m-bromtoluen vi benzYlbromua.[r]
Trang 1UBND rhn* rnar Ncwf,N
sO ctAo DUC YA nAo r4,o
nu cuixs rntlc
xi rru cHgN Hgc sINH cr6l riitg rcrp tt
NAna Hoc 20fi-2au
nnOu rriL noA Hgc (ThN gian tdm bdi 150 ph# *hhng kd thdi gian giao ilt)
Cfiu [: (3,5 ili0m)
lJ";d *0t Aung dich chrta c6c ion: NH4*, Na*, HCoi, Sos2-, Sớ', 9or''r Cht c6
dung dich fiăOHi, Cung dich HCl, qu! tim, đn cOn vd cdc dUng cp cdn thiiit kh6c, c6 the nh6n bitit du-ọ c ntiimg ion ndo trong dung dich tren ? Trinh bdy c6ch nhan bi6t va vi6t c6c phuong trirlih6a hgc x6y iạ .
2.ạ yi{ttpil*g trinh'hda hgc xhy ru ịfrị fan lugt cho c6c don chdt As vi Bi t6c dung vdi dung dich HNO: (gi6 thi€i sdn ph6m khr) chi le khi NO)
b 5o sanh (c6 gi6i thich) tinh tan trong nufc, tinhbazs vd tinh khrl cria hai hqtp
ch6t vdi hidro ld amoniac (NH:) vdphotphin (PH3).
CflS.-EI:( 4,5 tli6m)
tr Cho so clO chuy6n hda gita cdc chiit hfru co nhu sau:
đ KMnO, n đ HzSOaat
-
CfirCHO" -}n (vludi amani)
E "-',t'
Cdc cht c6i A, B, C, D, E, F H ki hiQu c6c chdt kh6c thau cing c6 2 nguy6n tfr
cacbon trong ph6n trf iim tOng thfc c6ut4o cta cdc ch6t A, B, C, D, E, F vi viAt
cdc phuonelrinh h6a hgc x6y ritheo so dO bi6n h6a trOn, ghi rO diAu kiQn ph6n rlng (n6u c6)
ị Xịlourrken C5H6 c6 6 đng ph6n m4ch vdng A, B, C, X, Y, Z.Trong d6 kh6ng
cd dA,ng phdn ndo chrla nhOmityl Khi cho A, B, C ph6n img vdi dung dich KMnOa trong -oi truog H2sơ thu duqo ki$t qu6 sau: A tqo ra axit D c6 chr?a nguy€n n?
ii, Ua, j$i; E tao dixeton E khong chira nguy€n trl cacbon u6t Aoi; C tao ra F vtra chrla nh6m chrle cacboxyl vira chrla nh6m chrlc xeton vi cfing c6 nguy6n tu
cacbon U6t AOị
Tim c6ng thrlc c6u t4o A, B, C, g, X, Y, Z, D, E, p ni$t ríng ng"y6n trl cacbon Udt A6i H iguy6n tu cacbon li0n k€t vdi 4 nguy€n t* ho{c 4 nh6m nguyOn tt kh6c nhau, Vii5t cdc phuong trinh hda hgcxhy ra
3 Trtnh bay pirucrng:ph6p ph6n biet ;6i cflp ch6t dudi i16y lmdi truong hqrp chi
dung rnQt thui5c thrl dorr gian) Vi€t phuong trinh h6a hgc minh hqạ
ạ m-bromtoluen vi benzYlbromuạ
b phenylaxetilen vd stYren.
e6u III: ( 4,0 tli6m) ,
a fa fridr*urUon'tt Ong lim m6t mdu dung dich brom BOt ch6y hoin todn 0,02 mol A vd h6p thu toan b0 s6n pha* ch6y vdo 150 ml dutg dfch chrlạcăoH)2 1 M
it u itoq f<6i ma va khOi lugng dung dffi tang lln 1,32 gam Cho 0.ung $i{
grfOHL du vio dung dich lai ttru Ouqt k;5t tua, t6ng kh6i luqmg k€t tua hai 16n ld zq,bs gam A kh6ng ia" dung vdi dung dich KMnoýHzSơ n6ng, cdn khi monoclo h6a trong diAu ki0nihi6u s6ng thi chi tao m6t san ph6m duy nh6t
f Xac dinh cdng thfc c6u tpo vi gqi tOn Ạ
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A
I
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\-2 Nguoi ta c6 tne di6u chi5 e t& ph6n {mg gi8a benzen vi anken tuoxg img trong axit sunfuric Dtng co chiS phan tmg di3 gi6i thich phin r?ng niy.
3 Mononitro h6a A b6ng c6ch cho phan img v0i axit nitric (cd mpt axit sunfuric dac) tihi sin phflm chinh thu dugc H gi? Tpi sao?
Cfiu IV:( 4,0 tli6m)
1 Tfnh pH cta dung dich thu dugc l,*ri hda tan 0,1 _mol PCl3 vio 450 ml dung dich I,laOH lM Bii5t ttrpo, c6 K1 :1,6.!0-2; Kz: 7J0-7
2 Ph&n sft amoni c6 c0ng thrlc (NEfu)Je(SO+)6.nH2O Hda tan 1 gam m6u phen
slt vdo 100 cm3 HzO, r6i
"hia dung dich thu dugc thdnh hai phAn b[ne nhau Th€m dung dich NaOH du vio phAn mQt vd dun sdi dung d!ch Lucr,ng NHr tho6t.ra plan
img vira ctri vdi 10,37 cm'dung dich HCI 0,1 M Dung k6m kim loai khti het Fe'- 6 ph[n hai thanh Fe'* D6 oxi hoa ion Fe2*thAnh ion Fe3* trO lpi, c6rn2},74 cm' dung dich llMnO+ 0,01 M trong m6i trucrng axit
a Vji6t c6c phucrng trinh ho5 hpc dAng io_n thu ggn vi x6c ttinh cdc giittri 4 b, n.
b Tqli sao ciic phdn khi tan trong nudc tI€u tpo m6i truongaxit?
gam X cho vio 6ng s,fr chiu nhiQt, nung,n6ng rOi cho lu6ng khi CO di qua ilng, CO ffran rtug hiSt, toan b0 khi CO2 ra kh6i-i5ng duqc h6p thu hi5t veo binh dung 100 rnl
o*g oiJfr ga(oH;r 0,6M, tri6y f<froi toqrg
{ung diih tane so v6i du,rg dich <lAu ld 1,665 gam Ch6t r[n cdn lpi trong 6ng sf g6m 5 ch6t vd c6 kh6i lugng lit 2l gam Cho hdn hqrp ch6t rdn ndy t6c dpng tr6t vOi dung dich HNO3, dun n6ng dugc V lit
khi NO (li sf,n ph6m khri duy nh6t, 6 0"C vd 2 atm)
Vi6t cic phumrg trinh h6a hgc xiy ra vd tinh m, V, si5 mol HNOa dd dung (bitit luqng axit du 20% so vdi lugng can mi6q
Bi6t NTKI C:12; H-1; N=14; S:32; 0=16; Ca=40; Ba=137i Fe=56; zn:65j
K=39; Mn:55; Tvlg:}4
( Hsc: sinh khang rw;';;';;;';:i,';;;;,",;if:;;';;d*';;';;;;iii'ii,u,r s,ui thtch si tham)
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