Thi thử 2011-Chuyên Đào Duy Từ Lần 1

diu md khodng bdi tron may A.Dung dich NaOH vd CuOHz B.AgNO3AiH3 vd dung dlch Brom C.Dung dich HCI vi nu6c Brom D.Dung dich NaOH vd nudc Brom Cf,u 3.. Sau phdn {rng c6 cqn dung dich du

rn{toNc F"r'TE{ pAo nuv s'rl

FIA NO{

rrg em s4.r E{qc lAru ru-n+am Fiqc z0r0 - zon x

pqdnr FnoA r{gc

Thdi giarc ld.in bdi: 90 ph*i;

(50 cdu ftdc nghiPrrt)

tti oE zot

CAu 1 Cho cdc chdt : glu-co zo , Fru.c to zo , Glyxerin, AnCAhit axetic ,mantozo ,saccarozo C6 bao nhi6u chdt trong s6 tr1n khi tdc dung voi Cu(OI{)z tqo thdnh dttng dich xanh lanz ,ti€p sau d6 dun n6ng v6i Cu(OH)2 trong NaCH tqo thdnh tfia dd gqch?

c.l,24g

Chw 2 Dimg chdt ndo sau ddy dE phdn biet ddu md dSng tltqc vQt vd diu md khodng ( bdi tron

may)

A.Dung dich NaOH vd Cu(OH)z B.AgNO3AiH3 vd dung dlch Brom

C.Dung dich HCI vi nu6c Brom D.Dung dich NaOH vd nudc Brom

Cf,u 3 Uqt pin di€n h6a c6 2 diQn cqc vdi thA d?n c6c chudn fl**",*: a VoL vd f, yn^ry: b ttot

Ddng mqch diQn, kim di€n ke chi z vol Sau m6t thdi gian thiiy kh6i laong thanh kim loai Y gidm Nhqn xtlt ndo sau ddy kh6ng dilng

A.b**z B- a-b:z C X*n oxy h6a Y D a>b

CAu 4 Oxy hod het m gam mQt andehit X bing 02, daqc (rn*1,6) gam mdt axit no don chac

Y.Kh* h€t m gam andehit X bdng Hz o nhi€t d$ cao co Ni xilc tdc daqc 6 gam mQt alcol Z C6ng th{rc cfia Z ld

CAu E, nat cnay hodn todn m g&ffi phiit pho trong Oz: du daqc rdn X Cho todn bO X tdc dqng

vita h€t voi Ca(OH)2 tloeo rj,tQ rnot taong thng 2/5dwqc 5,82 gam *udt Tinlz m

Cdu 5 Xd phdng hoa hodn todn 0,13 rnol este X c6 c6ng thirc (CHyCOO),,R., ngudi ta ditng 0,24 mol NaOH Sau phdn {rng c6 cqn dung dich dugc bao nhi€u gam chtit rdn khan

qAq S Dung dich X chua 0,07 mol Na*, 0,03 mot SOa2-, x mol Of{ Dung d[ck Y chaa y mol Hn,

z mol Bd*, 0,02 mol I'IO3' Trpn X vdi Y, sau khi phdn wng xong dwqc 500m1 dung dich cd plt

:2 vd m gam tfia Tinh m

Q6rs-7.Nungnong5,9gamhdnhqp2kimtoEiXvdY(cohoatrikh6ngd6i)trong02daduqc 9,1 gam h1n hqp 2 oxit I{6a tan hdt 5,9 gam hdn hqp kim loqi d6 vdo dung dich HNO3 duqc bao nhi\u tit NO ld sdn phiim kh{r duy nhdt dhc

CAar 9 Cho 2 polirne : X lh[-O-(CX{)2-O-CO-C6I-14-CO-J"vd Y LL[-CH2-CHCI-CH2-CH-J,

A X vd Y dAu tao thinh do phdn img ddng trung hgp

B X vd Y dOu do PU trung ngung t4o thinh

C X do trung hgp,Y do trung.ngmg tao thinh

D X do trung ngung ,Y do d6ng trung hgp

ep lq Cha cdn bing hda hec cfia cdi chiit khl aA + bB # pC + qD O nki€t d0 khinng d6i khi dp suAt nong binh k{n bing 1,2 at thi ry Ie % s6 mol B : 70%o, khi dp swdt bting 3 at thi fi'19

