6a :

X > Y., D u n g d j c h H C I <J"ynhai Dung dich NaOH '^dung dich xanh lam +Cu(OH)2

kei liia do gad;

2.36 Cho 360 gam glucozo len men th^nh ancol etylic (gia six chi xay ra

phan umg tao thanh ancol etylic) va cho ta't ca khi cacbonic thoat ra hap

thu vao dung dich NaOH du thi thu dugc 318 gam Na2C03 Tinh hieu

sua'l phan ling len men

A 50% ; B 62,5% ;

C 75^0 ; D 80%

Hay c/hon dap An diing

2.37 Cho/360 gam glucozo len men thanh ancol etvlic (gia sir chi xay ra

pha/n iJng tao thanh ancol etylic) Hoi thu dugrc bao nhidu ml ancol

etpic nguyen chat (d=0,8 g.mf') ? Bie't hieu su&t phan iJng la 65%

132.4 ml; B 149,5 tnl ;

y 250 ml; D 214,8 iml

2.38 / So sanh glucoza va xenluloza ta tha'y :

A Chiing d6u tham gia phan iJng trang bac

B Chung deu dl tan trong nu6c

C Chung d6u duac tao thkuh nhcf phan irng quang hap

D Chung d6\i la cac polime tir nhifen

Hay chon ddp an dung

!.39 So sanh tinh b6t va xenluloza ta tha'y :

A Chiing ddu dirac tao thanh nhd phan irng quang hap ;

B Chiing dfeu thiiy phan (xiic tac H"^) tao ra glucoza \

2.41

2.42

C Chiing d^u tham gia phan irng este h6a v6i HNO3, CH3 -COOH

D Chiing d6u kh6ng tan trong nudrc

Hay chon dap an sai

C6 4 gdi bot trang : glucoza, saccarozo, tinh b6t, xenluloza Hay chon b6 thu6'c thir d^ c6 the phan biet duoc ca 4 cha't:

A Nu6c., dung djch AgN03 trong NH3 *

B Nudrc, O2 d6't chay, dung dich AgN03 trong NH3

C Nude, dung dich AgN03 trong NH3, dung dich I2

D Nude,.dung dich HCl, dung dich AgN03 trong NH3

So sdnh tinh cha't cua glucoza, saccaroza, fructozo, xenluloza : 1) Ca 4 cha't d^u de tan trong nu6c do deu c6 nhom -OH 2) Triif xenluloza, 3 cha't con lai d6u c6 th^ tham gia phan ii'ng trang guong

3) Ca 4 chat diu c6 ihi tac dung v6i Na vi d^u c6 nhdm -OH

4) Khi d6't chay hoan toan 4 cha't tren d6u thu dugc s6' mol CO2 va hai

nu6c bang nhau , Cac so sanh sai la :

A 1, 2, 3 ; B 1, 2, 4 ;

C 2, 3, 4 ; D 1, 2, 3, 4 ; Cho axit nitric dac (c6 mat H2SO4 dac) t^c dung \6i cdc cha't sau: glixerol, xenluloza, phenol, toluen thu dugc c^c san pham c6 c6ng thiJc tuong irng la : C3H5N3O9 (1), (C6H7N30,,)n (2), C6H3N3O7 (3),

C7H5N3O5 (4) Nhung cha't thugc loai hop cha't nitro la :

A 2, 3 ; B 2, 4 ;

C 2, 4, 5 ; D 3, 4

Hay chon ddp dn diing

>6

Trang 20

2.43 Mot loai xenlulozo c6 kh6'i lirgng phan tir 1.500.000 u (dvC) Hoi thuy

phan hoan toan 1 mol xenlulozo thu dugc bao nhieu mol glucozo ?

A 8627 ; B 9259 ;

C 12.048 ; D 12.815

2.44 Cho axit nitric dac (c6 mat H2SO4 dac) tdc dung v6i xenlulozo thu

dugc njiieu este khac nhau, trong do c6 este X cMa 11,1%N, bie't khoi

lugng phan tir ciia nhom mat xich CgHjoOs la 162 C6ng thiic ciia este

nMrN - n/viiNO nxiT - PROTCIN

3-1 Khi hoc bai amin, mgt hgc sinh da tdng kd't :

1) Amin la hgp chat dugc tao thanh do nhom -NH2 lien ket vdi gg'c

hidrocabon R-

2) Amin la hgp chat dugc tao thanh do thay the mot hay nhidu nguyen

tir hidro cua phan tir NH3 bang m6t hay nhieu goc hidrocacbon

3) Tat ca cac amin ddu tan tot trong nude do tao thanh lien ket hidro voi nude

4) Tiiy theo so nguyen tir H trong phan tir NH3 dugc thay the boi goc hidrocacbon ta c6 amin bac 1, bac 2, bac 3

5) Tat ca cac amin dfeu tac dung vdri axit de tao thanh mu6'i

Nhung phat bieu dung la :

3-3 Co dung djch cac chat : NH3 , (CH3)2NH, HCl , C6H5NH3CI, FeCls S6 cap chat tac dung dugc v6i nhau la : > l-l -1 i n

39

Trang 21

A 4 cap cha't ; B 5 cap cha't ;

C 6 cap chat; D 7 cap chat

Hay chpn dap an diing

3.4 Hgp cha't amin c6 c6ng thiJc ca'u tao :

Hay chpn each goi ttn diing

3.5 Khi hoc bai amino axit, mOt hoc sinh tdng kd't :

1) Amino axit la nhirng axit cacboxylic c6 chiia nh6m churc amin a g6'c

hidrocacbon

2) Tat ca cac cha't tac dung vdi dung dich HCl va dung dich NaOH deu

la hop cha't luong tinh

3) Trong dung dich, amino axit t6n tai dudi dang ion lirong circ

4) Tinh axit ciia glyxin (NHj-CH2-COOH) manh hon ciia axit

axetic

5) Cac amino axit la nhOng tinh th^ khSng mau, c6 vi hoi ngot va de

tan trong niidrc

Nhifng phat bi^u dung la :

A 1,2, 3, 5; B 1,3, 4, 5;

C.2, 4,6; D 1,2, 4, 5

3.6. Co cac chat : HCl, Na2C03, Cu, NaCl, NaOH, C2H5OH, BaS04

Glyxin (H2N - CH3 - COOH) c6 th^ phan ling v6i :

A HCl, NajCO^, NaOH, CsH-^OH

B HCl, Cu, NaOH, C2H5OH

C. HCl, Na2C03, NaCl, C2H5OH

D HCl, NaOH, C2H5OH

3.7. Co 4 cha't cung c6ng thiic C3H7O2N. Cha't c6 ti'nh cha't IirSng tinh va tac dung dupe v6i H2 la :

A H 2 N - C H 2 - C H 2 - C O O H

B CH3-CH(NH2)-COOH

C C H 3 - C H 2 - C H 2 - N O 2

D CH2 =CH-COONH4

Hay chpn c6ng thiic diing

3.8 Co 4 dung dich khOng mau : glucozcf, glixerol, h6 tinh b6t va long

trdng triing De phan biet 4 dung dich trdn diing cac thuo'c thii:

