39 de Thi Thu Dai Hoc 2013_co Dap An

2013

THI TH I HC

CHN LC

mn HA HC Version 1.0

39

2

40 THI TH I HC

CHN LC

mn HA HC

Cun sch ny ca: ..

MC LC

Phn 1: bi ............................................................................................................................................................... 11

s 1: Chuyn H Long Qung Ninh ln 1 - 2012 ................................................................................................................. 11

s 2: THPT Nguyn Tt Thnh H Ni ln 2-2012 ............................................................................................................ 17

s 3: thi HSG Thi Bnh 2009-2010 ....................................................................................................................................... 23

s 4: thi HSG Thi Bnh 2010-2011 ....................................................................................................................................... 28

s 5: thi HSG Thi Bnh 2011-2012 ....................................................................................................................................... 33

s 6: HSG tnh Thi Bnh 2012 2013 ........................................................................................................................................ 38

s 7: Chuyn Hng Vng Ph Th ln 2-2012 ................................................................................................................ 43

s 8: Chuyn L Qu n - Qung Tr ln 1-2011 ................................................................................................................. 49

s 9: Chuyn L Qu n Qung Tr ln 1-2012 ................................................................................................................ 54

s 10: Chuyn L Qu n Qung Tr ln 2-2012 .............................................................................................................. 60

s 11: Chuyn L Qu n Qung Tr ln 3-2011 .............................................................................................................. 64

s 12: GSTT Group ln 1-2012 ........................................................................................................................................................ 73

s 13: GSTT GRoup ln 2- 2012 ...................................................................................................................................................... 79

s 14: Chuyn Trn Ph-Hi Phng ln 2-2012 ..................................................................................................................... 85

s 15: Chuyn i hc Vinh ln 1-2011 ..................................................................................................................................... 91

s 16: Chuyn Vinh ln 2-2011 ....................................................................................................................................................... 97

s 17: Chuyn i hc Vinh ln 3- 2011 ................................................................................................................................ 102

s 18 : Chuyn i hc Vinh ln 4-2011 ................................................................................................................................. 108

s 19: Chuyn i hc Vinh ln 1-2012 .................................................................................................................................. 115




s 23: Nguyn Hu ln 1-2011 ..................................................................................................................................................... 141

s 24: Chuyn Nguyn Hu - H Ni ln 2-2011................................................................................................................. 146

s 25: Chuyn Nguyn Hu - H Ni ln 3-2011 ............................................................................................................... 152

s 26: Nguyn Hu ln 4 2011.................................................................................................................................................. 158

s 27: Chuyn Nguyn Hu - H Ni ln 1 -2012 ............................................................................................................... 163



s 30: Chuyn Nguyn Hu - H Ni ln 4-2012 ............................................................................................................... 183

s 31: kho st cht lng chuyn Vnh Phc ln 3 -2012..................................................................................... 190

s 32: Chuyn Vnh Phc ln 4 - 2012...................................................................................................................................... 194

s 33: Chuyn Nguyn Tri Hi Dng ln 1 2012.................................................................................................... 199

s 34 THPT chuyn Nguyn Tri Hi Dng ln 2 - 2012.................................................................................. 205

s 35: chuyn H Long Qung Ninh ln 1 - 2012 ..................................................................................................... 212

4

s 36: KHTN ln 6 - 2012......................................................................................................................................................... 218

s 37: Trn Ph-Hi Phng ln 2-2012 ............................................................................................................................ 222

s 38: Quc hc Hu ln 1 - 2012 ............................................................................................................................................... 228

s 39: Thi Bnh ln 4-2012 .......................................................................................................................................................... 234

240 Phn 2: p n

...........................................................................................................................................................

11

Phn 1: bi

s 1: Chuyn H Long Qung Ninh ln 1 - 2012

I. PHN CHUNG CHO TT C TH SINH (40 cu , t cu 1 n cu 40)

Cu 1: Cho hn hp X gm hai kim loi kim tan ht trong 200ml dung dch cha BaCl2 0,3M v

Ba(HCO3)2 0,8M thu c 2,8 lt H2 ( ktc) v{ m gam kt ta. Gi| tr ca m l{:

A. 43,34 B. 49,25 C. 31,52 D. 39,4

Cu 2: Hn hp X gm hiro, propen, propanal, ancol alylic (CH2=CH-CH2OH). t 1 mol hn hp X

thu c 40,32 lt CO2 (ktc). un X vi bt Ni mt thi gian thu c hn hp Y c dYX 1 .

Nu ly 0,1 mol hn hp Y th t|c dng va vi V lt dung dch Br2 0,2M. Gi| tr ca V l{:

A. 0,1 lt B. 0,2 lt C. 0,25 lit D. 0,3 mol

Cu 3: D~y c|c kim loi c cu trc mng tinh th lp phng t}m khi l{:

A. Ca, Sr, Ba B. Na, K, Ba C. Na, K, Mg D. Mg, Ca, Ba

Cu 4: D~y n{o sau }y gm c|c ion X+, Y2+ ,Z- ,T2- v{ nguyn t M u c cu hnh e l{

1s22s22p63s23p6 ?

A. K Ca2 Cl S2 Ar. B. K Ca2 F O2 Ne.

C. Na Ca2 Cl O2 Ar. D. K Mg2 Br S2 Ar.

Cu 5: Nhng mt l| st nh v{odung dch cha lng d mt trong nhng cht sau: FeCl3, AlCl3,

CuSO4, Pb(NO3)2, NaCl, HCl, HNO3 long, H2SO4 c nng, NH4NO3. S trng hp phn ng to

mui Fe(II) l{:

A. 4 B. 3 C. 6 D. 5

Cu 6: phn ng ht a mol kim loi M cn 1,25a mol H2SO4 v sinh ra kh X (sn phm kh duy

nht). Ha tan ht 19,2 gam kim loi M v{o dung dch H2SO4 to ra 4,48 lt kh X (sn phm kh duy

nht, ktc). Kim loi M l{:

A. Fe. B. Cu. C. Mg. D. Al.

Cu 7: Cho 3,76 gam hn hp X gm Mg v{ MgO c t l mol tng ng l{ 14:1 t|c dng ht vi

dung dch HNO3 th thu c 0,448 lt mt kh duy nht (o ktc) v{ dung dch Y. C cn cn thn

dung dch Y thu c 23 gam cht rn khan T. X|c nh s mol HNO3 ~ phn ng.

A. 0,28 B. 0,36 C. 0,32 D. 0,34

Cu 8: t ch|y ho{n to{n 4,872 gam mt hirocacbon X, dn sn phm ch|y qua bnh ng dung

dch nc vi trong. Sau phn ng thu c 27,93 gam kt ta v{ thy khi lng dung dch gim

5,586 gam. Cng thc ph}n t ca X l{:

A. CH4 B. C4H8 C. C4H10 D. C3H6

Cu 9: Hn hp X cha K2O, NH4Cl, KHCO3 v BaCl2 c s mol bng nhau. Cho X v{o nc d, un

nng, dung dch thu c cha cht tan l{:

A. KCl, BaCl2 B. KCl, KOH C. KCl, KHCO3, BaCl2 D. KCl

Cu 10: un nng 10,71 gam hn hp X gm propyl clorua v{ phenyl clorua vi dung dch NaOH

lo~ng, va v{ un nng, sau thm tip dung dch AgNO3 n d v{o hn hp sau phn ng

thu c 8,61 gam kt ta, c|c phn ng xy ra ho{n to{n. Khi lng phenyl clorua c trong hn

hp X l{:

A. 4,0 gam. B. 2,71 gam. C. 4,71 gam D. 6,0 gam.

Cu 11: Nung nng ho{n to{n 27,3 gam hn hp NaNO3, Cu(NO3)2. Hn hp kh tho|t ra c dn

v{o nc d th thy c 1,12 lt kh (ktc) khng b hp th (lng O2 ha tan khng |ng k). Khi

lng Cu(NO3)2 trong hn hp ban u l{:

A. 4,4 gam. B. 18,8 gam. C. 28,2 gam. D. 8,6 gam.

12

Cu 12: Trn 3 dung dch Ba(OH)2 0,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thu

c dung dch A . Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCl 0,2M v{

HNO3 0,29M, thu c dung dch C c pH =12. Gi| tr ca V l{:

A. 0,134 lt B. 0,414 lt C. 0,424 lt D. 0,214 lt

Cu 13: Ha tan mt lng ancol X v{o nc thu c 6,4 gam dung dch Y, nng ca X trong Y l{

71,875%. Cho 6,4 gam dung dch Y t|c dng vi lng d Na thu c 2,8 lt H2 (ktc). S nguyn t H c

trong cng thc ph}n t ancol X l{:

A. 10 B. 6 C. 8 D. 4

Cu 14: Dung dch X cha 14,6 gam HCl v{ 22,56 gam Cu(NO3)2. Thm m (gam) bt st v{o dung

dch X, sau khi phn ng xy ra ho{n to{n thu c hn hp kim loi c khi lng l{ 0,628m

(gam) v{ ch to kh NO (sn phm kh duy nht ca N 5

). Gi| tr ca m l{:

A. 1,92. B. 9,28. C. 14,88. D. 20,00.

Cu 15: Trong t nhin clo c hai ng v c s khi l{ 35 v{ 37. Khi lng trung bnh nguyn t

ca clo l{ 35,5. Vy % v khi lng ca 37Cl trong axit pecloric HClO4 l{ (Cho s khi 1H, 16O):

A. 9,204 B. 9,25 C. 9,45 D. 9,404

Cu 16: Nhit si ca ancol etylic (I), anehit axetic (II), axit axetic (III) v{ axit propionic (IV)

sp xp theo th t gim dn l{:

A. I > II > III > IV. B. IV > III > I > II. C. II > III > I > IV. D. IV > I > III > II.

Cu 17: Xt ba nguyn t c cu hnh electron ln lt l{:

X: 1s22s22p63s1; Y: 1s22s22p63s2 ; Z: 1s22s22p63s23p1.

Hiroxit ca X, Y, Z xp theo th t tng dn tnh baz l{:

A. XOH < Y(OH)2 < Z(OH)3 B. Z(OH)2< Y(OH)3< XOH

C. Y(OH)2< Z(OH)3< XOH D. Z(OH)3< Y(OH)2< XOH

Cu 18: Cho m gam hp cht hu c X c cng thc ph}n t l{ C3H6O2 t|c dng ho{n to{n vi 200

ml dung dch KOH 0,7M thu c dung dch Y. C cn Y thu c 12,88 gam cht rn khan. Cng

thc cu to ca X v{ gi| tr ca m l{:

A. C2H5COOH v 8,88 gam. B. CH3COOCH3 v6,66 gam.

C. HCOOCH2CH3 v 8,88 gam. D. C2H5COOH v 6,66 gam.

Cu 19: X l tetrapeptit Ala-Gly-Val-Ala, Y l tripeptit Val-Gly-Val. un nng m (gam) hn hp cha

X v{ Y c t l s mol ca X v{ Y tng ng l{ 1:3 vi dung dch NaOH va . Phn ng ho{n to{n

thu c dung dch T. C cn cn thn dung dch T thu c 23,745 gam cht rn khan. Gi| tr ca

m l:

A. 19,455. B. 68,1. C. 17,025. D. 78,4

Cu 20: Hn hp X gm hai cht hu c n chc t|c dng vi 500ml dung dch KOH 1M, thu

c hai mui ca hai axit hu c v{ mt ancol. Cho lng ancol trn t|c dng vi Na d th c

3,36 lt H2 (ktc). X gm :

A. Hai este. B. Mt este mt ancol.

C. Mt este v{ mt axit. D. Mt axit mt ancol.

Cu 21: t ch|y ho{n to{n mt hn hp X (glucoz, fructoz, metanal v{ etanoic) cn 3,36 lt O2

(iu kin chun). Dn sn phm ch|y qua bnh ng dung dch Ca(OH)2 d, sau phn ng ho{n

to{n thu c m gam kt ta. Gi| tr ca m l{:

A. 10,0 B. 12,0 C. 15,0 D. 20,5

Cu 22: Khi nhit ph}n ho{n to{n 100 gam mi cht sau: KClO3 (xc tc MnO2), KMnO4, KNO3 v

AgNO3. Cht to ra lng O2 t nht l{:

A. KMnO4 B. KNO3 C. AgNO3 D. KClO3

13

Cu 23: C bao nhiu ng ph}n cu to, mch h c cng thc ph}n t C5H8 t|c dng vi H2 d

(xc t|c thch hp) thu c sn phm isopentan ?