?5 s6 rnol B bdng 45% Nhqn x'!t ndo sau ti6y dilng

n /,'-'Dn *

1$-/6a-A.p+E:a+b B.p+q > a*b Cp+q < a+b D.a:p vd b<q

CXu 4, (Ing vdi cdng th*c CaHeBr, c6 bao nhiau

"tt,ii ttit phdn tlng vbi KOH t)ong Crit5OH, m6i chdt chi tqo thdnh I anken

CAu 12 Khdng dilng CO2 dA dQp tdt ddm chdy Mg, Al vi '

A.Mg vi Al phin img vdi 02 m4nh hcrn .

B.Tpo thinh c6c bua kim lopi ch6y mpnh hcm C.Mg vi Al khri CO2 thenh C, chdy ti6p

D.CO2 b! Mg vi Al oxy h6a

Cf,+ 13 Otit cnay hodn todn m gam hdi ho.p aletyten, benzen, vinylaxetylen Todn b0 sdn phdm

chdy lQi ti tir h€t qua dung dlch NaOH da Khdt lusng binh NaOH tdng-6,j6 gam Tinh

CAu 14 Ory h6a,het 2,16 gam m\t andLhft no X biing 02 dtrqc a gam axit Y ptdt niac m*

tryng X ke tr1n bdng H2duqc b gam alcol Z Thqrc htgn phdn *ng esi h6a todn b0 luqng Y vd Z

ka *6n duqc bao nhiau gam este .Gid sft cdc phdn rmg iiu dqt hl€u sudt 100%

CAu 15 Cho 2,jlg hdn hqp 2 chiit hiru co cilng c6 c6ng th*c CzHzO2N phdn ilmg via &i voi

dung dlch NaOH dun ndng duqc 0,79 gam hdn ho.p kh{ diu ldm xanh giiiy qu! tim tdm trot Cd

cgn dung dich sau phdn il,ng duqc bao nhi\u go* ,dn khan

D.5

c.1,g69

b) Disnphdn

D,l,42g Ciu 16 CuQtlO j)2 tham gia cdc phdn nng :

q) Nhi6t phdn

c)Th{ty phdn d) Tqo phftc chdt v6t NHj

Trong s6 ten c6 bao nhi6u phdn ring ory hda khfr

CAu 11 DiSt chdy hodn todn 2,08 gam h1n hry gim m6t este no don chrbc vd m6t axit no don chil:c cdn vira dti 0,09 mol Q2 thu dtqc bao nhi€u tlt CO2 @Hc)

Cf,u 18 Cho m gam h6n hqp Na vd ZnCl2 vdo nadc du daqc 0,075 mol H2 vd 2,475 gam chdt kh6ng tan Tinh m

CAu 19 Phdt dilng it nhiit bao nhiLu phdn Lmg dA ft CH4vd C2H5I diiu chE etyl, metyl

"*n

Cfiu 21 Diing phdn *ng vcri chdt ndo sau ddy dA ch*ng td dO phdn cgc cila ti€n kdt O-I{ trong phenol vd trong axit axetic diu ton hon dp phdn cryc crta hhn lcet O-U trong alcol etylic

CAu 20 Di€n phdn dung dlch mudi nitrat kim loai R h6a tri n, diQn cqrc tro O ca fit thu daqc 0,448 lit khi lIydri dktc vd 22,68 gam kim loqi O anot thu daqc 1,4 lit m1t khl dktc Xdc dinh R

Ciu 22 Kh* hodn todn m gam mft este X bing LiAlH4 duqc duy nhit mpt alcol don ch&c Y.

Cho todn bp hot Y di qua binh Na dt thay khdt luqng binh Na tdng thilm 0,708 gam vd giai ph6ng 0,006 mol H2 Tinh m

c 0,276

Ciu 23 C6 cdc nhQn xdt vi cde ho.p chdt ct)a Flo

a)Axit HF tdc dung daqc vdi SiO2

D 1,7049

\b)Phocng phdp duy nhdt diiu ch€ I{F h cho CaF2 + It2Soaiific

c)AgF tan trang nw6c cdn AgCl thi kh6ng tan

\d) HF Id axit n€n kh6ng'phdn umg v6i oxit axit SiO2

e)Axit HF y€u hdn axit ItCt

Co bao nhiAu nhdn xdt kh6ng dting & *An

C€r 24 Cho a gam hdn hqp kim loai hogt dpne idc dry.ng hdt voi dung dich HCt dasc b rnot khi