A. HNO3 dac nong, t"

B lot (I2)

C AgN03 trong dung dich NH3

D Cu(0H)2 trong dung dich NaOH, t"

3.9 Co 5 dung dich khong mau :

H-COOH (axit fomic) ; H 2 N - C H 3 - COOH(glyxin), Nal ; HOOC - CH2 - CH2 - CH(NH2) - COOH (axit glutamic) ;

H 2 N - ( C H 2 )4-CH(NH2)-COOH (lysin)

e r x

Cap thu6c thir t6't nha't de nhan bie't 5 cha't la :

A HCl va AgN03 trong dung dich NH3

41

Trang 22

B Dung dich HCl va B a C l 2

C Quy ti'm va CUSO4

D Quy tim va AgN03 trong dung dich NH3

3.10 Khi dot chay 0,1 mol chat X, thu duoc 1,12 lit N2, 6,72 lit CO2 (dktc)

va 6,3 gam H 2 O

C6ng thu-c phan tir cua X la :

A C 3 H 5 O 2 N ; B C 3 H 7 O 2 N ;

C C3H7O2N2 ; D C 4 H 9 O 2 N ;

Hay chon cong thiJc diing

3.11 Hap chat X CO c6ng thiic phan tir C4H]o02NCl Dun nong X v6i dung

dich NaOH du, thu duoc san pham la NaCl, H 2 N - C H 3 -COONa va

ancol etylic C6ng thiJc ca'u tao ciia X la :

A C H 3 - C H 2 - COO - C H 2 - N H 3 C I

B C H 3 - C H 2 - OOC - C H 2 - N H 3 C I

C C H 3 - COO - C H 2 - C H 2 - N H 3 C I

D C H 3 - C H ( N H 2 ) - C O O - C H 2 - C l

3.12 Tien hanh triing ngung h6n hop glyxin va alanin S6 loai dipeptit t6'i da

CO the thu duac la :

A 2 loai dipeptit ; B 3 loai dipeptit ;

C 4 loai dipeptit ; D 5 loai dipeptit

3.13 Hap chat X gom cac nguyen to C, H, O, N v6i ti le khoi luang tirong

ling la 24 : 5 : 16 : 14 Biet phan tir X c6 2 nguydn tii nita Cong thirc

phan tir ciia X la :

42

3.14

A C H 3 O N 2 : B C3HSON2 ;

C C 3 H 8 O 2 N 2 ; D C 6 H , o 0 2 N 2

Hay chpn c6ng thiic diing

X la mot amin dan chiirc bac nha't chlia 23,73 % nita

C6ng thiic phan tii ciia X la :

A FeCl3, H2S04loang, C H 3 C O O H , quy tim

B Na2C03, FeCl3 , H2SO4 loang, CgHgONa

C FeCl3 , quy tim

D Na2C03, H2SO4 loang, quy tim >

3.16 Cho 0,1 mol chat X (CjHgOjNj, M = 108) tac dung v6i dung dich

chiia 0,2 mol NaOH dun nong, thu dupe chat khi lam xanh gia'y quy tim tam u6t va dung dich Y C6 can dung dich Y thu dupe m gam chat ran khan

C6ng thurc phan tir trung v6i c6ng thiic dan gian nha't

C6ng thiic phan tir ciia amino axit la : ^, ,^ ^

A C 3 H 7 O 2 N ; B C 4 H 7 O 2 N ;

43

Trang 23

C. C 4 H 9 O 2 N ; D C-iHijOjN,

Hay chon c6ng thtrc dung

3.18 Cho c6ng thiic phan tir cua cac amino axit la :

A C 4 H 9 N O 2 ; B C5H9O2N ;

C C<iH,|02N2 ; D. C 4 H 8 O 2 N

Hay chon c6ng thiic vie't sai

3.19 Lisin C O c6ng thiirc ca'u tao : N H 2 - ( ^ 2 ) 4 - C H ( N H 2 ) - C O O H

Nho in6t giot quy ti'm vao dung dich lisin trong nir6c, quy li'm c6 mau :

A Mau do

B Mau xanh

C Mau tim

D KhGng xac dinh duoc, tuy ndng d6

3.20 Khi d6't chay hoan toan m6t amin dan chiJc X, thu duac 8,4 lit khi

CO2, 1,4 lit khi N2 (cac the tich khi do a dktc) va 10,125 gam H2O

Cong thiic phan tir cua X la :

A C3H7N ; B C2H7N ;

C C 3 H 9 N ; D C4H9N

Hay chon ddp an dung

3.21 So sanh tinh chat ciia axit axetic va axit amino axetic (glyxin) ta tha'y :

1) Ca hai axit d^u tan t6't trong nu6c

2) Nhiet d6 nong chay ciia axit axetic cao hon glyxin do c6 lien ke't

hidro rat ben giOa hai phan tir axit axetic

3) Tinh axit cua nhom -COOH trong glyxin manh han trong axit axetic

do nhom -NH2 la nhom hiit electron

4) Ca hai axit deu c6 the tham gia phan iJng trung hap va triing ngung

44

5) Ca hai axit diu tham gia phan ling este h6a, vf du v6i ancol etylic

NhOngphat bieu sai la :

A 1,2; B 2 , 4 ;

C 1, 2, 4 ; D 2, 3, 4

3.22 Amino axit X chura 1 nhom -COOH va 2 nh6m -NH2 Cho 1 mol X tac

dung het v6i dung dich NaOH, thu duac 154 gam mu6'i

C6ng thu-c phan tu ciia X la :

A.C4H,oN202; B.C5H,2N202;

Hay chon cong thirc diing

3.23 Amino axit Y chiia 1 nhom -COOH va 2 nhom -NH2 Cho 1 mol X t^c

dung het vdi dung dich HCl va c6 can, thu duac 205 gam muoi khan

C6ng thiirc phan tir ciia Y la :

A C 5 H , 2 N 2 0 2 ; B C 4 H , o N 2 0 2 ;

C C 6 H , 4 N 2 0 2 ; D C 5 H , o N 2 0 2

Hay chon cong thufc diing

3.24 Amino axit X chura a nhom -COOH va b nh6m -NH2 Cho 1 mol X tac

dung het vdri dung dich HCl, thu duac 169,5 gam mu6i Cho 1 mol X tac dung vcri dung dich NaOH, thu duac 177 gam mu6'i

C6ng thiirc phan tir ciia X la : •

A C 3 H 7 N O 4 ; B C 4 H 7 N O 4 ; ^

C C4H6N2O2 ; D C5H7NO2

3-25 So d6 phan iimg nao du6i day didu che duac anilin tir nitrobenzen ?