A. 4. B. 2. C. 6. D. 3.

Cu 24: Cho c|c polime sau: t nilon-6,6; poli(vinyl clorua); thy tinh plexiglas; teflon; nha

novolac; t visco, t nitron, cao su buna. Trong , s polime c iu ch bng phn ng trng

hp l{:

A. 5 B. 4 C. 6 D. 7

Cu 25: Chn c}u ng trong cc cu sau:

A. Ancol a chc ha tan Cu(OH)2 to th{nh dung dch m{u xanh.

B. Phng ph|p chung iu ch ancol no, n chc bc 1 l{ cho an ken cng nc.

C. un nng ancol metylic vi H2SO4 c 170oC thu c ete.

D. Khi oxi ha ancol no, n chc th thu c anehit.

Cu 26: Nung nng m gam hn hp gm Al v{ CuO trong iu kin khng c khng kh. Cho cht

rn sau phn ng v{o dung dch NaOH (d) thu c 672 ml kh H2 v{ cht rn X. Ho{ tan ht X

trong dung dch HNO3 lo~ng (d) thy c 448 ml kh NO (c|c phn ng xy ra ho{n to{n v{ c|c th

tch kh o ktc). Gi| tr m l{:

A. 2,94 B. 3,48 C. 34,80 D. 29,40

Cu 27: Mt hp cht X c khi lng ph}n t bng 103. Cho 51,50 gam X phn ng ht vi 500 ml

dung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit v{ ancol (c khi

lng ph}n t ln hn khi lng ph}n t O2). C cn Y thu m gam cht rn. Gi| tr m l{:

A. 52,50 B. 24,25 C. 26,25 D. 48,50

Cu 28: Cho Ba kim loi ln lt v{o c|c dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2.

S dung dch to kt ta l{:

A. 5 B. 4 C. 2 D. 3

Cu 29: Cho c|c cht: amoniac (1); anilin (2); p-nitroanilin (3); p-metylanilin (4); metylamin (5);

imetylamin (6). Th t tng dn lc baz ca c|c cht l{:

A. (3) < (2) < (4) < (1) < (5) < (6) B. (2) > (3) > (4) > (1) > (5) > (6)

C. (3) < (1) < (4) < (2) < (5) < (6) D. (2) < (3) < (4) < (1) < (5) < (6)

Cu 30: Hp th ho{n to{n 4,48 lt CO2 (ktc) v{o 200ml dung dch cha Na2CO3 0,5M v NaOH

0,75M thu c dung dch X. Cho dung dch BaCl2 d v{o dung dch X thu c kt ta c khi

lng l{:


Cu 31: Cho c|c cht sau: toluen, etilen, xiclopropan, stiren, vinylaxetilen, etanal, imetyl xeton,

propilen. S cht l{m mt m{u dung dch KMnO4 nhit thng l{:

A. 4. B. 5. C. 7. D. 6.

Cu 32: Hn hp X gm HCOOH v{ CH3COOH trn theo t l mol 1 : 1. Cho 10,6 gam hn hp X t|c

dng vi 11,5 gam C2H5OH (c H2SO4 c l{m xc t|c) thu c m gam este (hiu sut phn ng

este ha t 80%). Gi| tr ca m l{:

A. 16,2. B. 14,08. C. 17,6. D. 12,96.

Cu 33: iu n{o sau }y khng ng?

A. Cht do l nhng vt liu b bin dng di t|c dng ca nhit v p sut m vn gi

nguyn bin dng khi thi t|c dng.

B. T visco, t axetat l{ t tng hp.

C. Nilon-6,6 v{ t capron l{ poliamit

D. T tm, bng, len l polime thin nhin.

Cu 34: Tm nhn xt ng:

14

A. Khi thay i bt k 1 trong 3 yu t: |p sut, nhit hay nng ca mt h c}n bng ho| hc

th h s chuyn dch sang mt trng th|i c}n bng mi.

B. Trong bnh kn tn ti c}n bng 2NO2(nu) N2O4. Nu ng}m bnh trn v{o nc | thy m{u

nu trong bnh nht dn. iu chng t chiu nghch ca phn ng l{ chiu thu nhit.

C. Trong bnh kn, phn ng 2SO2 O2 2SO3 trng th|i c}n bng. Thm SO2 v{o ,

trng th|i c}n bng mi, ch c SO3 l{ c nng cao hn so vi trng th|i c}n bng c.

D. Khi thm cht xc t|c, hiu sut phn ng tng hp NH3: N2 + 3H2 NH3 s tng.

Cu 35: Cho c|c nhn xt sau:

1) Sc Ozon v{o dung dch KI s thu c dung dch c kh nng l{m h tinh bt ho| xanh.

2) Hiro peoxit v{ hiro sunfua c th l{m mt m{u dung dch thuc tm trong mi trng H2SO4

long.

3) Sc hiro sunfua v{o dung dch FeCl3 s thy xut hin vn c m{u v{ng.

4) Dung dch H2S l}u trong khng kh s c vn c m{u v{ng.

5) Hiro peoxit l{ cht kh mnh v{ khng c tnh oxi ho

C|c nhn xt ng l :

A. 1, 3, 4. B. 1, 2, 4, 5. C. 1, 2, 3, 4. D. 2, 4, 5.

Cu 36: Cho c|c cht v{ ion sau: Cl-, Na, NH3, HCl, O2-, Fe2+, SO2, Cl2. C|c cht v{ ion ch th hin

c tnh kh trong c|c phn ng oxi ha kh l{:

A. Cl-, Na, O2- B. Cl-, Na, O2-, NH3, Fe2+

C. Na, O2-, NH3, HCl D. Na, O2-, HCl, NH3, Fe2+

Cu 37: t ch|y 3,2 gam mt este E n chc, mch h c 3,584 lt CO2 (ktc) v{ 2,304 gam

H2O. Nu cho 15 gam E t|c dng vi 200 ml dung dch NaOH 1M, c cn dung dch sau phn ng thu

c 14,3 gam cht rn khan. Vy cng thc ca ancol to nn este trn c th l{:

A. CH2=CH-OH B. CH3OH C. CH3CH2OH D. CH2=CH-CH2OH

Cu 38: S nguyn t m nguyn t ca n ( trng thi c bn) c tng s electron trn cc phn

lp s bng 7 l:

A. 9. B. 3. C. 5. D. 1.

Cu 39: Cho c|c cht sau: axetilen, axit fomic, fomanehit, phenyl fomat, glucz, anehit axetic,

metyl axetat, mantz, natri fomat, axeton. S cht c th tham gia phn ng tr|ng gng l{:

A. 6 B. 7 C. 8 D. 5

Cu 40: Cho c|c cht: FeCO3, Fe(NO3)2, Fe2(SO4)3, FeSO4, FeS, FeS2, CuS. S lng cht c th c kh

tho|t ra khi cho v{o dung dch HCl v{ un nng nh l{:

A. 7. B. 4. C. 5. D. 6.

II. PHN RING [10 cu]

Th sinh ch c lm mt trong hai phn (Phn A hoc B)

A. Theo chng trnh Chun (10 cu, t cu 41 n cu 50)

Cu 41: Chia 38,1 gam FeCl2 th{nh 2 phn, phn 2 c khi lng gp 3 ln phn 1. em phn 1

phn ng ht vi dung dch KMnO4 d, trong mi trng H2SO4 lo~ng, d, thu ly kh tho|t ra. em

to{n b kh n{y phn ng ht vi phn 2, c cn dung dch sau phn ng thu c m gam cht rn.

Gi| tr ca m l{?

A. 29,640. B. 28,575. C. 24,375. D. 33,900.

Cu 42: Ph|t biu n{o sau }y l{ ng ?

A. Ph}n t c|c amino axit ch c 1 nhm amino.

B. Trong peptit mch h to ra t n ph}n t H2NRCOOH, s lin kt peptit l{ (n1)

C. Dung dch c|c amino axit u khng l{m i m{u qu tm.

D. Ph}n t ipeptit mch h c 2 lin kt peptit.

15

Cu 43: C c|c dung dch ring r sau: AlCl3, NaCl, MgCl2, H2SO4. Ch dng thm mt dung dch n{o

sau }y nhn bit c 4 dung dch trn?

A. NaOH. B. qu tm. C. AgNO3. D. BaCl2.

Cu 44: Cho 35,48 gam hn hp X gm Cu v{ FeCO3 v{o dung dch HNO3 lo~ng, un nng v{

khuyu. Sau khi c|c phn ng xy ra ho{n to{n thu c NO; 0,03 mol kh CO2; dung dch Y v{

21,44 gam kim loi. C cn dung dch Y thu c khi lng cht rn khan l{:

A. 38,82 g B. 36,24 g C. 36,42 g D. 38,28 g

Cu 45: Khi ph}n tch th{nh phn mt ancol n chc X th thu c kt qu: tng khi lng ca

cacbon v{ hiro gp 3,625 ln khi lng oxi. S ng ph}n ancol ng vi cng thc ph}n t ca X

l:

A. 1 B. 2 C. 3 D. 4

Cu 46: Ha tan ho{n to{n 80 gam hn hp X gm CuSO4, FeSO4 v Fe2(SO4)3 trong S chim 22,5% v

khi lng trong nc c dung dch X. Thm NaOH d v{o X, lc kt ta em nung trong khng kh

n khi lng khng i thu c cht rn Y, thi CO d qua Y thu c hn hp rn Z. Bit c|c phn

ng xy ra ho{n to{n. Khi lng ca Z l{:

A. 30 gam B. 40 gam C. 26 gam D. 36 gam

Cu 47: Cho m gam hn hp X gm hai ancol no, n chc, k tip nhau trong d~y ng ng t|c

dng vi CuO (d) nung nng, thu c mt hn hp rn Z v{ mt hn hp hi Y (c t khi hi so

vi H2 l{ 13,75). Cho to{n b Y phn ng vi mt lng d AgNO3 trong dung dch NH3 un nng,

sinh ra 64,8 gam Ag. (C|c phn ng u xy ra ho{n to{n). Gi| tr ca m l{:

A. 7,4 B. 8,8 C. 9,2 D. 7,8

Cu 48: Cho d~y c|c cht: C2H2, HCHO, HCOOH, CH3CHO, (CH3)2CO, C12H22O11 (mantoz). S cht

trong d~y tham gia c phn ng tr|ng gng l{:

A. 6 B. 4 C. 5 D. 3

Cu 49: hirat ha 2-metylbutan-2-ol thu c sn phm chnh l{ anken n{o sau }y?

A. 3-metyl but-1-en B. Pent-1-en C. 2-metyl but-1-en D. 2-metyl but-2-en

Cu 50: Nung hn hp SO2, O2 c s mol bng nhau trong mt bnh kn c th tch khng i vi

cht xc t|c thch hp. Sau mt thi gian, a bnh v nht ban u thy |p sut trong bnh

gim 10% so vi |p sut ban u. Hiu sut ca phn ng ~ xy ra bng:

A. 40% B. 50% C. 20% D. 75%

B. Theo chng trnh Nng cao (t cu 51 n cu 60)

Cu 51: Khi nung butan vi xc t|c thch hp thu c hn hp T gm CH4, C3H6, C2H4, C2H6, C4H8,

H2 v C4H10 d. t ch|y ho{n to{n hn hp T thu c 8,96 lt CO2 (o ktc) v{ 9,0 gam H2O. Mt

kh|c, hn hp T l{m mt m{u va ht 12 gam Br2 trong dung dch nc brom. Hiu sut phn ng

nung butan l:

A. 75%. B. 65%. C. 50%. D. 45%.

Cu 52: A l{ hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. A

t|c dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A t|c dng ht vi nc brom d thu c a

g kt ta. Gi| tr ca a l{:


Cu 53: Cho 0,2 mol mt anehit n chc, mch h X phn ng va vi 300 ml dung dch cha

AgNO3 2M trong NH3. Sau khi phn ng xy ra ho{n to{n thu c 87,2 g kt ta. Cng thc ph}n t

ca anehit l{:

A. C4H5CHO B. C3H5CHO C. C4H3CHO D. C3H3CHO.

16

Cu 54: Tro n 10,8g bo t Al v i 34,8g bo t Fe3O4 ro i tie n ha nh pha n ng nhie t nho m trong ie u kie n

kho ng co kho ng kh . Hoa tan hoa n toa n ho n h p ra n sau pha n ng ba ng dung di ch H2SO4 loa ng (d)

thu c 10,752 l t kh H2 (ktc). Hie u sua t cu a pha n ng nhie t nho m la :

A. 70% B. 90% C. 80% D. 60%

Cu 55: Th nh 6,85 gam Ba (c ct nh) v{o 20 gam dung dch H2SO4 9,80%. Sau khi kt thc

phn ng thu c dung dch X. Nng cht tan c trong dung dch X l{:

A. 23,22% B. 23,12% C. 22,16% D. 31,96%

Cu 56: Cho dung dch NH3 d v{o dung dch X cha hn hp MgCl2, ZnCl2, FeCl3, FeCl2 thu c

kt ta Y. Nung kt ta Y trong khng kh ta c cht rn Z. Cho lung kh CO d i qua A nung

nng (c|c phn ng xy ra ho{n to{n) thu c cht rn T. Trong T c cha:

A. Fe2O3, MgO, ZnO B. Fe, Mg, Zn C. Fe, MgO D. Fe, MgO, ZnO

Cu 57: Cho c|c cht sau: phenol, kh sunfur, toluen, ancol benzylic, isopren, axit metacrylic, vinyl

axetat, phenyl amin, axit benzoic. S cht phn ng c vi dung dch nc brom nhit

thng l{:

A. 6. B. 5. C. 4. D. 3.

Cu 58: Trong phng th nghim, kh hiro halogenua c iu ch t phn ng:

NaXrn + H2SO4 c HX + NaHSO4

Phng ph|p trn c dng iu ch hiro halogenua n{o?