.C6 can dung dich sau phdi ilmg daqc c gam *udi khan LQp bi6u th*c li\n hg gifra n, b, c

A.c: a - 7Ib ^ B c 7 a+ 2b '

CAu 25 Cho phdn ,ns ffiOri qnCtr:'MrC

a)Tinh oxy h6a MnO2> Cl2

c) Tinh khir Cf > Mn*2

l^

Trong s6 t/n c6 bao nhi€u nhQn xdt dilng

CuSOa, (NH)2CO3, NaNOj, NH4C\, MgCt2 56 Cfu 3=6 Cho Ba vdo cdc dung dich NaIlCOs,

dung dich phdn trng tso thdnh tila ld

Cdet 27 Chtit X mqch ho c6 c6ng th*c CaH6O X c6 phdn {mg voi Na Oxy hda X bdng CuO d6t ndng daqc sdn phiim h;ru co CaI{6O ( kh6ng c6 khd ndng tham gia phan *ng trdng bqc) T€n X ld

CAE{ 28 Hqp chdt hiru co X (C,H,O) td tqp chftc aldehit oxtt nAt chay hodn tadn a mol X thu

duq'c 3a mol CO2 Cho 10,56 gam X tdc &lng voi NaOH dw duqc bao nhi6u gam mu6i khan

A.la,469 8.11,85g 8.12,329 T\ 1a a-u L J ).LY

CAE 29 Cd nhiiu nkdt bao nhi€u trong s6'cdc ion Na*, COrt', NIia*, Cl-, Mg:*, OH', NO3-cd thd cing tdn tai trong m1t dung diSh.( Bo qua sUr th?iy phdn)

e6w 3S NguyAn fik R cd tting sii hqt p, n, e ld 34 hqt Trong do sd hat mang diQn nhiiu gdp l,B3i ldn so hqt kh6ng rnang di€n Xdc dinh R

CSt{ 3X H\n hqp 2 este ding phdn mgch h6 X vd Y cila cil,ng } axit vd cilng co c6ng thuc

CqHoOz Thrty phdn hodn todn 0,I mol X trong m6i trudng axit daqc hdn hW Z Todn b$ Z tham gia trdng bgc dwqc 0,4 mol AS fqy 0,1 r,,tol Y phdn ung hU v6i dung dich NaOH daqc bao

nnteu gam muot

-Cq* Sa 18,9 garn mQt kim loqi X h9a tri kh6ng d6i phdn *ng voi O2 mQt thdi gian duqc drqc 29,1 garn h6n hqp rdn Y Ifda tan h1t Y trong dung dlch HCI dw duqc 0,I5 mol Hz, Xdc,dinh X

C.6q j3 Nhilng I ld chi da (Pb:207) vdo 200m1 dung dich hdn hqp AgNO3 0,1 M vd CuQ,{Q)2

a mol/lit Sau khi phdn &ng xang khtit tuqns ld chi gidm 1,769 g Tinh a

C6qn-3a Nung ndng cho phdn {mg hodn todn m gam CuQ,{Oj)2 drqc x go* ,dn X Todn bO khi

bay ra hiip tfu; hAt vdo ,i6, dwqc 200mt dung dich c6 pH : I T[nh x

A6u 35 Cho so d6 Fropanat -:I + P *v > Q *t > Alanin Nltqn x,!t nd-o sau ii6y sai

C.c : a+ 71b D.c :a+ bl2

lt + Cl, + 2H2O Cd cdc nhqn xdt

b)Tinh kht? Mn*2 > Cf

d) Tfnh oxyhoa Clz > MnO2

\'i{4t*A -A.Y ld cl2 B.P lA alcol c.Q la cH3-cHCl -cooH D.z le NH3

Cfru 36 Cd bao nhi€u poli.amit trong s6 cdc polime sau: To clorin; sqi vitsco; to caprong; nilon6,6 ; nhqa novolac; to lapsan; to orlon

B.1,28g

C6u 37 Hda tan h\t 1,68 gam Mg trong dung dich HNOj lodng duqc dung dich X vd sdn phiim khi duy nhiit ld Y lit NO (dktd ._9Q ,q" X duqc I t,I6 gam mu6i khon Tfnh V