+5 -3

Trang 24

B C6H5NO2 + ne -> C6H5NH2

C C6H5NO2 + 6H Q H g N H j

D. C6H5NO2 — ^ C6H5NH2

3.26 Hgp chat X la mdt amino axit chiia 1 nhom - N H 2 va mOt nhom

- C O O H Cho 0,89 gam X phan iJng vtra du vdi axit HCl, tao ra

1,255 gam muO'i COng thiic ca'u tao ciia X c6 the la :

Hay chpn cOng thiJc dung

3.27 Khi khir hpp chat nitro tao thanh :

A Amino a x i t ; B Amin ;

C Amit ; D Amiacat

3.28 Nhom amin trong phan tir anilin c6 anh hirong den vong benzen, the'

hien :

A Lam thSm mau

B Lam tang kha nang phan ling ciia nhan benzen

C Lam giam kha nang phan ling cua nhan benzen

D Lam nhat mau

3 29 Tinh chat baza ciia anilin so vdi amoniac : '

A Yeu hon

B Manh hon

C Nhir nhau

D Khong so sanh dupe

3 30 Tinh chat bazo ciia amin gay ra boi phan tir cua no c6 chu'a :

A Goc hidrocacbon

B Nguyen tir nito con cap electron tir do

C Nhom amin

D Goc amino

3.31 Nhom cacboxyl ( - C O O H ) va nhom amin ( - N H 2 ) trong protein lien

ket vd'i nhau bang :

A Lien ke't ion

B Lien ket hidro

C Lien ke't peptit

D Lien ket amin

3-32 Dung dich A g6m HCl va H2SO4 c6 pH = 2 De trung hoa hoan loan

0,59 gam hOn hpp 2 amin no, don chu-c, bac 1 (c6 s6' C khOng qua 4) phai dung mOt lit dung dich A COng thii-c phan tir ciia 2 amin la :

Trang 25

3.33 Khi d6't chay hoan loan 25 gam hop chat hCru ca chira nito, thu duot

4,74 lit khi (dktc) khong bi ha'p thu boi dung djch kifim Chat nay Cf)

the la m6t amin don gian kh6ng ?

A Co the

B Khong the

C La amin bac cao

D Kha nang nay rat it

3.34 Tinh baza ciia metyl amin manh hon anilin vi :

A Khoi luang mol ciia metyl amin nho hon

B Nhom metyl lam tang mat dp electron ciia nguyen lir N

C Nhom phenyl lam giam mat d6 electron ciia nguyen tir N

D B va C d6u dung

3.35 Tinh chat dac trung ciia amin bac tha'p va amoniac la :

1 Chat k h i ; 2 Co miJi khai ; 3 Tan t6't trong nu6c ; 4 Dung djch c6

tinh axit ; 5 Phan u-ng duoc vdri axit ; 6 Chay tao ra nito oxit ; 7 Muoi

ciia amin la chat di6n l i Nhirng tinh chat neu sai la :

A 1,2, 7 ; B 2, 4, 6, 7 ;

C 7 ; D 4, 6

3.36 D6't chay hoan toan m6t amin thom bac nha't A, thu duoc 1,568 l i t khi

CO2, 1.232 l i t hoi nude va 0,336 lit nito

Di trung hoa he't 0,05 mol A cin 200 ml dung djch HCl 0,75 M Bie'i

cac th^ tich khi do a dktc C6ng thiJc phan tir ciia amin A la :

A. C 6 H 5 - N H 2 ; B (C6H5)2-NH ;

C C6H4-(NH2)2 ; D C7H,,N3

Hay chon cong thiJc diing

Khi dfl't chay m6t d6ng dang ciia metyl amin, ngucri ta tha'y ti le

Vrfi : (>-sinh ra bang 2 : 3 (the tich khi, hoi do 6 ciing dieu kieii) C6ng thu-c phan tir ciia amin la :

A C3H9N ; B CH5N ;

C C2H7N ; D C 4 H , i N

Hay chon cong thiic dung

3 38 Hoc sinh thu" nha't n6i : Anilin la dan xuSit ciia benzen, trong do nguyen

tij- hidro dupe thay the' boi nhom amin

Hoc sinh thir hai noi : Anilin la dan xua't ciia amoniac, trong do nguyen

tir hidro dupe thay the' boi g6'c phenyl

Hpc sinh nao n6i ddng ?

A Hpc sinh thu-nha't diing, thii hai sai

B Hpc sinh thu" hai ddng, thir nha't sai

C Ca hai d6u dung

D Ca hai deu sai

Hay chpn dap s6' dung

3.39 Co cac hop cha't hiru co : Phenyl metyl ete, toluen anilin, phenol

Nhirng chat c6 the lam mat mau dung dich brom la :

A Toluen, anilin, phenol

B Phenyl metyl ete, toluen, anilin, phenol

C Phenyl metyl ete, anilin, phenol

D Phenyl metyl ete, toluen, phenol

"^•40 Cac chat ghi a c6t ben phai thu6c loai hop chat hiru co nao a c6t ben

trai ?

1 Ancol A Anilin -,

2 Phenol B Propanal

Trang 26

3 Andehit C Etilen glicol

4 Xeton D Crezon

5 Amin E Naphtalen

6 Aren G Axeton

3.41 Tinh chat dac trimg ciia aminoaxit la :

1 Chat long ; 2 Kh6ng mau ; 3 Tan tfi't trong nir6c ; 4. Th^ hidn tinh

luong tinh

Tham gia phan ting vdri : 5 Axit ; 6 Kiem ; 7 Ancol ; 8 Lam chuyg'n

f,.;,, mau quy tim thanh do

Nhifng tinh chat neu sai la :

C 1,8; D 1,2, 3

3.42 S6' d6ng phan ciia axit amino butanoic C3H6(NH2)COOH bang :

A 4 ddng phan ; B 6 d6ng phan ;

C 7 ddng phan ; D 5 ddng phan

3.43 Co bao nhifiu ddng phan amin ling vdi cdng thurc phan t i r : C3H9N ?

, A 2 ddng phan ; B 3 ddng phan ;

C 4 ddng phan ; D 5 ddng phan

3.44 Cho X la mdt amino axit Khi cho 0,01 mol X tac dung vdri HCl thl

dung het 80 ml dung dich HCl 0,125 M va thu dirge 1,835 gam mud;

khan Con khi cho 0,01 mol X tdc dung vdi dung dich NaOH thi cin

dung 25 gam dung dich NaOH 3,2%

Cdng thiie ca'u tao phan tir ciia X :

"•-COOH

C. H2N-C3H5-(COOH)2 ;

D. (H2N)2-C3H5-COOH

Hay chon d^p dn diing

3 45 Khi dd't chay hoan to^n mdt amin don chiJc, khdng no cd mdt lien ket

ddi a mach cacbon, thu dugc CO2 va H2O theo ti le mol

" H s O - " € 0 2 = 9 : 8

Cdng thurc phan tir c i a amin 1^ :

Hay chon dap ^n dung

3.46 Cho 20 gam hdn hgp gdm 3 amin don chilc, no, ddng dang lien tie'p tac

dung vira dii v6i dung dich HCl I M Cd can dung djch thu dirge 31,68 gam hdn hgp mud'i Th^ tich ciia dung dich HCl da dung la :

A 100 m l ; B 16 m l ;

C 32 ml ; D 320 ml

Hay chon dap sd diing

^•47 Dd't chay hoan toan 6,2 gam mdt amin no dan chirc thi phai diing dung

10,08 lit oxi (dktc) Cdng thiic phan tir ciia amin no la :