A. HBr B. HCl C. HCl v HBr D. HI

Cu 59: Cho c|c cht: ancol etylic, glixerol, glucoz, imetyl ete v{axit fomic. S cht t|c dng c

vi Cu(OH)2 l:

A. 4 B. 1 C. 3 D. 2

Cu 60: X v{ Y ln lt l{ c|c tripeptit v{ hexapeptit c to th{nh t cng mt amoni axit no

mch h, c mt nhm COOH v{ mt nhm NH2. t ch|y ho{n to{n 0,1 mol X bng O2 va

thu c sn phm gm CO2, H2O v N2 c tng khi lng l{ 40,5 gam. Nu cho 0,15 mol Y t|c

dng ho{n to{n vi NaOH (ly d 20% so vi lng cn thit), sau phn ng c cn dung dch th

thu c bao nhiu gam cht rn?

A. 87,3 gam B. 9,99 gam C. 107,1 gam D. 94,5 gam

---HT---

0t

17

s 2: THPT Nguyn Tt Thnh H Ni ln 2-2012

I. PHN CHUNG CHO TT C CC TH SINH (40 cu, t cu 1 n cu 40)

Cu 1: Cho c|c s phn ng:

[C6H7O2(OH)3]n n (CH3CO)2O Sa n pha m X (1) .

p xilen KMnO4 H2SO4 t

0

Yetilenglicol xt Z (2)

X,Y, Z l cc cht hu c. Cho bit nhn xt n{o sau }y ng:

A.X l mt loi cao su, Z l{ t b|n tng hp B.X l{ t tng hp, Z l{ t nh}n to

C.X l{ t b|n tng hp, Z l{ t tng hp D.X l{ t thin nhin, Z l{ t b|n tng hp

Cu 2: Cho cc nhn nh sau:

(1)Nha novolac, nha rezol u c cu trc phn nhnh, nha rezit c cu trc khng gian

(2)Amilopectin gm cc gc -glucoz lin kt vi nhau bi lin kt -1,4-glicozit v -1,6-glicozit

(3)Qung boxit l nguyn liu iu ch Mg trong cng nghip

(4)Tt c cc kim loi kim, Ba v Ca c cu trc mng tinh th lp phng t}m khi

(5) I2, nc |, phot pho trng v{ kim cng u c cu trc tinh th phn t

(6) Anlylaxetat, o-crezol, phenyl clorua, anlyl clorua u tc dng vi dung dch NaOH long, nng

S nhn xt ng l{:

A.2 B.4 C.6 D.1

Cu 3: Cho cc cht tc dng vi nhau tng i mt, trong iu kin thch hp:

(1) Mg CO2 (3) Mg SO2 (5) Mg +Si (7) Si NaOH H2O

(2) F2 H2O (4) CuS + HCl (6) BaCl2 NaHSO4 (loa ng) (8)NaHSO4 NaHCO3

S cp xy ra phn ng l

A.8 B.3 C.7 D.4

Cu 4:Thc hin cc th nghim sau:

(1)Sc H2S d v{o dung dch Pb(NO3)2 (6)Sc H2S d v{o dung dch KMnO4 H2SO4

(2)Sc NH3 d v{o dung dch AlCl3 (7) Cho NaF d v{o dung dch AgNO3

(3) Sc CO2 d v{o dung dch Ca(OH)2 (8) Cho SO3 d v{o dung dch BaCl2

(4)Cho Na[Al(OH)4] d v{o dung dch HCl (9) Sc Cl2 d v{o dung dch Na2CO3

(5) Sc CO2 d v{o dung dch natriphenolat (10) Cho Fe(NO3)2 d v{o dung dch AgNO3

S th nghim c kt ta sau phn ng l:

A. 9 B.7 C.6 D.5

Cu 5: Cho s phn ng:

Glyxin NaOH Muo i (X1)

HCl Muo i (X2) X2 c cng thc cu to l

A.ClH3NCH(CH3)COOH B.ClH2NCH2COOH

C.ClH3NCH2COOH D. H2NCH(CH3)COOH

Cu 6: Cho dy cc cng thc phn t sau: C4H10O C4H9Cl C4H11N C4H8 Cht c s lng ng

phn ln nht l

A.C4H10O B. C4H9Cl C. C4H11N D. C4H8

Cu 7: Este X, mch h c cng thc phn tC3H4O2. Khi thy phn ho{n to{n X trong mi trng

kim thu c mt mui v etanal. X c tn l

A. Vinyl axetat B.Vinyl fomat C.Metyl acrylat D. Etyl fomat

Cu 8:S tripeptit ti a to ra t hn hp gm alanin v glyxin l

A. 9 B.6 C.8 D.12

Cu 9: Ha tan hon ton m gam hn hp gm Na v Al (vi t l s mol 2:1) v{o nc d c

dung dch X.

* Cho t t dung dch 200 ml dung dch HCl 1M vo dung dch X th thu c t gam kt ta.

* Nu cho t t 300 ml HCl 1M v{o X th thu c 1,25t gam kt ta.

18

Gi tr ca m l

A. 8,76 B.9,24 C.12,60 D.7,92

Cu 10: Cho 8,4 gam Fe vo dung dch HNO3 long. Sau khi phn ng xy ra ho{n to{n thu c

2,688 lt NO (sn phm kh duy nht, ktc) v{ dung dch X. Khi lng Fe(NO3)3 trong dung dch

X l :


Cu 11: in phn vi in cc tr dung dch cha 0,2 mol AgNO3 vi cng dng in 2,68 A,

trong thi gian t gi thu c dung dch X (hiu sut qu| trnh in phn l 100%). Cho 16,8 gam

bt Fe vo X thy thot ra kh NO (sn phm kh duy nht) v sau cc phn ng ho{n to{n thu c

22,7 gam cht rn. Gi tr ca t l

A. 0,50 B. 1,00 C. 0,25 D. 1,20

Cu 12: Cho dy cc cht: Phenyl axetat, anlyl axetat, etyl axetat, etyl fomat, trilinolein, axit

axetylsalixylic, imetyl terephtalat, Phenyl clorua, vinyl clorua, benzyl bromua. Scht trong dy

khi un nng vi dung dch NaOH lo~ng (d) sinh ra ancol l{

A. 3 B. 4 C. 6 D. 5

Cu 13: Hp cht A c cng thc phn tCH8O3N2 Cho A tc dng vi dung dch HCl, un nng. Sau

phn ng thu c cht kh Y v cc cht v c. Y c khi lng (tnh theo vC) c gi| tr l

A. 44 B. 31 C. 45 D.46

Cu 14: in phn dung dch cha m gam hn hp 2 mui CuSO4 v NaCl bng in cc tr, c

m{ng ngn n khi nc b in phn c 2 in cc th ngng in phn. Dung dch sau in phn

hon tan va 1,16 gam Fe3O4 v anot ca bnh in ph}n c 448 ml kh bay ra (ktc). Khi

lng dung dch gim sau khi in phn l:

A. 8,60 B. 2,95 C. 7,10 D. 1,03

Cu 15: Chia 156,8 gam hn hp A gm FeO Fe3O4 Fe2O3 thnh hai phn bng nhau. Cho phn th

nht tc dng ht vi dung dch HCl d c 155,4 gam mui khan. Phn th hai tc dng va

vi dung dch B l hn hp HCl H2SO4 lo~ng thu c 167,9 gam mui khan. S mol ca HCl trong

dung dch B l

A. 1,75 mol B. 1,50 mol C. 1,80 mol D. 1,00 mol

Cu 16. Khi thy phn mt octapetit X mch h, c cng thc cu to l Gly-Phe-Tyr-Lys-Gly-Phe-

Tyr-Ala th thu c bao nhiu tripeptit c cha Gly?

A. 4 B.3 C.5 D.6

Cu 17: t chy ht m gam hn hp amin X gm hai amin no, n chc, mch h thu c a gam

nc v V lit CO2 (ktc). Mi lin h gia m, a, V l

A. m 17a

27

5V

42 B. m

7a

27

5V

42 C. m

17a

27

V

42 D. m

17a

27

5V

32

Cu 18: Cht hu c X c phn ng: X + NaOH d 2 mui ca 2 axit hu c + CH3CHO. Cng thc

cu to ca X c th l

A.CH2 CHOOCC6H5COOCH CH2 B.CH2 CHCOOC6H4COOCH3

C.CH2 CHOOCC6H4OOCCH3 D.CH2 CHCOOC6H5COOCH CH2

Cu 19: Mt loi cht bo l trieste ca axit panmitic v{ glixerol. un nng 4,03 kg cht bo trn vi

lng dung dch NaOH d. Khi lng x phng 72% ca mui natripanmitat thu c l

A. 4,17 B. 5,85 C. 6,79 D. 5,79

Cu 20: Amin R c cng thc phn t l C7H9N. S ng ph}n amin thm ca R l

A. 4 B.5 C.6 D.3

Cu 21: Thy phn ht 1 lng pentapeptit trong mi trng axit thu c 32,88 gam AlaGly

AlaGly; 10,85 gam AlaGlyAla; 16,24 gam AlaGlyGly; 26,28 gam AlaGly; 8,9 gam Alanin cn li

l GlyGly v Glyxin. T l s mol GlyGly:Gly l 10 1. Tng khi lng GlyGly v Glyxin trong hn

hp sn phm l :

A. 27,9 B. 29,7 C.13,95 D. 28,8

19

Cu 22: Cho cc phn ng di }y

(1) Tinh bt + H2O (H t0) (7) Poli(metyl acrylat) + NaOH (un nng)

(2) Policaproamit H2O (H t0) (8) Nilon-6 + H2O (H

t0)

(3) Polienantamit H2O (t0 xu c ta c H ) (9) Amilopectin H2O (t xu c ta c H

)

(4) Poliacrilonitrin + Cl2 (as) (10) Cao su thin nhin ( )

(5) Poliisopren + nS (11) Rezol (un nng )

(6) Cao su buna-N ( ) (12)Poli(hexametylen-aipamit) ( )

S phn ng thuc loi ct mch polime l:

A.9 B.6 C.7 D.8

Cu 23:A l cht hu c c cng thc phn t . A tc dng vi NaOH thu c cht kh X

lm xanh giy qu tm m, X nh hn khng kh v{ phn dung dch c cha mui Y, Y c kh nng

lm mt m{u nc brom. Cng thc ca Y l

A. HCOONa C. ( )

B. D.

Cu 24: t ch|y ho{n to{n 1,48 gam este A thu c 2,64 gam v 1,08 gam . Cng thc

phn t ca A l:

A. B. C. D.

Cu 25: X v Y l hai hp cht hu c ng phn ca nhau cng c cng thc phn t

. Thy ph}n ho{n to{n X trong NaOH d thu c hn hp cc sn phm trong c 2

mui v 1 ancol. Thy ph}n ho{n to{n Y trong KOH d thu c hn hp cc sn phm trong c

1 mui v{ 1 anehit. X v{ Y ln lt c cng thc cu to l:

A.

B.

C.

D.

Cu 26: Pht biu sau }y khng ng l{

A. Polime l hp cht c phn t khi rt ln do nhiu n v nh (gi l mt xch) lin kt vi

nhau to nn.

B. H s n gi l h s polime ha hay polime ha

C. Policaproamit l sn phm ca qu trnh trng hp caprolactam

D. Poli(hexametylen-aipamit) l{ polime trng hp

Cu 27:Khi tin h{nh ng trng hp buta-1,3-ien v{ acrilonitrin thu c mt loi polime cha

8,69% nit v khi lng. T l s mt xch buta-1,3-ien v{ acrilonitrin trong polime trn l{

A. 3:1 B. 1:2 C.2:1 D.1:1

Cu 28:Cho cc cht sau : S cp dung dch c th phn ng vi nhau l

A.4 B.5 C.6 D.3

Cu 29: C bn ng nghim ng cc hn hp sau: 1) Benzen + phenol; 2) Anilin + dung dch

(ly d); 3) Anilin +dung dch NaOH; 4) Anilin + nc.