Ciu 38 Cho 0,58 gam mft axit X mqch thdng c6 cdng th*c (CHO), tdc dqmg hdt vht dung dlch

D.0,8g

CAu 39 Cho hdn h9,p cdc kim lqai Fe, Cu, Al v'da dung dich Agllo j Sau lchi plzdn irng xong duqc dung dich c6 mdu xanh vd duoc h6n ho.p B gdm cdc kim loai ){dc dinh cdc kim loai trong B

CAu 40 Cho 0,2 mol CH3COOH phdn ang h€t voi alcol don ch*c X duqc 14,8 gam mQt este. C6ng thirc cila alcol ld

CAy 41 Chi ditng CzHz vd cdc chdt vA co, phdi thqrc htQn it nhdt bao nhi€u phdn ilmg dA dftu

ch| potivinyl axetat

4.2

- phenol kh6ng ldm ddt mdu qu) tim.

- dung dich CHsCOOH ldm d6 quy t{m .

CAu !2 Chdt X mqch hd c6 cdng thtc C4H4C\2O2 , ud c6 c6ng th*c cdu tqo sao qho khi bi th{ty

phdn hodn todn trong m6i trudng kiim tao thdnh cdc sdn phiim c6 khd ndng tham gia phdn *ng trdng bqc tao thdnh bqng bqc nhiiu nhiit NEu d4ng I mol Xthtrc hiQn cdc phdp ilmg tuAn thi laqng bqc thu daqc nhiiu nhiit ld bao nhi€u mol ( vdi hi€u sudt l00Vo)

CAu 43 Cho tdt cdc ding phdn mach hd C2H4O2 tdn laqt tdc dqmg v6i Na vd dung dich NaOH

thi xay ra tdt cd bao nhiAu phdn ilmg

CAn 44 Co cdc nhdn xdt :

- dung dich metyl amin ldm xanh qu! tfm.

- anilin ld.m xanh quj, tim

Trong tA trAn cd bao nhiAu nhin xdt sai

CAu 45 Cho 2,58 gam hdn hW 2 ancol no don ch*c phdn ang hht v6i Na drqc 0,025 mol H2.

nat clzay hodn tod.n lryong hdn hgp tr€n daqc bao nhiAu lit CO2ciktc

CAU 46 Nhdn xdt ndo sau ddy 4,tn7

A.C6c phAn rmg nhipt ph6n d€u khdng phii phin img oxy h6a kh{r

B.Cdc phan ung ntriQt pha-n dAu ld phin img oxy h6a khri

C.Sg dn rndn kim loai dAu do ho4t dQng oba cilc pin diQn h6a

D Anot (trong pin dipn h6a hay binh dignphan) diu ln diQn cuc t4i d6 x6y ra str oxy h6a

CA 47 Cho ddng CO du di qua m gam h6n hqp X g6m CuO vd Alzos nung n6ng dt.oc 0,12

mol CO2 Hda tan hodn todn lwqng h6n hq tr€nphdi dilng vira di dung dlch ch*a 0,9 mol HCl

Tfnh kh6t luqng Al2O3 trong hfin hqp ban diu

Cffu 48 Cho so di : Cac bon

D.10,2g

A.H2SO4 vd dung dich nu6c Br2 u

B.H2S vi FICI

C-S$ 4% Cho 0,AI mol alanin tdc clung via h€? vdi dwng di;h Na;0A aiqt chdr ltfru co X Clio

todn bO Xtdc dung via hel voi dung dich I4Cl duoc bao nhi€w gam chdt hfru coY

CAu 5S.^IEn men raqu i0 kg tinh bpi cd lan 5% tqp chdy vdi hi€u sudt 8096 dugc bao nhiau lit

ruou 500 Bpt khdt laqng ribng ct)a C2I{5OH nguy,jn chdt ld.0,8g/mt

(Bitit: Na:23, Ca:40, Ba:137, P b:ZA7: Cu:64,2n=65, Fe:5 6, Al:2'1, Mg:24,F:3 l, S:32, N: 1 4,C: I 2, Cl:35,5, Mn:5 5, Ag: 1 08, I{: 1, O: I 6.)