A. C 2 H 5 - N H 2 ; B C H 3 - N H 2 ;

C. C 3 H 7 - N H 2 ; D C 4 H 9 - N H 2

Hay chon cdng thiie diing

2-48 Khi dun ndng dung dich protein trong dung dich axit va kiem xay ra :

1 Sir bie'n tinh ; 2 Sir thuy phan ; 3 Su hoa tan ; 4 Sir ddng tu protein,

t nao diing va ke't qua tao thanh la : !i( i H£->'

A Cae ca'u triic nguyen thiiy ciia protein , ,

51

Trang 27

B Destrin

C a - aminoaxit

D Cacbon dioxit, ure va nirdfc

3.49 Hi6n nay, ngircfi ta khang dinh khoi thuO'c la lam tang kha nSng bi ung

thu ph6i Hoat chat trong thuoc la nicotin, mot loai ankaloid dOc c6 the

dugc ha'p thu vao co thi do an, uO'ng, ngiii va ke ca qua cdc vfe't tr^y

ngoai da

K h i xac djnh phan tir khO'i ciia nicotin cho gia trj khoang 160 Phan

tich nguyen tO' dinh lugng cho cac phan tram khoi lugng sau : 74,03 %

cacbon ; 8,699 % hidro ; 17,27 % nito

Diing cac s6' lieu tren d^ xac dinh cong thiJc phan tir n^o dir6i day la

dung cho nicotin ?

A C9H10ON2 ; B C5H7N ;

C C,oHi5N2 ; D C,oH,4N2

Hay chgn cOng thiic dung

3.50 Phat bieu nao sau day la ddng ?

A A m i n la hgp chat ma trong thanh phan phan til co nito

B Amin la hgp cha't-c6 mOt hay nhi^u nhom NH2 trong thanh phan tir

C A m i n la hgp cha't hiru co dugc tao thanh khi thay the' cdc nguyfin tir

H trong phan tur NH3 bang cac gO'c hidrocacbon

Hay chgn dap in diing

3.52 Co cac chat sau :

3-55 Cap ancol va amin nao sau day Cling bac ?

A (CH3)2CHOH va (CH3)2CHNH2

B (CH3)3COH va (CH3)3CNH2 '

C C6H5NHCH3 va C6H5CH(OH)CH3

D (C6H5)2NH va C6H5CH2OH ^'^ '

Trang 28

3.56 Khi hoc b^i amin, m6t hoc sinh da t6ng ke't :

1) Cdc amin d^u c6 tinh bazo

2) Ti'nh bazo ciia tat ca cdc amin diu manh hon NH3

3) Anilin c6 tinh bazo ya'u hon NH3

4) Tat ca cic amin don chiJc d^u chiJa m6t s6 16 nguydn tir H trong

Hay chon thi} tir diing

3.58. S6 ddng phan ca'u tao ciia amino axit H2N -C3H5 -(C00H)2 1^ :

A 6 D6ng phan ; B 7 Dong phan ;

C 8 D6ng phan ; D 9 Ddng phan

Hay chon dap ^n diing

3.59 D6't chay ho^n toan h6n hgfp hai amin bac m6t, mach ho, no, don chirc

ke tie'p nhau trong day ddng ding, Thu dirgfc khi COj va hoi H2O

Hay chon c6ng thdrc diing

Ddt chay hoan toan m gam amin X bang lugng khSng khi vCra dii, thu

duoc 17,6 gam COj, 12,6 gam H2O v^ 69,44 lit N2 (dktc) Gia thiet khSng khi chi gdm N2 va O2, trong dd oxi chiem 20% th^ tich

C6ng thiic phan tu ciia X la : c

Hay chon cdng thurc diing

H6n hop hai amin no, don chirc la ddng dang ke tiep nhau Cho 20 gam

X tac dung vdi dung dich HCi v&a dii C6 can dung dich sau phan ling, thu dugc 31,68 gam hdn hop mudi

C6ng thiic phan tir ciia hai amin iSn lucft la :

A CH3NH2 va C2H5NH2

B C2H5NH2 va C3H7NH2

C C3H7NH2 va C4H9NH2

D. C4H9NH2 va C5H,,NH2

3.62 Ddt chay m6t amin no, don chirc X, thu dugc CO2 va H2O cd ti le sd

mol la : nco^ : "HzO = 2: 3 Ten goi cua X la :

A Etylamin

B Etylmetylamin

C Trietylamin

D Ke't qua khac

Hay chon tfen ggi diing

1; i B r i

55

Trang 29

3.63 D6't ch^y he't a mol mCt amino axit, thu diroc 2a mol COj va a/2 moj

N2 C6ng thirc cau tao ciia amino axit la :

3.64 Hop chat hiru ca X mach ha (cMa C, H, N), trong do nito chiem

23,73% vd khdi krgng Biet X tac dung vol HCl theo ti le m o l

" X • " H C l =

1:1-C6ng thiic phan tu cOa X la :

A C2H7N ; B C3H7N ;

C C 3 H 9 N ; D C 4 H , , N

3.65 Hop chat huu ca X c6 mach cacbon kh6ng phan nhanh, bac nha't (chira

C, H, N), trong do nita chie'm 23,73% vi kh6'i lirgng Biet X tac dung

vdii HCl theo ti le mol n^ : n^ci = 1:1

C6ng thu-c ca'u tao ciia X la :

A CH3 - N H 2 ; B CH3 - CH2 - NH - CH3 ;

C CH3 - CH(CH3) - NH2 ; D CH3 - CH2 - CH2 - N H 2

Hay chon c6ng thirc dung

3.66 Co hai amin bac nha't : A la d6ng dang ciia anilin va B la d6ng dang

ciia metylamin D6t chay hoan toan 3,21 gam A, thu dugc 336 ml N2

(dktc) va dot chay hoan toan B cho h6n hop khi, trong do ti le the tich

Hay chon cong thurc diing > /

3 67 D6't chay hoan toan m gam amino axit X (X chiJa m6t nh6m - N H 2 va

m6t nhom -COOH), thu dugc 0,3 mol CO2, 0,25 mol HjO va 1,12 lit N2 (dktc) C6ng thurc cua X 1^

A H 2 N - C 2 H 4 - C O O H

B H 2 N - C H 2 - C O O I I

C H 2 N - C 2 H 2 - C O O H

D H 2 N - C = C - C 0 0 H Hay chon c6ng thiJc dung

3,68 A la mat a - amino axit no, c6 mach cacbon khdng phan nhanh, chiJa m6t nhom - N H 2 va hai nhom -COOH Khi dot chay hoan toan 1 mol

A, thu dugc h6n hgp khi, trong do 4,5 mol < n^Oj < 6 mol.^^^.^

C6ng thurc ca'u tao ciia A la :

A H 2 N - CH(COOH) - CH(COOH) - CHj - CH3 ^ j g

B H2N - CH(COOH) - CH2 - CH2 - COOH ^ifj :)

C HOOC - CH(NH2) - CH2 - COOH - ) ci

D H O O C- C H 2 - C H ( N H 2 ) - C H 2 - C O O H Hay chon c6ng thu-c dung < •

3-69. M6t amino axit A c6 3 nguyen tir cacbon trong phan tii Bie't 1 mol A phan irng vCra dii vdti 2 mol NaOH nhung chi vira dii v6i 1 mol HCl