Hy cho bit trong ng nghim no c s tch lp

A. 1, 2, 3. B. 1, 4. C. 3, 4. D. Ch c 4.

Cu 30: Hp cht X khng no mch h c cng thc phn t , khi tham gia phn ng x

phng ho| thu c mt anehit v{ mt mui ca axit hu c. C bao nhiu cng thc cu to ph

hp vi X (khng k ng phn hnh hc)

A. 4 B.3 C.2 D.5

Cu 31: Khi trng ngng 13,1 gam axit -amino caproic vi hiu sut 80%, ngoi amino axit d

ngi ta cn thu c m gam polime v{ 1,44 gam nc. Gi tr ca m l


20

Cu 32: Cho 0,15 mol hn hp X gm axit glutamic v lysin vo 200 ml dung dch HCl 1M, c

dung dch Y, Y phn ng va vi 400 ml dung dch NaOH 1M. S mol axit glutamic c trong 0,15

mol hn hp l

A. 0,100 B. 0,075 C. 0,050 D. 0,125

Cu 33: Cho cc dung dch sau: ( ) ( ) phn bit cc dung

dch trn, dng thuc th no trong s cc thuc th sau th s cn tin hnh t th nghim nht

A. B. KOH C. qu tm D ( )

Cu 34: Cho dy cc cht sau: ( ) S cht trong

dy to thnh kt ta khi phn ng vi dung dch l:

A.4 B.3 C.2 D.5

Cu 35:Hp cht A c cng thc phn t . Cho 0,1 mol A tc dng va vi dung

dch c cha 0,3 mol NaOH, thu c dung dch hn hp trong c hai cht hu c gm ancol

etylic v cht hu c X, c cn dung dch sau phn ng thu c m gam cht rn khan. Gi tr ca m

l:


Cu 36: Ln men 10 gam tinh bt iu ch ancol etylic vi hiu sut mi qu trnh l 90% thu

c x mol CO2. Mt khc ln men 45 gam tinh bt cng loi iu ch ancol etylic vi hiu sut

mi qu| trnh l{ 90% thu c y mol CO2. Nu dn x mol CO2 vo V ml dung dch Ba(OH)2 1M thu

c 2a gam kt ta, cn khi dn y mol CO2 vo V ml dung dch Ba(OH)2 1M ni trn li thu c 3a

gam kt ta. Gi tr ca V l

A.300 B.50 C.100 D.200

Cu 37: Ha tan ht 2,32 gam trong 0,1 mol thu c kh Z (sn phm kh duy

nht). Z c cng thc l

A. B. C. D. NO

Cu 38: Nhn nh n{o sau }y ng

A.Bn knh ca anion ln hn b|n knh ca cation

B.Phn nhm c tc dng l{m trong nc v to ra kt ta ( )

C.Dung dch c mi trng axit

D.Tt c cc kim loi nhm IIA u tc dng vi nc iu kin thng

Cu 39: Cho cc cht sau: phenol, xenluloz, glixerol, glucoz, saccaroz, mantoz, fructoz,

benzanehit, anehit oxalic, anehit acrylic, propanal, dung dch fomon, axit fomic, etyl fomat, natri

fomat, ivinyl oxalat, axetilen, vinylaxetilen. S cht khng tham gia phn ng tr|ng gng l{

A.7 B.4 C.5 D.6

Cu 40: Bn knh nguyn t gn ng ca nguyn t R 2000oC l 1,965.10-8 cm bit ti nhit

khi lng ring ca R bng 1,55 g/cm3. Gi thit trong tinh th cc nguyn t R c hnh cu, c

c kht l 74%. R l nguyn t.

A. Mg B. Cu C.Al D.Ca

II. PHN RING (10 cu)

Th sinh c chn mt trong hai phn (phn A hoc B)

A.Theo chng trnh chun (10 cu, t cu 41 n cu 50)

Cu 41: Cho mt s tnh cht: Cht rn kt tinh, khng mu (1); tan tt trong nc (2);tc dng vi

( ) trong NaOH un nng cho kt ta gch (3); khng c tnh kh (4); b thy ph}n n

cng cho ra 2monosaccarit (5); lm mt mu dung dch nc brom (6). Cc tnh cht ca saccaroz

l

A.(1), (3), (4) v (5) B. (1), (4), (5) v (6)

C. (1), (2), (4) v (5) D.(1), (3), (4) v (6)

Cu 42:Cho dy cc cht: Al, ( ) ( ) Zn, ZnO, ( ) , PbS, CuS, FeS,

21

, , ( ) ( ) S cht trong dy khng tc

dng vi dung dch HCl l

A.4 B.3 C. 6 D. 5

Cu 43: Cho hn hp X gm 2 kim loi Al v Ba. Tin hnh 2 th nghim

Th nghim 1: Cho m gam X v{o nc d thu c 1,344 lit ( ktc)

Th nghim 2: Cho 2m gam X vo dung dch ( ) d thu c 20,832 lit ( ktc)

Gi tr ca m l

A. 9,155 B. 11,850 g C. 2,055 g D. 10,155 g

Cu 44: Sc V lt (ktc) v{o 200 ml dung dch ( ) . Sau phn ng thu c 15 gam kt

ta. Lc b kt ta, cho thm vi git NaOH vo dung dch li thy xut hin kt ta. Gi tr ca V l

A. 6,72 B.2,24 C.5,60 D.3,36

Cu 45: Pht biu n{o sau }y ng

A.Qung apatit l nguyn liu iu ch photpho trong cng nghip

B.Toluen l nguyn liu sn xut axit axetic

C.Qung olomit l{ nguyn liu sn xut nhm

D.Qung boxit l nguyn liu iu ch canxi

Cu 46: Dy gm cc cht c th iu ch trc tip c axit axetic l:

A. B.

C. D.

Cu 47: Cho lung kh H2 (d) qua hn hp cc oxit nung nhit

cao. Sau phn ng hn hp rn cn li l:

A. . B. .

C. D.

Cu 48: Thc hin cc th nghim sau:

(1) Nung rn. (5) un nng NaCl tinh th vi dung dch (c).

(2) Cho vo dung dch HCl c. (6) Sc kh vo dung dch ( ) (d).

(3) Sc kh SO2 vo dung dch . (7) Cho dung dch vo dung dch .

(4) Cho CuS vo dung dch HCl (long). (8) Cho vo dung dch ( ) .

S th nghim sinh ra cht kh l

A. 4. B. 5. C. 2. D. 6.

Cu 49: Cho mt lung kh CO i qua ng s nung nng cha m gam 3 oxit vi s

mol bng nhau. CO phn ng ht. Cn li cht rn c khi lng 19,20 gam gm

cho tc dng vi dung dch ung nng, d c 2,24 lt kh NO duy nht ( ktc). S mol

~ tham gia phn ng l


Cu 50: Ha tan hon ton 80 gam hn hp X gm ( ) trong S chim

22,5% v khi lng trong nc c dung dch X. Thm NaOH d v{o X, lc kt ta em nung

trong khng kh n khi lng khng i thu c cht rn Y, thi CO d qua Y thu c hn hp

rn Z. Bit cc phn ng xy ra hon ton. Khi lng ca Z l


B.Theo chng trnh nng cao (10 cu, t cu 51 n cu 60)

Cu 51: Cho cc dung dch: glucoz, glixerol, etanol, lng trng trng. Thuc th c th dng

phn bit l

A. dd NaOH B. dd C. ( ) D.dd

Cu 52: Hp cht hu c Z c cng thc phn t l . S ng phn amin bc I ca Z l

A. 7 B.8 C.6 D.5

Cu 53:Hn hp X gm ( ) c tng khi lng l 83,68 gam. Nhit phn

ho{n to{n X thu c 17,472 lt (ktc) v{ cht rn Y gm v KCl. Y tc dng va 0,36 lt

22

dung dch thu c dung dch Z. Lng KCl trong Z nhiu gp 22/3 ln lng KCl trong

X. Phn trm khi lng trong X l

A. 47,62% B. 58,55% C. 81,37%. D. 23,51%.

Cu 54: Cho bt Fe vo dung dch v . n phn ng ho{n thu c dung dch A, hn

hp kh X gm NO v c v cht rn khng tan. Bit dung dch A khng cha mui amoni. Trong

dung dch A cha cc mui:

A ( ) . B. ( ) .

C. . D. ( ) .

Cu 55: Cho bit th in cc chun ca cc cp oxi ho kh:

ln lt l 0,00V; -0,76V; +0,34V; +0,80V. Sut in ng ca pin in ho| n{o sau }y ln nht?

A. B. .

C. . D.

Cu 56: Hn hp bt X gm ( ) ( ) Nung X trong khng kh n

khi lng khng i c hn hp rn A1. Cho A1 v{o nc d khuy u c dung dch B cha

2 cht tan v phn khng tan C1. Cho kh CO d qua bnh cha C1 nung nng c hn hp rn E

(Cho cc phn ng xy ra hon ton). E cha ti a:

A. 1 n cht v 2 hp cht. B. 3 n cht.

C. 2 n cht v 2 hp cht. D. 2 n cht v 1 hp cht.

Cu 57: Ho tan hon ton hn hp gm 0,05 mol FeS2 v a mol FeS vo axit HNO3 (va ), thu

c dung dch X (ch cha mt mui sunfat) v V lt kh NO sn phm kh duy nht ( ktc). Gi| tr

ca V l

A. 4,48 B. 8,96 C. 11,2. D. 17,92.

Cu 58:Axeton khng tc dng vi cht no trong s cc cht sau

A. trong C. xc tc Ni,

B.HCN trong nc D. trong nc

Cu 59: Cho c|c polime sau: t nilon-6,6; poli(vinyl ancol); t capron; teflon; nha novolac; t

lapsan, t nitron, cao su buna-S. Trong s polime trng hp l:

A. 3 B. 5 C. 6 D. 4

Cu 60: Cho cc kim loi v ion sau: ( )

Nguyn t v ion c cng s electron c thn l:

A. Cr v Mn B. C. D.

---HT---

23

s 3: thi HSG Thi Bnh 2009-2010

Cu 1: D~y gm c|c cht u c kh nng l{m i m{u dung dch qu tm l{

A. CH3NH2, C2H5NH2, HCOOH B. C6H5NH2, C2H5NH2, HCOOH

C. CH3NH2, C2H5NH2, H2N-CH2-COOH D. CH3NH2, C6H5OH, HCOOH

Cu 2: Thu ph}n ho{n to{n 34,2 gam saccaroz. Ly to{n b sn phm X ca phn ng thu ph}n

cho t|c dng vi lng d AgNO3/NH3 thu c a gam kt ta. Cn nu cho to{n b sn phm X t|c

dng vi dung dch nc brom d th c b gam brom phn ng.Gi| tr ca a, b ln lt l{

A. 43,2 v 32 B. 43,2 v 16 C. 21,6 v 16 D. 21,6 v 32

Cu 3:Cho dung dch NaOH d v{o 100 ml dung dch cha ng thi Ba(HCO3)2 0,5 M v BaCl2 0,4

M th thu c bao nhiu gam kt ta?


Cu 4: Cho 18,3 gam hn hp X gm Na v{ Ba v{o nc thu c dung dch Y v{ 4,48 lt H2 (ktc).

X|c nh th tch CO2 (ktc) cho v{o dung dch Y thu c kt ta cc i?

A. 1,12 lt V 6,72 lt B. 2,24 lt V 6,72 lt

C. 2,24 lt V 4,48 lt D. 4,48 lt V 6,72 lt

Cu 5: Thu ph}n c|c cht sau trong mi trng kim: CH3CHCl2(1), CH3COOCH=CH-CH3(2),

CH3COOC(CH3)=CH2(3), CH3CH2CCl3(4), CH3COO-CH2-OOCCH3(5), HCOOC2H5 (6). Nhm c|c cht

sau khi thu ph}n c sn phm tham gia phn ng tr|ng gng l{

A. (1),(4),(5),(6) B. (1),(2),(5),(3) C. (1),(2),(5),(6) D.(1),(2),(3), (6)

Cu 6:Cho dung dch NH3 d v{o dung dch X gm AlCl3, ZnCl2 v FeCl3 thu c kt ta Y. Nung kt

ta Y thu c cht rn Z. Cho lung kh H2 d qua Z (un nng) thu c cht rn T. C|c phn ng

xy ra ho{n to{n.Trong T c cha

A. Al2O3, Zn B. Al2O3, Fe C. Fe D. Al2O3, ZnO, Fe

Cu 7: Hai cht n{o di }y khi tham gia phn ng trng ngng to t nilon-6,6?

A. Axit glutamic v{ hexametyleniamin B. Axit aipic v{ hexametyleniamin

C. Axit picric v{ hexametyleniamin D.Axit aipic v{ etilen glycol

Cu 8: Ho tan hon ton 0,1 mol FeS2 trong dung dch HNO3 c nng. Tnh th tch kh NO2 bay ra

(ktc) v{ s mol HNO3 (ti thiu) phn ng (bit rng lu hunh trong FeS2 b oxi ho| ln s oxi ho| cao

nht)

A. 33,6 lt v 1,4 mol B. 33,6 lt v 1,5 mol C. 22,4 lt v 1,5 mol D. 33,6 lt v 1,8 mol

Cu 9. Trong 2 lt dung dch HF c cha 4 gam HF nguyn cht c in li ( = 8%). pH ca dung dch

HF l

A. 1,34 B. 2,50 C. 2,097 D. 1

Cu 10: un nng m gam hn hp X gm C2H2, C2H4 v H2 vi xc t|c Ni n phn ng xy ra ho{n

to{n, thu c 8,96 lt (ktc) hn hp Y (c t khi so vi hir bng 8). t ch|y ho{n to{n cng lng

hn hp X trn, ri cho sn phm ch|y hp th ho{n to{n trong dung dch nc vi trong d th khi

lng kt ta thu c l{


Cu 11: un nng glixerol vi hn hp hai axit bo n chc c mt H2SO4 c xc t|c thu c ti

a bao nhiu cht bo?

A. 8 B. 4 C. 10 D. 6

Cu 12:Cho phng trnh ion rt gn: aZn + b + c d

+ eNH3 + gH2O

Tng c|c h s (c|c s nguyn ti gin) ca c|c cht tham gia phn ng (a+b+c) l{

A.12 B.9 C.11 D.10

Cu 13: Cho c|c cht C4H10O,C4H9Cl,C4H10,C4H11N. S ng ph}n cu to ca c|c cht gim theo th t

l

A. C4H11N, C4H10O, C4H9Cl, C4H10 B. C4H10O, C4H9Cl, C4H11N, C4H10

24

C. C4H10O, C4H9Cl, C4H10,C4H11N. D. C4H10O, C4H11N, C4H10, C4H9Cl

Cu 14: Cho nhng nhn xt sau :

1- iu ch kh H2S ngi ta cho mui sunfua t|c dng vi c|c dung dch axit mnh nh HCl,

HNO3, H2SO4(c)

2- Dung dch HCl c, S, SO2, FeO va c kh nng th hin tnh kh va c kh nng th hin tnh oxi

ho.