Vfffta;

T[{I-T'GI'IG]'FiPT EAO IJUY ]"IJ

ffiA pero $jE, :

Mffi

TFH{ TE{U'ffiA{ ESC}gJ ##T gH

Hd#C

1.(13)

D6 la c/ac ch{t c6 nh6m chrlc CFIO, vd c6 nhiiu nh6m OH ke nhau, kd ci Fructozo rrong ni6i rruorrg hirirn : giucozo, fructozo, mantozo Gdm 3 chat

2.(h)

Dun n6ng v6'i dung dich NaOH, sau d6 clirng Cu(OFl), nhan bidt glyxerin clo chdt b6o sinh ra

3.(A)

Thanh kim loai Y giAm t<h6i luong chrlmg to Y le anot, thanh X lAm cator Suy ra a>b Do d,6, a-b: z

:> I{t5t lufln a+b :zld ichOng dring

4.(D)

Axit no dcrn chric thi andehit cfing nci don chric do do hon kdm 1 nguy€n f* Oxy tucrng rmg 169. Theo AAUai tdng 1,6 gam tuo'ng,rig o,l rnol andehit Ktrt 0,1 mol andehit don chfc tha;h 0,1 mol

ancol rJoir chirc tucrng rlmg 6gam Mun.o1: 60 E6 la C3I-{?OI-I

5 (al

I\l€u 2< n thi xd phdng h6a hodn todn 0,13 mol (CH3COO)"R cAn 0,26 <s6 mol NaOH Thuc t5

cl-ii dung A,24 lnol NaOFI VAy n:1;CH:COOR + NaOH -+ CH3COONa + ROH thu drroc 0,13 mol Cl-i3CCOi'iava0,2+- 0,i3 : 0,i i moi i.iaOii ,Ji-r

, 'iuong ilng (0,11.4C) +(0,13.82):15,05g rf.n

6 (c)

5{i0nil dung dich c6 pH :2 tucrng img 0,005 rnol H*, sau khi trOn 2 dung dich X vA Y.Trong dung dichXc6x: A,0J - (0.03.2):0,01 molOFI-trunghda0,0i molFI*trongdungt{ichY.TOngrO*o'1 Ii* trong dung clich'Y :0,0i -r- 0,005 : 0,015 molf{o V6y trong dgng dic:h y c6 2z 0,AZ- 0,015 :

0,CC5 ntol do:r vi

fi6rr tich (+) tuong vng z: 0,0025 moi Ba2*, khi p-h6n img r,6i rlung dfch c6 0,03 riral:5041.::tiii SL=!q?-drr ; ciii u,rnr 0,0025 rnol BaSo4 tucrng ring 0,5gi5 g =, rn gam iria

7.(.A,)

iO m"l C-xy trong 9,1g Oxit: (9,i-5,9):16 =.0,2 rncl tuong ring 0,4.mci dien tich (-) tr-rolg duong 0,4 n:ol di€n tich (+) cta kim lopi Khi.tao thdrrh.muoi nitrat c6 b,4 mol N03: S0 mol-1.{O trong m6i truong ho p kim lopi tan trong lfi{o3 d€u: 1/3 so rnol No3-.vro: 10,4.22,41.3 : 2,9g7in

( Ho6o gi6i theo phuong ph6p bio toin e )

9 ({-\

Ran X 1a P2O5; P2O5 phdn irng h6t viri Ca(OH)2 iheo ty l€ nol : sO mol P2C5ls0 mol Ca(CFI'Sr: 2.3 'io le 2 phin ung P2O5 + 2 Ca{OLI)2:2CaHPO4 +H2O vri P2O5 +3Ca(OH)2 : Ca3(FOo), - 3H2O.

i;Xt >r nol CaF{POa -/d y rnol Ca3(FOa)2 Phucmg trinh vA kh6i iuqng mu6; 136x + 3li'y :5,92 gant. Piriiong trinh vd ty 1€ mol P2O5/Ca(OI-I)2T/Z +1111" +j;y):215 Cial ra;<:0,02 ;y:0,0i mol ; ,Sui,

ra t1.02 rnol P2O5 rmg 0,04 mol p hay 1 ,Z4ganp

e (D)

Poiinre X do phan rmg trirng ngung alcoI2 chirc va axit 2 chri'c Polime Y rlo c10ng ftilng hop vinyl clorua va vin),l axetal