C6ng thurc ca'u tao cita A la :

A H O O C - C H( N H 2 ) - C H 2 - C O O H '

B H 2 N - C H 2 - C H 2 - C O O H

57

Trang 30

C HOOC-CH(NH2)-COOH

D CH3-CH(NH2)-COOH

Hay chon c6ng thtrc diing

3.70 Cho 100 ml dung djch amino axit A 0,2 M t^c diing vilra dii v6i 80 ml

dung dich NaOH 0,25 M Mat khac 100 ml dung dich A tdc dung vira

dii v<3i 80 ml dung dich HCl 0,5 M Bie't ti khO'i ciia A so v6i H2 bang

52. C6ng thiic ca'u tao ciia A la :

A ( H 2 N ) 2 - C 2 H 3 - C O O H

B H2N-C2H3-(COOH)2

C ( H 2 N ) 2 - C 2 H 2 - C O O H

D H 2 N - C 3 H 5 - ( C O O H ) 2

Hay chpn c6ng thiJc diing

3.71 A la mdt a - amino axit no, chi chiia m6t nhom -NH2 va mSt nhom

- C O O H Cho 8,9 gam A tac dung v6i dung dich H C l du, thu dugc

Hay chon c6ng thufc dung

3.72 Cho 9,85 gam h6n hgp hai amin no, don chiic, bac nha't ddng dang ke

tie'p tac dung v6i dung dich HCl, thu dugc 18,975 gam mu6'i

C6ng thiJc ca'u tao ciia hai amin Mn lirgt la :

A CH3 - CH2 - NH2 va CH3 - (CH2 )2 - NH2

B C H 3 - ( C H 2 ) 2 - N H 2 va C H 3 - ( C H 2 ) 3 - N H 2

C C H 3 - ( C H 2 ) 3 - N H 2 va C H 3 - ( C H 2 ) 4 - N H j

D C H 3 - N H 2 va C H 3 - C H 2 - N H 2

Hay chon c6ng thurc dung

3 73. D6't chiy hoan toan m6t amin X no dan chiJc, bac II mach ha, thu dugc CO2, va hai H2O theo ti le s6' mol tirong umg la 2 : 3

C6ng thiJc ca'u tao ciia X la :

A C H 3 - N H - C H 3

B C H 3 - N H - C 2 H 5

C C H 3 - N H - C 3 H 7

D C 2 H 5 - N H - C 2 H V

Hay chon c6ng thu:c diing

3.74 Cho cac phan ling :

H 2 N - C H 2 - C O O H + HCl -> C I H 3 N - C H 2 - C O O H (1)

H2N - CH2 - COOH + NaOH -» HjN - CH2 - COONa + HjO (2) Hai phan ling trfin churng to axit aminoaxetic : • ^, ,

A Chi CO tinh axit ^

B Chi c6 tinh baza r j

C C6 tinh oxi hoa va tinh khir ,

D C6 tinh chat luang tinh

Trang 31

Chuaing 4

pOLiA/ic vfi vnr u€u POu/vi€

4.1 Khi hoc bai polime, mfit hoc sinh da t6ng kd't :

1) Polime la nhiJng hgp chat c6 khd'i lirgng ra't 16n

2) Xenlulozo va tinh b6t la nhiJng polime thien nhifin

3) Polime la nhffng hgp chat c6 khd'i lugng phan tir rat 16n, do nhigu

don vi nho (ggi la mat xich) lien ke't vdri nhau tao ndn

4) Polime la chai ran, khong tan trong nuoc, khong c6 nhiet do nonj^

chay xac dinh, khong bay hoi

5) Polime chi dirge difeu che bang phan ling trCing hgp

6) Co hai loai polime : Polime thien nhifen va polime tdng hgp

Nhirng phat bieu diing la :

A 1,3, 4,6; B 2, 3, 4, 6;

C 2, 3, 4, 5 ; D 1, 3, 5, 6

4.2 Hay chgn cau sai :

A O di6u kien thich hgp, tat ca cac hgp cha't dan chirc cung c6 th^

trung hgp thanh polime

B H6 s6 polime hoa hay d6 polime hoa n cang lorn, phan tir khd'i cua

polime cang cao

C Nhieu polime dirge di^u ch6' nh6 phan urng trung hgp, d6ng triint

hgp va trung ngirng

D Trong cac phan ling hoa hoc, c6 nhi^u polime vSn giir nguydn mach

cacbon, nhung cung co cac polime bi thay doi mach cacbon

4.3 Hay ghep c6ng thirc ghi o c6t bfen trai vdi t6n polime ghi a c6t bfen phai

cho phii hgp :

Ten polime ' '

a) Policaproamit (nilon - 6) b) Xenlulozo

c) PVC d) Poll (vinyl ancol) e) P.E

Trang 32

Hay chgn cong thurc dung

4.7 PolUvinyi ancol) la polime dugc dieu che nhd phan ting trung hgp cua

monome nao sau dSy ?

A CH2 =CH-COOCH3

B CH2 = C H - 0 C 0 - C H 3

C CH2 =CH-COOC2H5

D A, B, C dtu sai

4.8. La'y 1,68.10"^ m'^ axetilen (dktc) didu che'thanh C2H4, sau 66 trilng hop

thanh PE Bie't hieu sua't m6i giai doan la 60%

Khd'i lirgng PE thu dugc la bao nhieu ?

C 825 kg ; D 756 kg,

4.9 La'y 1,68.10^ m^ axetilen (dktc) tic dung v6i HCl (t°, xt) d^ di^u che

vinyl clorua, sau do trung hgp thanh PVC Bie't hieu sua't m6i giai doan

la 75%

Kh6i lugng PVC thu dugc la :

A 1338,523 kg ; B 2636,718 kg ;

C 1566,482 kg ; D 2010,324 kg

4 10 D6't chay hoan toan 0,1 mol hidrocacbon X, thu dugc 11,2 lit COT

(dktc) va 7,2 gam H2O X c6 th^ dieu che tiJr isopentan va c6 the triing hgp thanh cao su COng thiJc ca'u tao cila X la :

A CH3-CH(CH3)-C = CH

B CH2 =C(CH3)-CH-CH2

C CH3-C(CH3) = C = CH2

D CH2=CH-CH = CH2-CH3

Hay chgn c6ng thiic diing

4.11 Cao su buna - S dugc dieu che nha loai phan ling :

A Trilng hgp

B C6ng hgp

C Triing ngung

D Ddng triing hgp ; Hay chgn dap an diing

4.12 Cao su buna c6 th^ di6u che' tir cdc nguyen lieu tu nhien theo cAc sa d6

sau :