3- V hp bo qun thc phm l{m bng st t}y (st tr|ng thic) b x}y s|t ti lp st bn

trong, khi ngo{i khng kh m th thic b n mn trc.

4- Hn hp BaO v{ Al2O3 c th tan ho{n to{n trong nc.

5- Cho dung dch NaOH d v{o dung dch Ca(HCO3)2 th thy xut hin kt ta.

6- Hn hp bt gm Cu v{ Fe3O4 c th tan ho{n to{n trong dung dch H2SO4 long.

S nhn xt ng l

A. 3 B. 4 C. 5 D. 6

Cu 15: Mt hp cht hu c X mch h cha (C,H,O) c khi lng ph}n t l{ 60(u). X t|c dng

vi Na gii phng H2. S c|c cht tho m~n gi thit trn l{

A. 5 B. 2 C. 3 D. 4

Cu 16 :Hn hp X gm mt hirocacbon th kh v{ H2 (t khi hi ca X so vi H2 bng 4,8). Cho

X i qua Ni un nng n phn ng ho{n to{n thu c hn hp Y (t khi hi ca Y so vi CH4

bng 1). Cng thc ph}n t ca hirocacbon l{

A. C2H2 B. C3H6 C. C3H4 D. C2H4

Cu 17:X l{ mt hp cht c cng thc ph}n t C6H10O5 :

X + 2NaOH 2Y + H2O Y + HCl(long) Z + NaCl

H~y cho bit khi cho 0,1mol Z t|c dng vi Na d thu c bao nhiu mol H2?


Cu 18: Cho c|c cp dung dch sau: (1) Na2CO3 v AlCl3; (2) NaNO3 v FeCl2; (3) HCl v Fe(NO3)2

(4) NaHCO3 v BaCl2; (5) NaHCO3 v NaHSO4 .

H~y cho bit cp n{o xy ra phn ng khi trn c|c cht trong c|c cp vi nhau?

A. (1), (3), (4) B. (1), (4), (5) C. (1), (3), (5) D. (3), (2), (5)

Cu 19: Cho t t 100 ml dung dch HCl 1,5M v{o 0,4 lt dung dch X gm Na2CO3 v KHCO3 thu

c 1,008 lt CO2 (ktc) v{ dung dch Y. Thm dung dch Ba(OH)2 d v{o dung dch Y thu c

29,55 gam kt ta. Nng mol/lit ca Na2CO3 v KHCO3 trong dung dch X ln lt l{

A. 0,0375 v 0,05 B. 0,2625 v 0,225 C. 0,1125 v 0,225 D.0,2625 v 0,1225

Cu 20: Khi cracking V lt butan c hn hp A ch gm c|c anken v{ ankan. T khi hi ca hn

hp A so vi H2 bng 21,75. Hiu sut ca phn ng crckinh butan l{ bao nhiu?

A. 33,33% B. 50.33% C. 46,67% D. 66,67%

Cu 21:Cho s sau:

X (C4H9O2N)

X1 X2

X3

H2N-CH2COOK

Vy X2 l:

A. H2N-CH2-COOH B. ClH3N-CH2COOH C. H2N-CH2-COONa D. H2N-CH2-COOC2H5

Cu 22: Cho a gam mt axit n chc phn ng va vn vi gam Na. Axit l{

A. C2H5COOH B. C2H3COOH C. HCOOH D. CH3COOH

Cu 23:Nhng thanh Mg v{o dung dch cha 0,1 mol mui sunphat ca mt kim loi M, sau phn ng

ho{n to{n ly thanh Mg ra thy khi lng thanh Mg tng 4,0 gam. C bao nhiu mui tho m~n?

A. 2 B. 0 C. 3 D. 1

0t C

a

2

25

Cu 24: X v{ Y ln lt l{ c|c tripeptit v{ tetrapeptit c to th{nh t cng mt amino axit no mch h,

c mt nhm -COOH v{ mt nhm -NH2. t ch|y ho{n to{n 0,1 mol Y thu c sn phm gm CO2, H2O,

N2, trong tng khi lng ca CO2 v H2O l{ 47,8 gam. Nu t ch|y ho{n to{n 0,3 mol X cn bao nhiu

mol O2?


Cu 25:Nguyn t nguyn t X c ph}n lp e lp ngo{i cng l{ 3p. Nguyn t ca nguyn t Y c

ph}n lp e lp ngo{i cng l{ 3s. Tng s e hai ph}n lp ngo{i cng ca X v{ Y l{ 7. Bit rng X v{ Y

d phn ng vi nhau. S hiu nguyn t ca X v{ Y ln lt l{

A. 18 v 11 B. 13 v 15 C. 12 v 16 D. 17 v 12

Cu 26: Cho c|c dung dch c cng nng mol/l: NaHCO3(1); Na2CO3(2); NaCl(3); NaOH(4). pH

ca dung dch tng theo th t l{

A. (1), (2), (3), (4) B. (3), (2), (4), (1) C. (2), (3), (4), (1) D. (3), (1), (2), (4)

Cu 27: Cho 0,15 mol este X mch h v{o 150 gam dung dch NaOH 8%, un nng phn ng

thu ph}n este xy ra ho{n to{n thu c 165 gam dung dch Y. C cn dung dch Y thu c 22,2

gam cht rn khan. H~y cho bit X c bao nhiu cng thc cu to tho m~n?

A. 3 B. 4 C. 1 D. 2

Cu 28: Hn hp X gm Zn, Fe, Cu. Cho 18,5 gam hn hp X t|c dng vi dung dch HCl d thu c

4,48 lit H2(ktc). Mt kh|c cho 0,15 mol hn hp X phn ng va vi 3,92 lt kh Cl2 (ktc). S

mol Fe c trong 18,5 gam hn hp X l{


Cu 29: Nguyn t khi trung bnh ca Clo bng 35,5. Clo c hai ng v v . Phn trm

khi lng ca c trong axit pecloric l{ gi| tr n{o sau }y? (cho H=1; O=16)

A. 30,12% B. 26,92% C. 27,2% D. 26,12%

Cu 30: Cho c|c s phn ng sau

- X1 + X2 X4 + H2

- X3 + X4 CaCO3 + NaOH

- X3 + X5 + X2 Fe(OH)3 + NaCl + CO2

C|c cht thch hp vi X3, X4, X5 ln lt l{

A. Ca(OH)2, NaHCO3, FeCl3 B. Na2CO3, Ca(OH)2, FeCl2

C. Na2CO3, Ca(OH)2, FeCl3 D. Ca(OH)2, NaHCO3, FeCl2

Cu 31:Ho{ tan ht hn hp rn gm CaC2, Al4C3 v Ca vo H2O thu c 3,36 lt hn hp kh X c t

khi so vi hiro bng 10. Dn X qua Ni un nng thu c hn hp kh Y. Tip tc cho Y qua bnh

ng nc brom d th c 0,784 lt hn hp kh Z (t khi hi so vi He bng 6,5). C|c kh o iu

kin tiu chun. Khi lng bnh brom tng l{

A. 2,09 gam B. 3,45gam C. 3,91 gam D. 1,35 gam

Cu 32:Hp cht hu c X c cng thc ph}n t C4H6O2Cl2 khi thu ph}n ho{n to{n trong mi

trng kim un nng thu c c|c sn phm ch gm hai mui v{ nc. Cng thc cu to ng

ca X l{

A. C2H5COOC(Cl2)H C. HCOO-C(Cl2)C2H5

B. CH3COOCH(Cl)CH2Cl D. CH3-COOC(Cl2)CH3

Cu 33: t ch|y ho{n to{n a mol anehit X (mch h) to ra b mol CO2, c mol H2O (bit b=a+c).

Trong phn ng tr|ng gng 1 ph}n t X ch cho 2 electron. X l{ anehit c c im g?

A. No, n chc B. Khng no, n chc, c mt ni i

C. No, hai chc D. Khng no, n chc, c hai ni i

Cu 34: iu ch O2 trong phng th nghim t thuc tm, kaliclorat, hiropeoxit, natrinitrat (c s

mol bng nhau). Lng O2 thu c nhiu nht t

A. thuc tm B. kaliclorat C. natrinitrat D. hiropeoxit (H2O2)

35

17Cl37

17Cl

26

Cu 35: Este X c cng thc ph}n t l{ C5H10O2. Thy ph}n X trong NaOH thu c ru Y.

hirat ha ru Y thu c hn hp 3 anken. Vy tn gi ca X l{

A. tert-butyl fomiat B. iso-propyl axetat C. etyl propionat D. sec-butyl fomiat

Cu 36: Trn 100 ml dung dch NaOH 2,5M vi 100ml dung dch H3PO4 1,6M thu c dung dch X.

X|c nh c|c cht tan c trong X?

A. Na3PO4, NaOH B. NaH2PO4, H3PO4 C. Na3PO4, Na2HPO4 D.Na2HPO4, NaH2PO4

Cu 37: Cho c|c cht lng C2H5OH, C6H5OH, C6H5NH2, c|c dung dch C6H5ONa, NaOH, CH3COOH, HCl.

Cho c|c cht trn t|c dng vi nhau tng i mt iu kin thch hp. S cp cht xy ra phn ng

ho| hc l{ A. 9 B. 10 C. 11 D. 8

Cu 38: Hp cht X c cha vng benzen v{ c cng thc ph}n t l{ C7H6Cl2. Thy ph}n ho{n to{n X

trong NaOH c d, t0 cao, p cao thu c cht Y c cng thc ph}n t l{ C7H7O2Na. Cho bit X c bao

nhiu cng thc cu to tha m~n?

A. 3 B. 5 C. 4 D. 2

Cu 39: Cho s sau:

Cu + dd mui X khng phn ng; Cu + dd mui Y khng phn ng.

Cu + dd mui X + dd mui Y phn ng

Vi X, Y l{ mui ca natri. Vy X,Y c th l{

A. NaAlO2, NaNO3 B. NaNO3, NaHCO3 C. NaNO3, NaHSO4 D. NaNO2, NaHSO3

Cu 40:Hp cht X l{ dn xut ca benzen c cng thc ph}n t C8H10O2. X tc dng vi NaOH theo

t l mol 1:1. Mt kh|c cho X t|c dng vi Na th s mol H2 thu c ng bng s mol ca X ~ phn

ng. Nu t|ch mt ph}n t H2O t X th to ra sn phm c kh nng trng hp to polime. S cng

thc cu to ph hp ca X l{

A. 9 B. 2 C. 6 D. 7

Cu 41:Cho c|c cht sau C2H5OH(1), CH3COOH(2), CH2=CH-COOH(3), C6H5OH(4), p-CH3-C6H4OH(5),

C6H5-CH2OH(6). Sp xp theo chiu tng dn linh ng ca nguyn t H trong nhm -OH ca c|c

cht trn l{

A. (1), (5), (6), (4), (2), (3) B. (1), (6), (5), (4), (2), (3)

C. (1), (6), (5), (4), (3), (2) D. (3), (6), (5), (4), (2), (1)

Cu 42:Tin h{nh trng hp 1mol etilen iu kin thch hp, em sn phm sau trng hp t|c

dng vi dung dch brom th lng brom phn ng l{ 36 gam. Hiu sut phn ng trng hp v{

khi lng poli etilen (PE) thu c l{

A. 85% v 23,8 gam B. 77,5 % v 22,4 gam C. 77,5% v 21,7 gam D. 70% v 23,8 gam

Cu 43: Mt hp cht hu c X c cng thc ph}n t C3H10O3N. Cho X phn ng vi NaOH d, c

cn dung dch sau phn ng thu c cht rn Y (ch c c|c hp cht v c) v{ phn hi Z (ch c

mt hp cht hu c no, n chc mch khng ph}n nh|nh). Cng thc cu to ca X l{

A. HCOONH3CH2CH2NO2 B. HO-CH2-CH2-COONH4

C. CH3-CH2-CH2-NH3NO3 D. H2N-CH(OH)CH(NH2)COOH

Cu 44: Ho{ tan ho{n to{n 74 gam hn hp X gm FeO, Fe3O4, Fe2O3 bng dung dch H2SO4 long

d sinh ra 178 gam mui sunfat. Nu cng cho 74 gam hn hp X trn phn ng vi lng d kh

CO nhit cao v{ dn sn phm kh qua dung dch nc vi trong d th khi lng (gam) kt

ta to th{nh l{ bao nhiu? (c|c phn ng xy ra ho{n to{n)

A. 130 B. 180 C. 150 D. 240

Cu 45: ph}n bit hai ng ph}n glucoz v{ fructoz ngi ta c th dng

A. nc vi trong B. nc brom C. dd AgNO3/NH3 D.Cu(OH)2/NaOH

Cu 46:Cho 10,32 gam hn hp X gm Cu, Ag t|c dng va vi 160 ml dung dch Y gm HNO31M

v H2SO4 0,5 M thu c kh NO duy nht v{ dung dch Z cha m gam cht tan. Gi| tr ca m l{

A. 20,36 B. 18,75 C. 22,96 D. 23,06

27

Cu 47:Amino axit mch khng ph}n nh|nh X cha a nhm -COOH v b nhm -NH2. Khi cho 1mol X

t|c dng ht vi axit HCl thu c 169,5 gam mui. Cho 1 mol X t|c dng ht vi dung dch NaOH

thu c 177 gam mui. Cng thc ph}n t ca X l{

A. C4H7NO4 B. C3H7NO2 C. C4H6N2O2 D. C5H7NO2

Cu 48:C hai bnh kn khng gi~n n ng y c|c hn hp kh toC nh sau: - Bnh (1) cha H2 v Cl2

- Bnh (2) cha CO v{ O2

Sau khi un nng c|c hn hp phn ng xy ra, a nhit v trng th|i ban u th |p sut

trong c|c bnh thay i nh th n{o?