1fi.(c)

titlluo.su6t_tang dr 1,2 at 16n 3 at thi s0 motrp eiam t$ Ta% xudng 4|yo, cdn bang chuyCIn theo r:lrifln thuAn.ifheo nguy€n ly chuy6n dich cdn bang ciriOu thuAn ld chiSu gi6m try sttitra +UA pC

+qD S0 niol khi gi6m FIay p+q < a*b

1": (.8)

I'hi.gv|i *Ong thr?c CaHeilr c6 3 dOng ph6n kJri phan img vfi KOH trong C2H5OH, bi rich HBr in6i

clidt ctro 1 an ken duy nhAt, d6 ln CH2- CH2 CFI2-CFI2Br;

?Fl,

.F

I

cI-I3

cl-\r

I

CH3-C-Br

I

CHr

i ffi]vd Al khr:r co2 0 nhiet dQ cao vi du 2Mg + coz : 2Mgo + c; c sinh ra ti6p tuc ch6v

3'(D)

^.,.^ rA- hrm rA c 6n hqp tuoirg img 13nx gam dot ch6y dugc

l6ng thric chung ctra h6n hcp le q.H.'' D{t x-mol h'

,4nx gam CO2 va 9nx garn H2O-t6ng"c6ng l3f g;:'6'36 gu* fa rutdi lugng tdng cira bintr

,raoH ( hap thi.r c6 nu6c*vd coz) ,u,il;o= 0,!2 irtoi lusng h6n hqp diu: 13nx:1,569

-4'(A) -ar^\ - t- r^

l*:i':'i;Hl,t1ffi?,lli:ilHllig'#it:U:.b* a mor ui'or ni6u2oH)"

.rhuc-hienphan

hng este h6a lugng arit vA alcol.tren;;;t *i nqcoO-bH')"R lai tfcii rd *i'lmol H2O' Vfy lucng ,ui"" ttu dugc :2 lil lugng andOhit :2'16 '2: 4'329

15.(B)

'

^231e

ft*o gfI(I- x: 2,31+1,2 - 0,79 - 0,54:2,l8gam

S6,toi C2HTOii'i :2,3"17i : 0,03 mol

16'(c) '

"A+ *r'6a "a AiAn nt ld phin img oxy h6a khir Hui pf,an tmg nhiQt phfrn vd diQn phan Cu${O3)2 d6u

X;lllt- chung cuah6nhqp ld cnu'n02 + (3 i-zltzoz r n-co' *

"ri'o ;

DA; mol h5n h qp 2 chdthiru co ' Theo btkl :2'08+2'88 : 62 n x gam'

;iui::lolCCz:nx:4,95,.ds2:0,cBrnol.VCo2:0,08.22,41it:i,J92|,tl

1E.(c)

I.la+H2O:NaOH+t/z1z'0,075molH2sl1yra0'l5rnolNaOH;0'15rnolNa

Slf;,t;ill:r7;Icl;- ;rl|!?ol NaoH tporhanh x rnol Zn(oH)2 Du (0, t5 -2x) mor NaoH

hc,a tan ,.r*cyc (0,r5-2x)r2 mor r.'raoH prluollg t intr oa^ro mol tua 2rr(orD, thu duoc cuoi cirng x

-fo,is-r*Y2':0,025 mol ; x:0,05 rnol Znclr

[il5i ;;r; rra" r,qp oau: (0,ls.23)+ (0,05.136): i0,25s

19 (B) - I

t1'tr \ 1-rr-\lo7 -+ cFI3NH2 + CH3-NH-C2H5

Ba phin img g6m Uiia-? Lii3I

20(A) ^ ynrn r.1nr

^t1 c\ /r\sai itR0{O:)zthidiQnphAn-nu6; 2R(NC3),, + nH2O:2nFINO- 121 + nl2 02'(1) Sau khi diQn

phdn h€

giii phong ttr; tIzO : Hz: ,?i, nier pt an ffrO a.rq d,OZO ,''oi Cro t#i ua 0'01 mol Ot' O

anor thu duc,c 0,0625 mol o2 s6 Lol brirru duoc a" (rl ta o.o:zs cung voi o'21n mol kirn loai'

lVlr.ir r.,qi :22,68tt/0,21 :108n' pO ld Ag

?1(D)

chi c6 phenor vd axit phin img dugc vd'i NaoH cr*mg t6 dn phdn clrc cria li.n kot oH trong 2 chdi" 3"

d6 idn hon trong alcol

2

Ciro aicol qua binh Na giii ph6ng 0,006 mol F{2 tuong ung 0,012 mtsl alcol Kh6i lugng tdng cua binh Na:(R +30).0,a12:0,708 gam ; R:29 ; Aicol la c2HscFIzoH ; Este la czFlscoo-HrcrFI, .