1. C H 4 - > C2H2 C4H4 -> C4H5 -> cao su buna

2 C H 4 ^ C 2 H 2 ^ CH3 -CHO ^ C2H5OH ^ C 4 H 6 -> cao su buna

3. CaC2-^ C 2 H 2 - » C4H4 C4H6 -> cao su buna

4 (CgHioOs)^^ C 6 H , 2 0 6 ^ C2H5OH C4H6 ^ c a o su.buna

5 D5u mo "'"'^"'^ ) C 4 H 1 0 + C 4 H 8 C 4 H 6 -» cao su buna Nhirng so d6 nao diing ?

C 2, 3, 4 ; D Ca 5 so d6

-Of -f

^•''3- C6 cdc hgp chat hUu eg : -:n.'^ ,.:.„ -.J.- nor

63

Trang 33

G l y x i n (1), etylen g l i c o l ( 2 ) , axit acrylic ( C H j = C H - C O O H ) (3),

phenol (4), etanal (5), axit terephtalic ( H O O C- C 4 H 6 - C O O H ) (6),

fomandehit ( 7 ) , etanol ( 8 )

NhiJng chat c6 the tham gia phan ling triing hop hoac trung ngung dc

tao thanh polime la :

A 1, 3, 6, 7

B 1, 2, 3, 6, 8

C 1,2, 3 , 4 , 5 , 6 , 7

D 1,2, 3 5, 7

4.14 Trong so cac polime du6i day, polime nao kh6ng phai la polime t6ng

4.15 Trong s6 cac polime dudi day, polime nao dieu che khOng phai bane

phan irng trung hop ?

C T r u n g hop ; D D 6 n g triing hap ;

4 17 Polime c6 cS'u tao mang khdng gian Ik :

A Thijy tinh hiru co plexiglas. ; s

B T o n i t r o n

C Cao su l u u h6a

D- Cao su isopren

4.18 Tie'n hanh triing hop 20,8 gam stiren H6n hgp thu dugc sau phan umg

tac dung vira dii v6'\0 ml dung dich Br2 0,2M

Hieu suat phan i/ng triing hop la :

A 25% ; B 5 0 % ;

C 6 0 % ; D 7 5%

Hay chon dap s6' diing

4.19 K h i triing hgp etilen o dieu k i e n ap suS't cao, thu dugc l o a i p o l i e t i l c n

(PE) c6 phan tir kh6'i trung binh la 100.000 u ( d v C )

He s6' polime h6a (hay he s6' trung hgp) la :

A n = 2 1 4 2 ; B n = 3 9 1 5 ;

C n = 3 6 0 9 ; D n = 3 5 7 1

'^•20 Phan tir khd'i ciia m6t loai P V C la 400.000 u S6' nguyen tijr clo c6 trong

1 phan tir P V C la :

A 5000 nguyen t i r ; B 3550 nguyen t i r ;

C 6400 nguyen t u ; D 4500 nguyen tir

Trang 34

A 1 ; B 2 ;

C 4 ; D 3

4.22. Phan tir polivinyl clorua c6 phan tir kh6'i la 187,5.10^

He s6' trung hgp n bang :

A n = 2000 ; B n = 1000 ;

C n =3000 ; ' D n = 4000 '

4.23. Dira vac nguon g6'c soi dung trong c6ng nghifep ddt diroc chia

A Soi hoa hoc va sgi tdng hgp

B Sgi hoa hgc va sgi thien nhifen

C Sgi tdng hgp va sgi thien nhifin

D Sgi nhan tao va sgi hda hgc

Hay chgn dap an dung

4.24 Giifa cao su isopren va cao su buna khac nhau d ch6 :

A Ca'u true lap th^

B Thanh phan monome j

C CCng thirc ca'u tao ciia c^c mat xich

D Chi la ten ggi thuong mai

' Hay chgn dap an diing

r OR S6 mat xich ca'u triic lap lai trong phan tir Idn ciia polime dugc ggi la :

A Sd chinh cua polime >

B He sd polime hoa

C Ye'u t d polime

D Kha nang polime hoa

4 27. E)ieu kien de mot chat hiru co tham gia phan ling triing hgp la :

A Hidrocacbon kh6ng no

^^,^1^ B Co lien ket kep trong phan t i i

C Hidrocacbon khong no, mach ho

D Hidrocacbon

4.28. Pilisioxan la mOt loai gdm hCfu co dung de' tram rang do cac nha hoa hgc phat minh de thay the nhifng loai cd chua thiiy ngan va ngay ca nhira deo Can tram rang v i Idp men rang tir nhien bgc rang bj pha hiiy dan den sau rang Men rang la hidroxiapatit, C a 5 ( P 0 4 ) 3 0 H Cach tot nha't de' chdng sSu rang la dung thiic an cd it dudng va lu6n cha rang ngay sau k h i an Kem danh rang thudng cd cha't florua giiip giam sau rang M d i F~ trong kem danh rang se thay the' m6t O H " trong men rang lam tang kha nang bao ve rang Gia thie't rang kem danh rang

chiia 0,0150 % natri florua theo khdi lugng, t h i cAn bao nhieu kem

danh rang de cd the thay the het cac nhdm hidroxit trong 5 gam men rang ?

A 2,79 k g ; ^ B 1,26 k g ; 3

C 4,3 gam ; \ 2,79 gam • ^•

Hay chgn dap an dung »

^•29. Sir ket hgp cac phan tir nhd (monome) thanh phan tir Idn (polime) ddng thcfi loai ra cac phan tir nhd (nhu nirdc, amoniac, hidro clorua ) dugc goi la :

67

Trang 35

A Sir peptit h6a ; B Su polime h6a ;

C Su tdng hop ; D Su trilng ngirng

4.30. Thanh ph^n % theo khC'i luong ciia nito trong m6t este ciia m6t

aminoaxit bang 15,73% Este 66 Ik :

A Este etyl aminoaxit

B Este etyl aminopropionat

C Este metyl aminoaxetat

D Este metyl amipiopionat

4.31. C6 hai manh lua, m6t manh dfet bang to t^m m^t manh det bang soi

bOng Cdch nao sau day phan biet chiing don gian nha't :

A Ddng quy t i m

B Dung ki6m

C Dfl't m6t m^u nho

D Diing axit

Hay chon dap an diing ,

4.32. K h i d6t chiy polime X chi thu duoc k h i C O 2 va hoi H 2 O v6i i i le so

mol tirong irng 1 : 1 X la polime :

A Polipropilen (PP) j

B Tinh b6t '

C Poll (vinyl clorua) /

D Polistiren

Hay chon d i p an dung

4.33. DO't ch^y hoan to^n m6t luong polietilen, san ph^m chdy \in luot cho

qua binh (1) dung H2SO4 dac, binh (2) dung dung dich Ca(0H)2

tha'y khCi'i luong bimh (1) tang m gam, binh (2) thu duoc 100 gam ke'i

tiia G i a tri ciia m la : ^

A 9 gam ;

C 36 gam ; Hay chon dap s6' diing

B 18 gam ;

D 45 gam

D6't chay hoan toan 1 l i t hidrocacbon X cin 6 l i t O2 va tao ra 4 l i t C O 2

(cac t h ^ tich do 6 cung di^u kien nhidt d6, ap sua't) Dem trung hcfp ta't

ca cac d6ng phan mach ho ciia X thi s6' loai polime thu duoc la :

B 4 loai polime ;

D 5 loai polime ;

A 2 loai polime ;