A. Bnh (1) gim, bnh (2) tng. B. Bnh (1) khng i, bnh (2) gim.

C. Bnh (1) tng, bnh (2) gim. D. Bnh (1) khng i, bnh (2) tng.

Cu 49: Cho hn hp dng bt gm Al v{ Fe v{o 100 ml dung dch CuSO4 0,75 M, khuy k hn

hp phn ng xy ra ho{n to{n thu c 9 gam cht rn A gm hai kim loi. ho{ tan ho{n

to{n cht rn A th cn t nht bao nhiu lt dung dch HNO3 1M (bit phn ng to ra sn phm kh

NO duy nht)?

A. 0,6 lit B. 0,5 lit C. 0,4 lt D. 0,3 lit

Cu 50: Cho 11,6 gam FeCO3 t|c dng va vi dung dch HNO3 thu c hn hp kh (CO2, NO)

v{ dung dch X. Khi thm dung dch HCl d v{o dung dch X th ho{ tan ti a c bao nhiu gam

bt Cu (bit c kh NO bay ra)

A. 28,8 gam B. 16 gam C. 48 gam D. 32 gam

--- HT ---

28


Cu 1: t ch|y ho{n to{n 8,0 gam hn hp X gm hai ankin (th kh nhit thng) thu c

26,4 gam CO2. Mt kh|c, cho 8,0 gam hn hp X t|c dng vi dung dch AgNO3 trong NH3 d n khi

phn ng ho{n to{n thu c lng kt ta vt qu| 25 gam. Cng thc cu to ca hai ankin trn

l

A. CHCH v{ CH3-CCH. B. CHCH v{ CH3-CH2-CCH.

C. CHCH v{ CH3-CC-CH3. D. CH3-CCH v{ CH3-CH2-CCH.

Cu 2: C 500 ml dung dch X cha Na+, ,

v . Ly 100 ml dung dch X t|c dng vi

lng d dung dch HCl thu c 2,24 lt kh. Ly 100 ml dung dch X cho t|c dng vi lng d dung

dch BaCl2 thu c 43 gam kt ta. Ly 200 ml dung dch X t|c dng vi lng d dung dch NaOH thu

c 8,96 lt kh NH3. C|c phn ng ho{n to{n, c|c th tch kh u o ktc. Tnh tng khi lng

mui c trong 300 ml dung dch X ?

A. 23,8 gam. B. 86,2 gam. C. 71,4 gam. D. 119 gam.

Cu 3: x{ phng ha 1,0 kg cht bo c ch s axit bng 7, ngi ta un cht bo vi 142 gam

NaOH trong dung dch. Sau khi c|c phn ng xy ra ho{n to{n, trung ha NaOH d cn va 50 ml

dung dch HCl 1M. Khi lng glixerol thu c t phn ng x{ phng ha l

A. 145,2 gam. B. 134,5 gam C. 120,0 gam. D. 103,5 gam.

Cu 4:Cho c|c cp cht sau:

(1). Kh Cl2 v kh O2. (6). Dung dch KMnO4 v kh SO2.

(2). Kh H2Sv kh SO2. (7). Hg v S.

(3). Kh H2S v{ dung dch Pb(NO3)2. (8). Kh CO2 v{ dung dch NaClO.

(4). Kh Cl2 v{ dung dch NaOH. (9). CuS v{ dung dch HCl.

(5).Kh NH3 v{ dung dch AlCl3. (10).Dung dch AgNO3v{ dung dch Fe(NO3)2

S cp cht xy ra phn ng ha hc nhit thng l{

A. 8. B. 7. C. 9. D. 10.

Cu 5: Cho c|c cht sau: HOOC-COONa, K2S, H2O, KHCO3, Al(OH)3, Al, KHSO4, Zn, (NH4)2SO3. S cht

c tnh lng tnh l{

A. 6. B. 5. C. 4. D. 7.

Cu 6: Cho phng trnh ha hc:

aFeSO4 + bKMnO4 + cNaHSO4 xFe2(SO4)3 + yK2SO4 + zMnSO4 + tNa2SO4 + uH2O

vi a,b,c,x,y,z,t,u l{ c|c s nguyn ti gin. Tng h s c|c cht trong phng trnh ha hc trn l{

A. 46. B. 50. C. 52. D. 28.

Cu 7: nhit khng i, h c}n bng n{o b chuyn dch theo chiu thun khi tng |p sut ca

h ?

A. 2NO(kh) N2(kh) + O2 (kh) B. N2(kh) + 3H2(kh) 2NH3(kh)

C. 2CO2(kh) 2CO(kh) + O2 (kh) D. 2SO3(kh) 2SO2(kh) + O2(kh)

Cu 8: im ging nhau ca glucoz v{ saccaroz l{

A. u phn ng vi dung dch AgNO3 trong NH3 to Ag.

B. u phn ng vi Cu(OH)2 to dung dch m{u xanh lam.

C. u b thu ph}n trong dung dch axit.

D. u phn ng vi H2 c xc t|c Ni nung nng cng thu c mt ancol a chc.

Cu 9: Hp cht X cha vng benzen, c cng thc ph}n t CxHyN. Khi cho X t|c dng vi dung dch

HCl thu c mui Y c cng thc dng RNH3Cl (R l{ gc hirocacbon). Phn trm khi lng ca

nit trong X l{ 13,084%. S ng ph}n cu to ca X tha m~n c|c iu kin trn l{

A. 4. B. 5. C. 3. D. 6.

Cu 10: Cho s phn ng sau:

29

Anehit no, mch h X1 X2 X3 Cao su buna.

Anehit no mch h X4 X5 X3 Cao su buna.

H~y cho bit: khi cho X1 v X4 vi khi lng bng nhau t|c dng ho{n to{n vi dung dch AgNO3

trong NH3 un nng, cht n{o to ra lng Ag nhiu hn ?

A. X1. B. bng nhau. C. X4. D. khng x|c nh c.

Cu 11: Nhit ph}n ho{n to{n R(NO3)2 (vi R l{ kim loi) thu c 8 gam mt oxit kim loi v{ 5,04

lt hn hp kh X gm NO2 v O2 (o ktc). Khi lng ca hn hp kh X l{ 10 gam. X|c nh cng thc

ca mui R(NO3)2 ?

A. Mg(NO3)2. B. Zn(NO3)2. C. Cu(NO3)2. D. Fe(NO3)2.

Cu 12: C bao nhiu nguyn t ha hc m{ nguyn t c electron cui cng in v{o ph}n lp 4s?

A. 2. B. 1. C. 9. D. 12.

Cu 13: Oxi ha anehit X n chc bng O2 (xc t|c thch hp) vi hiu sut phn ng l{ 75% thu

c hn hp Y gm axit cacboxylic tng ng v{ anehit d. Trung ha axit trong hn hp Y cn

100ml dung dch NaOH 0,75M ri c cn dung dch sau phn ng thu c 5,1 gam cht rn khan.

Nu cho hn hp Y t|c dng ho{n to{n vi dung dch AgNO3 trong NH3 d, un nng th thu c

khi lng Ag l{


Cu 14: Khi nung butan vi xc t|c thch hp thu c hn hp T gm CH4, C3H6, C2H4, C2H6, C4H8,

H2 v C4H10 d. t ch|y ho{n to{n hn hp T thu c 8,96 lt CO2 (o ktc) v{ 9,0 gam H2O. Mt

kh|c, hn hp T l{m mt m{u va ht 12 gam Br2 trong dung dch nc brom. Hiu sut phn ng

nung butan l

A. 45%. B. 75%. C. 50%. D. 65%.

Cu 15: Cho 0,1 mol -amino axit X t|c dng va vi 50 ml dung dch HCl 2M. Trong mt th

nghim kh|c, cho 26,7 gam X v{o dung dch HCl d, sau c cn cn thn dung dch thu c 37,65

gam mui khan. Vy X l{:

A. Alanin. B. Valin. C. Glyxin. D. Axit glutamic.

Cu 16: Thy ph}n m (gam) xenluloz trong mi trng axit. Sau mt thi gian phn ng, em

trung ha axit bng kim, sau cho hn hp t|c dng ho{n to{n vi dung dch AgNO3 trong NH3

thu c m (gam) Ag. X|c nh hiu sut ca phn ng thy ph}n xenluloz ?

A. 50%. B. 75%. C. 80%. D. 66,67%.

Cu 17: Trong phng th nghim, hirohalogenua (HX) c iu ch t phn ng sau:

NaX(rn) + H2SO4(c, nng) NaHSO4 (hoc Na2SO4) + HX (kh).

H~y cho bit phng ph|p trn c th dng iu ch c hirohalogenua n{o sau }y ?

A. HCl, HBr v HI. B. HF v HCl. C. HF, HCl, HBr, HI. D. HBr v HI.

Cu 18: Hp cht X c cng thc ph}n t l{ C5H8O2. Cho 10 gam X t|c dng ho{n to{n, va vi

dung dch NaOH thu c dung dch Y. Ly to{n b dung dch Y t|c dng ho{n to{n vi dung dch

AgNO3 trong NH3 un nng thu c 43,2 gam Ag. S ng ph}n cu to ca X tha m~n c|c iu

kin trn l{

A. 2. B. 1. C. 3 D. 4.

Cu 19: Cho c|c trng hp sau:

(1). O3 t|c dng vi dung dch KI. (5). KClO3 t|c dng vi dung dch HCl c, un nng.

(2). Axit HF t|c dng vi SiO2. (6). un nng dung dch b~o ha gm NH4Cl v NaNO2.

(3). MnO2 t|c dng vi dung dch HCl c, nng. (7). Cho kh NH3 qua CuO nung nng.

(4). Kh SO2 t|c dng vi nc Cl2.

S trng hp to ra n cht l{

A. 5. B. 6. C. 4. D. 3.

o2+ H /Ni,t 2-H O

ot ,p,xto

2+ H /Ni,t 2 2-H O,-Hot ,p,xt

30

Cu 20: Cho hn hp X gm 8,4 gam Fe v{ 6,4 gam Cu v{o dung dch HNO3. Sau khi phn ng ho{n

to{n thu c 3,36 lt kh NO (l{ sn phm kh duy nht, ktc). Khi lng mui thu c sau phn

ng:

A. 41,3 gam. B. 41,1gam. C. 36,3 gam. D. 42,7 gam.

Cu 21: Cht A mch h c cng thc CxHyCl2. Khi cho tt c c|c ng ph}n ca A t|c dng ho{n

to{n vi dung dch NaOH un nng thu c hn hp sn phm trong c ba ancol c kh nng

ha tan c Cu(OH)2 to th{nh dung dch m{u xanh lam. Cng thc ph}n t ca A l{

A. C3H6Cl2. B. C4H8Cl2. C. C5H10Cl2. D. C4H6Cl2.

Cu 22: Cho c|c cht sau:

1) axit 2-hiroxipropan-1,2,3-tricacboxylic (c trong qu chanh)

2) axit 2-hiroxipropanoic (c trong sa chua).

3) axit 2-hiroxibutanioic (c trong qu t|o).

4) axit 3-hiroxibutanoic (c trong nc tiu ca ngi bnh tiu ng).

5) axit 2,3-ihiroxibutanioic (c trong ru vang).

Th t sp xp c|c axit trn theo chiu tnh axit mnh dn t tr|i sang phi l{

A. 2,4,5,3,1. B. 4,2,3,5,1. C. 2,3,4,5,1. D. 4,3,2,1,5.

Cu 23: Hn hp X gm ancol metylic v{ ancol A no, n chc, mch h.Cho 7,6 gam X t|c dng vi Na d

thu c 1,68 lt H2 (o ktc). Mt kh|c oxi ha ho{n to{n 7,6 gam X bng CuO nung nng ri cho to{n

b sn phm thu c t|c dng ho{n to{n vi dung dch AgNO3 trong NH3 d thu c 21,6 gam kt ta.

Cng thc cu to ca A l{

A. CH3CH(OH)CH3. B. CH3CH2CH(OH)CH3. C. CH3CH2CH2OH. D. C2H5OH.

Cu 24: t ch|y ho{n to{n 0,1 mol cht hu c X l{ dn xut ca benzen thu c CO2 c khi

lng nh hn 35,2 gam. Bit rng a (mol) X phn ng va vi 500 ml dung dch NaOH 2a(M).