C6 0,C106 rnol esie trrcrng img 0,006 l l6 :0,6969

?3.(E)

HF vAn co phin img voi SiO2 tpo thenh SiFa vd H2O

24.(c)

b mol khi FI2 tuong ung vdi 2b mol FICI Trong thanh phdn mtr6i co agam kiin

V$,yc:a*JIb

2:5.(Ll)

loai vd 7l,b gam Cl

iiua v:\'o nh6n xdt : Chdt tham gia phin fmg oxy h6a khtr lA chdt oxy h6a va ch6t khri mgnh hon. Trong phin ring MnO2 + 4HC-l : MnCl2 + Clz + 2HzO Co 2 nhAn x6t dring la Tinh oxy hoa

MnO2>Clz ; l'inh khri Cl- >Mn*2

25.(c)

Hai clLrng dich t?o thanh lua BaCO3; I dung dich tao trra BaSOa vi Cu(OH)z.l duns dictr t4o tira

Mg(Oi{)2 vi c6.c dr-rng dich trOn phin img vcri Ba(OH)2 sinh ra clo Ba t6c airng vOi nu6J

27.(.C)

ctrAt x lA CFI2: CH-cH(oH)-cHr ; chAt y ld CFI2: CH-co-CI{3 T€n cira X ld

But-3-en-2-ol

28.(D)

Y tan nhr'rn vrrFv ol'tolrit rarvti, axit c6 3 C d6 la oHC-cH2-cooH, s6 molX:'l0.56:gg: a,l2 mol Mu6i thu ducrc iA OHC-CH2-COON a, c6 kh6i lucrng tane 0,12.22:2,649 Kh6i luqng *rOi ,fru duoc :

10.561'2,54 :13,2g

2e.(A)

Ctr 5 ion co thO cung tdn t4i trong 1 clungdich ld NH3*; COrt';Na*; Cl- vd NO3-vi kh6ng ox1, i-r,,;

ha;, 1,lh{r nhau ''ra khOng tao tria, khi hay .t At Oien iy ytiu

,'_q{}.(c)

pieJ-n:34hay 2p+n :34 .M{t khhc Zp:1,833n; Suy ra p:l 1 E6 ld Na

3.r.(ij)

Thty piidn 0,1 moi X le HCOO-CH:CFI-CH: duoc 0,2 mol aldehit tringbac duqc 0,4 mol Ag; X

ilCOCNa tuong ring 0,1.68 :6,89

32 (D)

55 nrol O2 ph6n irng vdi kim loai : (2g,1-18.9)132:0,3 1 875 S0 mol e 612 nh6n :0,3 1 815.4 : l,2J 5

rnol S0 niol e H''nh6n:0,15.2:0,3 x mol kim loai X cho nx mol e Theo bdo toan e ta co

r,2j5 r0,3:nx; xrnolkirnloai: r,5l1ln.I(imloaix:18,9nll ,575:l2n;n:2;X:24;Mg

33.(D)

So inoi Le\? : 0,02 mol; Pb + 2 Agir{Oj : Pb(NO:)z - 2Ag ldrn r[ng 0,02 (t 16-207): 0,09 garn.