C 3 loai polime ; Hay chon dap an diing

4.35 M6t loai polime c 6 cS'u tao khOng phan nhanh nhu sau :

Hidrocacbon X c6 cOng thiic phan tiJr C 5 H 8 , k h i hidro hoa X thu duoc

isopentan, khi triing hop X thu dugrc m6t loai cao su th6ng dung C6ng thiic ca'u tao ciia X la :

A H 2 C = C ( C H 3 ) - C H = C H 2

B C H 3 - C ( C H 3 ) = C = C H 2

C C H 3 - C H ( C H 3 ) - C ^ C H

D C H 3 - C H 2 - C H 2 - C ^ C H

Hay chon c6ng thiJc diing , '

^•37. Cho so d6 bie'n ddi :

m

4.36

Trang 36

Hap chat A la :

A C H 2 = C H 2 ; B C H 2 = C H - C H 3 ;

C C H ^ C H ; D C H ^ C - C H g ;

Hay chon c6ng thirc dung

4.38 Hai chat nao dudri day tham gia phan ling trung ngung v6i nhau

thanh nilon - 6,6 ?

A Axit adipic va etylen glicol

B Axit picric va hexametylen diamin

C Axit adipic va hexametylen diamin

D Axit glutamic va hexametylen diamin

Chirang 5

Dfll CirONG V€ KIM LORI

Khi hoc bai kim loai, m6t hoc sinh da tdng k6't : 1) K i m loai kifem c6 tinh khi!r manh, con bac va vang c6 tinh khir ySu 2) Kim loai c6 tinh dan didn, dan nhidt t6't, tinh deo, c6 anh kim la do sir chuy^n d6ng ciia cdc electron tir do

3) M6t so kim loai nhu A l , Zn, Sn, tan dirge trong dung dich kiem Chung la nhfrng kim loai luang tinh

4) Nguyen tir kim loai thirang c6 I , 2, 3 electron b Icfp ngoai cung

5) Kim loai khong bao gior thu electron de tra thanh ion am

Nhifng phat bieu diing la :

A 1,2, 4 , 5 ; B 1, 3, 5;

C 1,3, 4, 5 ; D 1,2, 3, 5

Hay sap xep cac kim loai sau theo tinh khir giam d i n :

Thiiy ngan kim loai de hoa tan nhieu kim loai khac tao thanh h6n h6'ng (dung dich kim loai tan trong thiiy ngan kim loai long) Ne'u thiiy ngSn

bi lan mot It tap chat kim loai nhir Mg, Cu, Zn, Fe thi hop chat td't nha't

dung de thu thiiy ngan tinh khie't la : ,

A Dung dich HCl

71

Trang 37

B Dung dich AgNOg

C Dung dich HgNOj

D Dung dich HNO3

5.4 Cac nguydn tir kim loai lu6n lu6n c6 xu hudng :

A Tao thanh lien kfi't c6ng h6a tri v6i phi kim

B Nhiromg electron d^ tro thanh ion dirong

C Thu electron de tro thanh anion

D Lien ket v6i nhau de c6 ca'u hinh electron ciia khi hiem

Hay chon xu hucrng dung

5.5 Day g6m cac kim loai de dang hoa tan trong dung dich HNO3 dac,

ngu6i la :

A Mg, Al, Zn, Cu

B Mg, Ag, Cu, Fe

C Mg, Zn, Ag, Cu

D Zn, A), Ag, Ni

Hay chon dap an diing 1

5.6 Cho cac phan ling :

1) Zn + AgN03 ^

2) Fe + H2SO4 dac, ngu6i ->

3) Al + HNO3 dac, nguCi ->

4) Ag + CuCl2->

5) Ni + FeCl3 ^

6) Mg + HNO3 rat loang ->

Cac phan ling khong xay ra g6m :

A 4, 5, 6 ; B 2, 4, 6 ;

C 2, 3, 5; D 2, 3,4

g 7 Dien phan nong chay m6t mu6'i clorua ciia kim loai X Ngudi ta nhan

tha'y khi o catot thoat ra 5,4 gam kim loai thi 0 anot bay ra 6,72 lit

Cl2(dktc)

X la kim loai gi ?

A K ; B Ca ;

C Al ; D Fe

5.8 Neu khi dien phan dung dich CuS04(du) ma a catot thu dirge 3,2 gam

kim loai ihi a and thu dugc bao nhieu lit khi ?

A 1,68 lit; B 1,12 lit; ,

C 0,896 lit; D 0,56 lit ^ Hay chon dap so diing

5.9 Trong qua trinh an mon hoa hoc cac kim loai, phan lirng gi xay ra ?

A Phan ting trao ddi proton

B Phan ling hoa hop

C Phan urng phan hiiy

D Phan urng oxi hoa - khir

5.10 Tir CaC03 CO the di^u che'Ca bang cac each sau : r

A Nung CaCO, thanh CaO, r6i khir CaO bang CO (t°)

B Nung CaC03 thanh CaO, r6i khir CaO bang H2 (t°)

C Hoa tan CaCOj bang dung dich HCl thanh dung dich CaCl2, r6i dien phan dung dich CaCl2

D Hoa tan CaC03 bang dung dich HCl, sau do c6 can dung dich roi

lay CaCl2 khan dem dien phan n6ng chay

Hay chon each tdt nha't ,

73

Trang 38

11. TCr CuS c6 t h ^ dieu che'Cu bang cac each :

A Hoa tan CuS bang dung djch H C l , r6i dien phan dung dich C u C l j

B Hoa tan CuS bang dung djch H C l , sau do c6 can la'y CaCh khan

dem dien phSn nong chay

C D6t chay CuS thanh CuO va SOj, sau do khir CuO bang CO ( t " )

D Hoa tan CuS bang dung djch H C l , sau do dung Fe day Cu khoi

dung dich

Hay chon each tot nha't

12 Tir •\l2O3 CO the' difeu che A l bang cac each :

A Dien phan nong chay AI2O3

B Dien phan nong chay AI2O3 k h i c6 mat criolit

C Khir AI2O3 bang CO, H2 (t")

D Hoa tan AI2O3 bang dung dich H C l , r6i dien phan dung dich A1C1-

Hay chon each t6't nha't

13. Tir Na2S04 c6 the dieu che Na bang each nao ?

A Dung K day Na khoi dung dich Na2S04

B Dien phan dung dich Na2S04 (c6 mang ngan x6'p)

C Nhiet phan Na2S04 thanh NasO va SO3 r6i khir Na20 bang CO,

H2 hoac A l (t°)

D Hoa tan Na2S04 vao nuorc sau do cho tac dung v6i BaCl2 (hoac

Ba(0H)2), c6 can dung dich NaCl (hoac NaOH) thu la'y NaCl khan

(hoac NaOH khan) dem dien phan nong chay

14. San pham dien phan NaOH nong chay la :

A Na, O2 va H j O

B Na, H2 va O j

C Na, H2 va H 2 O

D Na, H 2 , O , va H 2 O

5.15. Co the' dieu che Ca bang phuong phap :

A Dung Na day Ca khoi C a C l 2 n6ng chay

B Dung CO (hoac H2 ) khir CaO o nhiet d6 rat cao

C Nhiet phan CaO a nhiet d6 rat cao

D Dien phan nong chay C a C l 2

Hay chon dap an dung :