Cng thc cu to ca X l{

A. HO-CH2-C6H4-COOH. B. HO-C6H4-CH2OH.

C. C6H5-CH2OH. D. C6H4(OH)2.

Cu 25: Cho mt ipeptit Y c cng thc ph}n t C6H12N2O3. S ng ph}n peptit ca Y (ch cha

gc -amino axit) mch h l{

A. 6. B. 7. C. 5. D. 4.

Cu 26: Ha tan 10,65 gam hn hp gm mt oxit kim loi kim v{ mt oxit kim loi kim th bng

dung dch HCl d c dung dch X. C cn dung dch X, ly mui khan em in ph}n nng chy

ho{n to{n vi in cc tr th thu c 3,36 lt kh (o ktc) anot v{ a (gam) hn hp kim loi

catot. Gi| tr ca a l{

A. 9,45. B. 5,85. C. 8,25. D. 9,05.

Cu 27: C 49,125 gam cao su buna-S phn ng va ht vi 30 gam brom trong CCl4. T l s mt

xch stiren v{ butaien trong loi cao su trn tng ng l{

A. 1: 2 B. 2: 3. C. 2: 1. D. 1: 3.

Cu 28: Cho kh CO qua hn hp T gm Fe v{ Fe2O3 nung nng thu c hn hp kh B v{ hn hp cht

rn D. Cho B qua dung dch Ca(OH)2 d thu c 6 gam kt ta. Mt kh|c, ha tan hn hp D bng dung

dch H2SO4 c, nng, d thu c 0,18 mol SO2 (sn phm kh duy nht) v{ 24 gam mui. Phn trm s

mol ca Fe trong hn hp T l{

A. 80%. B. 45%. C. 50%. D. 75%.

Cu 29: Trong s c|c loi t sau: t lapsan, t nitron, t visco, t nilon-6,6, t axetat, t capron, t

nilon-7. C bao nhiu loi t thuc loi t nh}n to?

A. 1. B. 3. C. 4. D. 2.

Cu 30: Thc hin c|c th nghim sau:

TN 1: Trn 0,015 mol ancol no X vi 0,02 mol ancol no Y ri cho hn hp t|c dng ht vi Na c 1,008 lt

H2

Trang 3/4 - M thi 132

31

TN 2: Trn 0,02 mol ancol X vi 0,015 mol ancol Y ri cho hn hp t|c dng ht vi Na c 0,952 lt H2.

TN 3: t ch|y ho{n to{n mt lng hn hp ancol nh trong th nghim 1 thu c 6,21 gam hn

hp gm CO2 v H2O.

Bit th tch c|c khi o ktc v{ c|c ancol u mch h. Cng thc 2 ancol X v{ Y ln lt l{

A. C2H4(OH)2 v C3H5(OH)3. B. C2H5OH v C3H7OH.

C. C3H6(OH)2 v C3H5(OH)3. D. CH3OH v C2H5OH.

Cu 31: Ha tan hn hp gm Fe v{ FexOy cn va 0,1 mol H2SO4 c thu c 0,56 lt kh SO2 (sn

phm kh duy nht, o ktc) v{ dung dch X ch cha mui Fe(III). C cn dung dch X thu c khi

lng mui khan l{


Cu 32: Cho 15,84 gam este no, n chc, mch h v{o cc cha 30ml dung dch MOH 20%

(d=1,2g/ml) vi M l{ kim loi kim. Sau phn ng ho{n to{n, c cn dung dch thu c cht rn X.

t ch|y ho{n to{n X thu c 9,54gam M2CO3 v{ hn hp gm CO2, H2O. Kim loi M v{ cng thc

cu to ca este ban u l{

A. K v CH3COOCH3. B. K v HCOO-CH3. C. Na v CH3COOC2H5. D. Na v HCOO-C2H5.

Cu 33: Cho dung dch AgNO3 t|c dng vi dung dch cha cht X thy to kt ta T m{u v{ng. Cho

kt ta T t|c dng vi dung dch HNO3 d thy kt ta tan. Cht X l{

A. KI. B. KCl. C. KBr. D. K3PO4.

Cu 34: X l tetrapeptit Ala-Gly-Val-Ala, Y l tripeptit Val-Gly-Val. un nng m (gam) hn hp cha

X v{ Y c t l s mol ca X v{ Y tng ng l{ 1:3 vi dung dch NaOH va . Phn ng ho{n to{n

thu c dung dch T. C cn cn thn dung dch T thu c 23,745 gam cht rn khan. Gi| tr ca

m l

A. 19,455. B. 68,1. C. 17,025. D. 78,4

Cu 35: Hn hp kh X c th tch 4,48 lt (o ktc) gm H2 v{ vinylaxetilen c t l mol tng ng

l{ 3:1. Cho hn hp X qua xc t|c Ni nung nng thu c hn hp kh Y c t khi so vi H2 bng

14,5. Cho to{n b hn hp Y trn t t qua dung dch nc brom d (phn ng ho{n to{n) th

khi lng brom ~ phn ng l


Cu 36: Hn hp T gm hai axit cacboxylic no mch h.

- Th nghim 1: t ch|y ho{n to{n a (mol) hn hp T thu c a (mol) H2O.

- Th nghim 2: a (mol) hn hp T t|c dng vi dung dch NaHCO3 d thu c 1,6a (mol) CO2.

Phn trm khi lng ca axit c ph}n t khi nh hn trong T l{

A. 40,00%. B. 46,67%. C. 31,76%. D. 25,41%.

Cu 37: Cho 3,76 gam hn hp X gm Mg v{ MgO c t l mol tng ng l{ 14:1 t|c dng ht vi

dung dch HNO3 th thu c 0,448 lt mt kh duy nht (o ktc) v{ dung dch Y. C cn cn thn

dung dch Y thu c 23 gam cht rn khan T. X|c nh s mol HNO3 ~ phn ng ?

A. 0,28 B. 0,32 C. 0,36 D. 0,34

Cu 38: Este n chc X khng c nh|nh, ch cha C,H,O v{ khng cha c|c nhm chc kh|c. Bit t

khi hi ca X so vi O2 l{ 3,125. Khi cho 15 gam X t|c dng va vi dung dch NaOH un nng,

c cn dung dch sau phn ng thu c 21 gam mui khan. Cng thc cu to ca X l{

A. HCOO-CH2-CH2 CH=CH2. B. CH3COO-CH2-CH=CH2.

C. D.

Cu 39: Ha tan 3 gam CH3COOH v{o nc to ra 250 ml dung dch c in ly =1,4%. Nng c}n

bng ca axit axetic v{ pH ca dung dch ln lt bng:

A. 0,1972M v 3,15. B. 0,0028M v 2,55. C. 0,1972M v 2,55. D. 0,0028M v 1,55.

CH2-CH2-C=O

CH2-CH2-O

CH3-CH-CH2

CH2-O C=O

32

Cu 40: Ha tan 2m (gam) kim loi M bng dung dch HNO3 c, nng, d hay ha tan m (gam) hp cht X

(hp cht ca M vi lu hunh) cng trong dung dch HNO3 c, nng, d th cng thu c kh NO2 (sn

phm kh duy nht) c th tch bng nhau cng iu kin nhit v{ |p sut. Gi s nguyn t lu hunh

ch b oxi ha ln mc cao nht. Kim loi M v{ cng thc ph}n t ca X ln lt l{

A. Mg v MgS. B. Cu v Cu2S. C. Cu v CuS. D. Fe v FeS.

Cu 41: Cho s sau: X + H2 ancol X1.

X + O2 axit hu c X2.

X1 + X2 C6H10O2 + H2O.

Cng thc cu to ca X l{

A. CH3CH2CHO. B. CH2=CH-CHO. C. CH2=C(CH3)-CHO. D. CH3-CHO.

Cu 42: Cho c|c cht sau: phenol, kh sunfur, toluen, ancol benzylic, isopren, axit metacrylic, vinyl axetat,

phenyl amin, axit benzoic. S cht phn ng c vi dung dch nc brom nhit thng l{

A. 3. B. 4. C. 6. D. 5.

Cu 43: Dung dch X cha 14,6 gam HCl v{ 22,56 gam Cu(NO3)2. Thm m (gam) bt st v{o dung dch X, sau

khi phn ng xy ra ho{n to{n thu c hn hp kim loi c khi lng l{ 0,5m (gam) v{ ch to kh NO (sn

phm kh duy nht ca ). Gi| tr ca m l{

A. 14,88. B. 20,48. C. 9,28. D. 1,92.

Cu 44: Ha tan hn hp X gm Cu v{ Fe2O3 trong 400 ml dung dch HCl a (M) thu c dung dch Y v{ cn li 1,0

gam Cu khng tan. Nhng thanh Mg v{o dung dch Y, sau khi phn ng ho{n to{n nhc thanh Mg ra thy khi

lng tng thm 4,0 gam so vi khi lng thanh Mg ban u v{ c 1,12 lt kh H2 (o ktc) tho|t ra (gi thit

ton b lng kim loi tho|t ra u b|m ht v{o thanh Mg). Khi lng Cu trong X v{ gi| tr ca a ln lt l{

A. 3,2g gam v 0,75M. B. 3,2 gam v 2M. C. 4,2 gam v 1M. D. 4,2 gam v 0,75M.

Cu 45: C bao nhiu ng ph}n cu to, mch h c cng thc ph}n t C5H8 t|c dng vi H2 d (xc t|c

thch hp) thu c sn phm isopentan ?

A. 4. B. 2. C. 6. D. 3.

Cu 46: Cho a (gam) st v{o dung dch cha y mol CuSO4 v z mol H2SO4 lo~ng, sau phn ng ho{n ton thu

c kh H2, a (gam) ng v{ dung dch ch cha mt cht tan duy nht. Mi quan h gia y v{ z l{

A. y = 5z. B. y = 7z. C. y = z. D. y = 3z.

Cu 47: Hp cht ion G to nn t c|c ion n nguyn t M2+ v X2-. Tng s ht (ntron, proton, electron)

trong ph}n t G l{ 84, trong s ht mang in nhiu hn s ht khng mang in l{ 28 ht. S ht mang

in ca ion X2- t hn s ht mang in ca ion M2+ l{ 20 ht. V tr ca M trong bng tun ho{n l{

A. 20, chu k 4, nhm IIA. B. 12, chu k 3, nhm IIA.

C. 8, chu k 2, nhm VIA. D. 26, chu k 4, nhm VIIIB.

Cu 48: Hn hp X gm mt anehit v{ mt ankin c cng s nguyn t cacbon. t ch|y ho{n to{n a (mol)

hn hp X thu c 3a (mol) CO2 v 1,8a (mol) H2O. Hn hp X c s mol 0,1 t|c dng c vi ti a 0,14

mol AgNO3 trong NH3 (iu kin thch hp). S mol ca anehit trong 0,1 mol hn hp X l{

A. 0,03. B. 0,04. C. 0,01. D. 0,02.

Cu 49: Hp th ho{n to{n 4,48 lt CO2 (ktc) v{o 200ml dung dch cha Na2CO3 0,5M v NaOH 0,75M thu

c dung dch X. Cho dung dch BaCl2 d v{o dung dch X thu c kt ta c khi lng l{

A. 19,7gam. B. 39,4 gam. C. 29,55 gam. D. 9,85gam.

Cu 50: Cho c|c cht sau: toluen, etilen, xiclopropan, stiren, vinylaxetilen, etanal, imetyl xeton, propilen. S

cht l{m mt m{u dung dch KMnO4 nhit thng l{

A. 4. B. 6. C. 7. D. 5.

--- HT ---

0xt,t0xt,t

0xt,t

33


Cu 1: Gii thch n{o sau }y l{ khngng?

A. Xenluloz trinitrat hnh th{nh nh phn ng:

[C6H7O2(OH)3]n + 3nHNO

[C6H7O2(ONO2)3]n + 3nH2O

B. Rt dung dch HCl vo vi si bng, vi mn dn do phn ng:

(C6H10O5)n + nH2O nC6H12O6

C. Rt H2SO4 c vo vi si bng, vi b en v{ thng ngay do phn ng:

(C6H10O5)n 6nC + 5nH2O

D. Xenluloz triaxetat hnh th{nh nh phn ng:

[C6H7O2(OH)3]n + 3nCH3COOH [C6H7O2(OOCCH3)3]n + 3nH2O

Cu 2: Cho Cacbon (C) ln lt tc dng vi Al, H2O, CuO, HNO3 c, H2SO4 c, KClO3, CO2 iu kin

thch hp. S phn ng m{ trong C ng vai tr l{ cht kh?

A. 4 B. 7 C. 5 D. 6

Cu 3: Thc hin phn ng crackinh butan thu c mt hn hp X gm cc ankan v cc anken. Cho ton

b hn hp X vo dung dch Br2 d thy c kh thot ra bng 60% th tch X v khi lng dung dch Br2 tng

5,6 gam v{ c 25,6 gam brom ~ tham gia phn ng. t ch|y ho{n to{n kh bay ra thu c a mol CO2 v b

mol H2O. Vy a v b c gi tr l:

A. a = 0,9 mol v b = 1,5 mol B. a = 0,56 mol v b = 0,8 mol

C. a = 1,2 mol v b = 1,6 mol D. a = 1,2 mol v b = 2,0 mol

Cu 4: Ho tan hon ton hn hp X cha Fe3O4 v FeS2 trong 63 gam dung dch HNO3 thu c 1,568 lt

NO2 duy nht (ktc). Dung dch thu c tc dng va vi 200 ml dung dch NaOH 2M, lc kt ta ri

em nung n khi lng khng i th thu c 9,76 gam cht rn. Nng % ca dung dch HNO3 ban u

l:

A. 47,2% B. 42,6% C. 46,2% D. 46,6%

Cu 5: X phng ha hon ton 100 gam cht bo X cn dng va 100 ml dung dch NaOH 0,8M, sau phn

ng thu c 100,81 gam x{ phng. X|c nh ch s axit ca cht bo .