S0 mol CuQ'{O3)2 lDr x moi : Pb + Cu(}.1O3)2: Pb(NO3), + Cu lani glam lJ69 + 0,09 = 1,g59g; x(.207-64'S: 1"859 ; x : 0,013 iloi; CplCu(NO3)2 : 0,065M

J4.(i\l

cu(NO:):: CuO r-2blo: + Il2ozi 2No2 +Ii2Oz+ H:O :2 F{lrlO3; 200rnl dung dich pH:lc6

S0 mol l-l-: (200.0,1):tb00 : O,Oz mol tuong ineA,Ozmol I.{O2 vd 0,0i mol Cr-rO; 0,8 gam CuO

3s (ts)

Propanal :s+911r cH2coog

-19r-e cH3 -ci{c l- c o oH *n, >cFI3-cH(NFi2 )-cofjH

36.(C) Cfc poliamit lA tcy capron vd nilon-6,6

37(Fr)

56 rnol Mg:0,0? mol cho 0,14 mol e t4o thdnh 0,07 molMB(NO:)z tucrng img 10'36 gam' Khdi

lugngNHaNOl : 11,16 -10,36 : O,8ftuong lrng 0,01 mol Wgot'fo: ffong i*g N*t nhQn 0'08 mol e

X rnol NO do N*'nh{n 3x mol e ThJo bAoloan e :0,14 :3x +0,08 ; x:0'02 mol NO;0'448 lit

l*Ufl}"*r"on hay cs2H^12(cooll)"p; Axit mach fTe chi c6] h:y-2 nh6m chric vdi n:

n:4 Suy ra chi phn hqp n: C.H*O, n"y HOCC-CIf : cH-cooH, v6i s6 mol 0'58:116

n-rol tgo thdnh 0,58 + (0,005'44): 0,8g

3e.(B)

Dung dich c6 mdu xanh chrmg t6 cu d6 tharn gia phan,img thi het Ar, Fe Nhrmg thu dugc h5n hqp

kinr l"oaichung to ngodi Ag v6n cdn Cu chua phin img h6t

fi:tt*lt cH3cooH este hoa hiit vcri al.cgl.x dT chuc dusc 14'8 gam este' M6'1.-: 14'8'2:'74 vsl

"O"g

tlt,l" CltrCOOR Tinh ra R :15 phir hqp voi alcol CH3OH

C2H24CH3CHO + CH3COOH +c2H2 ,CH3COO-CH:CH2 + tCH-CHz-)

42'(C)

HCOO-CH: CH-CHCI2 + 3NaOH-+FICOONa + 2NaCl + OHC-CH

mor x cho 1 mol HCooNatr6ng go*g cho 2 -or eg * duoc I mor cHr(cHo)2trhng guong cho

4 moi ag Tong so 5 moi ag

1=[?oo" tham sia Zphin tmg v6i Na vd NaoH; HcoocH3 tham gia I phan img vdi NaoH; I'{O-CF{2-CHO th; gia 1 phin rmg voi Na' TAt cA 4 phAn img

gnilin kh6ng dOi mdu qui'tim' C6 1 nh4n x6t sai

'is(c) r- a -^-.r

-^ *, C0rrg'cirric ctrung cua 7'ancol,no doa chgc le C;i{2;!O ; 0:0-25 mo^t

plruongtrinh khdi lugng alcol: 0,05(14;+18):2,58 ;i:Z, ;Ycoz:0'05'2'4'22'4 = 2'6881

46.(Il) Cic d6p 5n A, B, C,tr*rOng hcAn todn dung

2 holc

:0,005

,t7.(B)

Euit'0,12 mol COz <1o khu 0,12 mol CUO

HCi noa tan AlzO: lir0,g-0,24:0,66 rnol FiCi

; 0,12 mol CuO phin img het 0,24 mol HCl' S0 mol

hda tan duoc 0,11 mc! AlzO; trrcrng tmg 1l'22g

48.(r\)

X 1A H2SOa vi 2H2SOa d{c n6ng + C :2SO2'r CO'+ 2H2O; Y la nu6c Brom vi

SO2+ 2H2O +Br2:I{zSOa +2HBr

4e.(B)

0.01 niol alanin thr-r dugc 0,0i mol mttOi y' 0'0i moi \Nli3ci

Ki,Oi lrrgrrg mrr6i thu dugc la 0,0 I '125

'5 : I

'255 g

5B (c)

l0 lrg tinh bot co SYot?p chAt v6i hiFu suAt 8C% thi chi co 7

'6kgtinh bot phin rmg (C61-1roo5)n -+ 2nCzHsOH;

92n l52n

7,6kg -> 4,316kg F ^^ t:L ^

Euoc 4311kgut.ot to*lg img 4,315/0,8:5,395 lit alcol nguy€n ch6t tucrng

(5,395.100) : 50 : tA,l9 lit

,' ':'' '

img V lit rugu 50" :