5.16. Tir d6ng kirn loai co the di6u che' C u C l i theo cac each :

A Cho Cu tac dung trirc tie'p vdri CI2

B Hoa tan Cu bang dung dich H C l khi c6 mat O j (sue khong k h i ) - l

C Cho Cu tac dung vdfi dung djch HgCl2

D Cho Cu tac dung v6i dung dich A g C l Hay chon each sai

5.17 Hay chon thu tir dung cua cac day dien h6a du6i day (theo chieu tang

dan tinh oxi hoa ciia cac ion k i m loai) :

A N a V N a , Fe^*/Fe, A l ^ ^ / A l , Cu^+ZCu, A g ^ / A g , Fe^^/ Fe^\

B N a V N a , Ar"*^/Al, Fe^^/Fe, Fe^^/ Fe^^ , Cu^^/Cu, A g " / A g

C N a V N a A l ^ ^ / A l , Fe^^/Fe, Cu^^/Cu.Fe^^/ Fe^^ , A g ^ A g

D N a V N a , Fe^^/Fe, A l ^ ^ / A l Cu^^/Cu, Fe^" / Fe^* , A g ^ A g

5.18 Nhung mot thanh nh6m k i m loai vao dung djch CUSO4 c6 cac hien

tugng sau : •

A Kh6ng tha'y bot k h i thoat ra

B Mau xanh ciia dung dich nhat dan ;

C Co d6ng mau do bdm vao thanh nhom

Trang 39

D Thanh Al tan va c6 khi thoat ra

Hay chon hidn tuang ntu sai

5.19 Dieu khang dinh nao duori day khong dung

A Kh6ng the dung Na de day nh6m khoi AICI3 nong chay

B Co the' hoa tan Al bang dung dich HCi (hoac NaOH)

C Co the dien phan AICI3 6i la'y Al kim loai

D. Kh6ng the dung Na kim loai d^ day Al khoi dung dich AICI3

5.20 Dung dich FeCl3 khong the hoa tan diroc kim loai nao ?

5.21 Co the dieu che Ag tiir AgN03 bang cac each sau :

A Diing kim loai hoat ddng han de day Ag khoi dung djch AgN03

B Dien phan dung dich AgNOj

C Dien phan dung dich AgN03 cr nhiet d6 cao

D Dung dung dich HCI hoac NaOH

Hay chon each sai

5.22 Cach dan gian nha't d^ la'y Ag tir Ag20 :

A Nhiet phan Ag20

B Khir Ag20 bang CO, H2 6 nhidt d6 cao

C Dung phirong phap nhi6t nhom

D Dung dung dich HCI

5.23 Co the dien phan dung dich mu6'i clorua de' dieu che' cac kim loai nao

dirdi day ?

A Ag, Cu, Hg

5.24

B Cu, Al, Fe •

C Cu, Fe, Ni

D Ca, Cu, Fe

Hoa tan hoan toan 1,35 gam kim loai X bang dung dich H2SO4 loang thu diroc 1,68 lit Hj (dktc) Kim loai X la :

Cho mot ludng CO di qua ong sir dirng 20 gam bpt CuO nung nong

Sau mot \\\h\n tha'y kh6'i lirong cha't ran trong 6'ng su con lai 16,8 gam PhSn tram CuO da bi khir la :

A 5 0 % ;

C 8 0 % ; Hay chon dap s6' diing

B 6 2 , 5 % ;

D 81,5%

5.26 Cho 10 gam b6t sat vao 500 ml dung dich FeCl3 x mol/1 Khua'y deu

den phan limg xay ra hoan toan tha'y kh6'i luong b6t sat con lai 8,6 gam

Gia tri cua X la bao nhieu ?

A 0,25 M ;

C 0,3 M ;

B 0,1 M ;

D 0,05 M

5.27 Co 5 mau kim loai mau sang bac : Ba, Mg, Al, Fe, Ag Dung thu6'c thu

nao t6t nha't de c6 the nhan bie't duoc ca 5 kim loai ?

A Dung dich NaOH

B Dung dich H2SO4loang /

C Dung dich FeClg

D Dung dich HCI loang

5.28 Cho h6n hop chira x mol Mg, y mol Fe vao dung dich chiia z mol

CUSO4 Sau khi ke't thuc cac phan urng ngucri ta tha'y trong dung dich c6 mat ca 3 ion kim loai Mu6'n thoa man di^u kien do thl :

Trang 40

A x < y < z ; B z = x + y ;

C z > x + y ; D y=:x + z

5.29 Cho h5n hop chira x mol Mg, y mol Fe vao dung dich chiia z mol

C U S O 4 Sau khi kd't thuc cac phan dng thu dirge chat ran g6m 2kim

loai Mu6'n thoa man di6u kien do thi :

A z > y ; B x < z < x + y ;

C. X < z < y ; D z = x + y

5.30 Nhiing thanh Al nang 50 gam vao 100 ml dung djch CuS()4 0,6M Sau

mot thdi gian phan iJng, khi n6ng do C U S O 4 con lai mot nira

(tu-c 0,3 M), la'y thanh Al ra can nang x gam Gia sir tat ca Cu thoat ra

deu bam vao thanh Al Tinh x

A 50,8 g; B 51,38 g ;

C 55,24 g ; D 56 g

5.31 De hoa tan hoan to^n 3,9 gam kim loai X c^n dung V ml dung djch

HCl va CO 1,344 lit H2 bay ra (dktc) Mat khac de hoa tan 3,2 gam oxit

kim loai Y cung cin dung V ml dung djch HCl cho tren Hoi X, Y la

5.32 Nhung d6 vat lam bang kim loai nao dudri day khdng bi han di trong

moi trudng khCng khi nhcf mang oxi bao ve ?

A Mg va Cu ; B Al va Fe ;

C Al va Zn ; D Zn va Fe

78

g 33 Khir hoan to^n 8,12 gam F C x O y bang C O , sau do hoa tan Fe tao thanh

bang dung dich HCl du, thli dugc 2,352 lit H2 (dktc) Cong thurc cua sat

5.34 Hoa tan 3,2 gam oxit M 2 O X bang mot krgng vira dii dung dich H 2 S O 4

lO^/r thu dirge dung dich mu6i sunfat 12,9%

Cong thu"c ciia oxit M 2 O X la :

C Mn203 ; D Fe203

Hay chon d^p an diing

5.35 Hoa tan hoan toan p gam kim loai R bang dung dich HCl, thu dugc V lit H2 (dktc) Mat khac hoa tan hoan toan p gam kim loai R bang dung

djch H N O 3 , thu dugc V lit NO (dktc) Ti le hoa tri ciia kim loai R trong muoi nitrat (m) va trong mu6'i clorua (n) la bao nhieu ?

Hay chon dap dn dung

5.37 Day kim loai dugc sap xep theo chi^u tinh din dien tang la:

A Cu, Ag, Fe, Pb

B Fe, Al, Cu, Ag

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4 7.38 Dap s6' diing la Ạ