A. 1,4 B. 5,6 C. 11,2 D. 2,8

Cu 6: Cho cc dung dch AlCl3, NaCl, NaAlO2, HCl. Dng mt ho cht trong s cc ho cht sau: Na2CO3,

NaCl, NaOH, qu tm, dung dch NH3, NaNO3 th s ho cht c th phn bit c 4 dung dch trn l:

A. 3 B. 4 C. 5 D. 6

Cu 7: Cho m gam Mg vo dung dch cha 0,12 mol FeCl3. Sau khi phn ng xy ra ho{n to{n thu c 3,36

gam cht rn. Gi tr ca m l:


Cu 8: Cho dung dch CH3COOH 0,1M, KA = 1,8.10-5. in li ca axit axetic gim mt na so vi ban u

th khi lng CH3COOH cn phi cho vo 1 lt dung dch trn l:


Cu 9: ipeptit mch h X v tripeptit mch h Y u c to nn t mt -aminoaxit (no, mch h, trong

phn t cha mt nhm -NH2 v mt nhm -COOH). t ch|y ho{n to{n 0,1 mol Y thu c tng khi lng

CO2 v H2O bng 54,9 gam. t chy hon ton 0,2 mol X, sn phm thu c cho li t t qua nc vi trong d,

to ra m gam kt ta. Gi tr ca m l:

A. 120 gam B. 60 gam C. 30 gam D. 45 gam Cu 10:

Hp cht hu c X mch h c khi lng mol l{ 56 vC. Khi t chy X bng oxi thu c sn phm ch gm

CO2 v H2O. X lm mt mu dung dch brm. S cng thc cu to c th c ca X l:

A. 4 B. 7 C. 6 D. 5

Cu 11: Cho dy gm cc cht: Na, Mg, Ag, O3, Cl2, HCl, Cu(OH)2, Mg(HCO3)2, CuO, NaCl, C2H5OH, C6H5OH,

C6H5NH2, CH3ONa, CH3COONa. S cht tc dng c vi dung dch axit propionic (trong iu kin thch

hp) l:

A. 10 B. 11 C. 9 D. 8

Cu 12: Nha phenolfomanehit c iu ch bng c|ch un nng phenol d vi dung dch:

34

A. CH3COOH trong mi trng axit B. CH3CHO trong mi trng axit

C. HCOOH trong mi trng axit D. HCHO trong mi trng axit

Cu 13: Ha tan 3,56 gam oleum X v{o nc thu c dung dch Y. trung ha dung dch Y cn dng 80 ml

dung dch NaOH 1,0M. Vy cng thc ca X l:

A. H2SO4.2SO3 B. H2SO4.4SO3 C. H2SO4.SO3 D. H2SO4.3SO3

Cu 14: Cho m gam bt Fe vo 200 ml dung dch hn hp A cha H2SO4 1M, Fe(NO3)3 0,5M v CuSO4 0,25M.

Khuy u cho n khi phn ng kt thc thu c 0,75m gam cht rn. Gi tr ca m l:

A. 43,2 gam B. 56 gam C. 33,6 gam D. 32 gam

Cu 15: Cho kim loi M vo dung dch mui ca kim loi X thy c kt ta v kh bay ln. Cho kim loi X vo

dung dch mui ca kim loi Y thy c kt ta Y. Mt khc, cho kim loi X vo dung dch mui ca kim loi Z,

khng thy c hin tng g. Cho bit s sp xp n{o sau }y ng vi chiu tng dn tnh kim loi ca X, Y, Z, M?

A. Z < X < Y < M B. Y < X < Z < M C. Z < X < M < Y D. Y < X < M < Z

Cu 16: Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3,75. Nung X vi Ni sau mt thi gian thu c

hn hp kh Y c t khi so vi He l 5. Hiu sut phn ng hiro ha l{:

A. 50% B. 20% C. 40% D. 25%

Cu 17: un nng cht H2N-CH2-CONH-CH(CH3)-CONH-CH2-COOH trong dung dch HCl d, sau khi cc phn

ng kt thc thu c sn phm l:

A. H3N+-CH2-COOHCl-, H3N+-CH2-CH2-COOHCl-

B. H3N+-CH2-COOHCl-, H3N+-CH(CH3)-COOHCl-

C. H2N-CH2-COOH, H2N-CH2-CH2-COOH

D. H2N-CH2-COOH, H2N-CH(CH3)-COOH

Cu 18: Dn hn hp M gm hai cht X v Y c cng thc phn t C3H6 v C4H8 vo dung dch brom trong

dung mi CCl4 thy dung dch brom b nht mu v khng c kh thot ra. Ta c cc kt lun sau:

a). X v Y l 2 xicloankan vng 3 cnh

b). X v Y l mt anken v mt xicloankan vng 4 cnh

c). X v{ Y l{ 2 anken ng ng ca nhau

d). X v Y l mt anken v mt xicloankan vng 3 cnh

e). X v Y l mt xicloankan vng 3 cnh v mt xicloankan vng 4 cnh

Cc kt lun ng l{:

A. a, c, d B. a, b, c, d C. a, b, d D. a, b, c, d, e

Cu 19: em ha tan ho{n to{n m gam Mg trong dung dch cha ng thi a mol H2SO4 v b mol HCl, sau

phn ng ho{n to{n thu c dung dch cha 2 mui c tng khi lng l 4,1667m. Thit lp biu thc lin

h gia s mol ca 2 axit:

A. b = 6a B. b = 4a C. b = 8a D. b = 7a

Cu 20: Cho cc phn ng sau: Glucoz + CH3OH X + H2O

2X + Cu(OH)2 Y + 2H2O

Vy cng thc ca Y l:

A. (C7H14O7)2Cu B. (C7H13O7)2Cu C. (C6H12O6)2Cu D. (C6H11O6)2Cu

Cu 21: t chy hon ton 1,6 gam mt este E n chc c 3,52 gam CO2 v 1,152 gam H2O. Nu cho 10

gam E tc dng vi 150 ml dung dch NaOH 1M, c cn dung dch sau phn ng thu c 16 gam cht rn

khan. Vy cng thc ca axit to nn este trn c th l:

A. HOOC-CH2-CH(OH)-CH3 B. CH3-C(CH3)2-COOH

C. HOOC(CH2)3CH2OH D. CH2=CH-COOH

Cu 22: S sp xp n{o sau }y ng vi chiu tng dn tnh axit?

A. axit phenic < axit p-nitrobenzoic < axit p-metylbenzoic < axit benzoic

B. axit p-nitrobenzoic < axit benzoic < axit phenic < axit p-metylbenzoic

C. axit p-metylbenzoic < axit p-nitrobenzoic < axit benzoic < axit phenic

D. axit phenic < axit p-metylbenzoic < axit benzoic < axit p-nitrobenzoic

HCl khan

OH

35

Cu 23: Ha tan hon ton m gam hn hp gm Na, Na2O, NaOH v Na2CO3 trong dung dch axt H2SO4 40%

(va ) thu c 8,96 lt hn hp kh c t khi i vi H2 bng 16,75 v dung dch Y c nng

51,449%. C cn Y thu c 170,4 gam mui. Gi tr ca m l:


Cu 24: Ha tan hon ton 30 gam hn hp X gm Mg, Al v Zn trong dung dch HNO3, sau phn ng ho{n to{n thu c

dung dch Y v hn hp gm 0,1 mol N2O v 0,1 mol NO. C cn dung dch sau phn ng thu c 127 gam hn hp

mui. Vy s mol HNO3 ~ b kh trong phn ng trn l:


Cu 25: Hn hp X gm: HCHO, CH3COOH, HCOOCH3 v CH3CH(OH)COOH. t chy hon ton hn hp X

cn V lt O2 (ktc) sau phn ng thu c CO2 v H2O. Hp th ht sn phm chy v{o nc vi trong d thu

c 30 gam kt ta. Vy gi tr ca V tng ng l:

A. 5,60 lt B. 8,40 lt C. 7,84 lt D. 6,72 lt

Cu 26: Trong cc chui phn ng ha hc sau, chui no c phn ng ha hc khng th thc hin c?

A. P P2O5H3PO4CaHPO4Ca3(PO4)2CaCl2Ca(OH)2CaOCl2

B. Cl2 KCl KOH KClO3 O2 O3 KOH CaCO3 CaO CaCl2Ca

C. NH3N2NO NO2NaNO3NaNO2N2Na3N NH3NH4Cl HCl

D. S H2S SO2HBr HCl Cl2H2SO4H2S PbS H2S NaHS Na2S

Cu 27: Cho s sau: p-xilen X1 axit terephtalic. Hy cho bit tng i s cc h s

cht trong phng trnh phn ng (1)?

A. 8 B. 16 C. 14 D. 18

Cu 28: Cho cc nhn xt sau:

(1). C th to c ti a 2 ipeptit t phn ng trng ngng hn hp Alanin v Glyxin

(2). Khc vi axt axetic, axt amino axetic c th tham gia phn ng vi axit HCl hoc phn ng trng ngng

(3). Ging vi axt axetic, aminoaxt c th tc dng vi baz to mui v{ nc

(4). Axt axetic v axt -amino glutaric c th l{m i mu qu tm th{nh

(5). Thy phn khng hon ton peptit: Gly-Phe-Tyr-Gly-Lys-Gly-Phe-Tyr c th thu c 6 tripeptit c cha Gly

(6). Cho HNO3 c vo ng nghim cha anbumin thy to dung dch mu tm

C bao nhiu nhn xt ng?

A. 3 B. 5 C. 6 D. 4

Cu 29:X l este to t axit n chc v{ ancol a chc. X khng tc dng vi Na. Thy phn hon ton a gam X

cn dng va 100 gam dung dch NaOH 6% thu c 10,2 gam mui v 4,6 gam ancol. Vy cng thc ca X

l:

A. (CH3COO)2C3H6 B. (HCOO)2C2H4 C. (HCOO)3C3H5 D. (C2H3COO)3C3H5

Cu 30:Trong mt bnh kn dung tch 10 lt nung mt hn hp gm 1 mol N2 v 4 mol H2 nhit t0C

v p sut P. Khi phn ng t n trong thi cn bng thu c mt hn hp trong NH3 chim 25% th

tch. X|c nh hng s cn bng KC ca phn ng: N2 + 3H2 2NH3.

A. 25,6 B. 1,6 C. 6,4 D. 12,8

Cu 31: Cho 2,8 gam bt st tc dng hon ton vi V ml dung dch HNO3 0,5M thu c sn phm kh NO

duy nht v dung dch X. X c th tc dng va vi dung dch cha 0,03 mol AgNO3. Gi tr ca V l:

A. 280 ml B. 320 ml C. 340 ml D. 420 ml

Cu 32: t chy hon ton m gam hn hp X gm 2 ancol a chc, mch h, c cng s nhm -OH thu c

11,2 lt kh CO2 (ktc) v{ 12,6 gam H2O. Mt khc nu cho m gam hn hp X tc dng vi 10 gam Na th sau

phn ng thu c a gam cht rn. Gi tr ca a v m ln lt l:

A. 13,8 v 23,4 B. 9,2 v 13,8 C. 23,4 v 13,8 D.9,2 v 22,6

Cu 33: Cho 672 ml kh clo (ktc) i qua 200 ml dung dch KOH a mol/l 1000C. Sau khi phn ng xy ra

ho{n to{n thu c dung dch X c pH = 13. Lng cht rn thu c khi c cn dung dch X l:


04+KMnO ,t

(1)

(2)Dung dch HCl d

36

Cu 34:Thu phn dung dch cha 34,2 gam mantoz mt thi gian. Ly ton b sn phm thu c sau

phn ng thu phn cho tc dng vi lng d dung dch AgNO3 trong NH3, sau phn ng hon ton thu

c 31,32 gam Ag. Hiu sut ca phn ng thu ph}n mantoz l{:

A. 50% B. 45% C. 72,5% D. 55%

Cu 35: Thm t t tng git ca 100 ml dung dch cha Na2CO3 1,2M v NaHCO3 0,6M vo 200 ml dung

dch HCl 1M, sau phn ng ho{n to{n thu c dung dch X. Cho dung dch nc vi trong d v{o dung dch

X th thu c bao nhiu gam kt ta.


Cu 36: Cho cc monome sau: stiren, toluen, metylaxetat, vinylaxetat, metylmetacrylat, metylacrylat,

propilen, benzen, axt etanoic, axt -aminocaproic, caprolactam, etilenoxit. S monome tham gia phn ng

trng hp l:

A. 5 B. 6 C. 7 D. 8

Cu 37:Hp cht X c cng thc phn t l C5H13N. Khi cho X tc dng vi HNO2 thu c cht Y c cng

thc phn t l C5H12O. Oxi ha Y thu c cht hu c Y1 c cng thc phn t l C5H10O. Y1 khng c phn ng

trng bc. Mt kh|c, hirat ha Y thu c 2 anken l{ ng phn hnh hc ca nhau. Vy tn gi ca X l:

A. pentan-3-amin B. pentan-2-amin C. 3-metylbutan-2-amin D. isopentyl amin

Cu 38: X v Y l hai hp cht hu c ng phn ca nhau cng c cng thc phn t C5H6O4Cl2. Thy phn

ho{n to{n X trong NaOH d thu c hn hp cc sn phm trong c 2 mui v 1 ancol. Thy phn hon

to{n Y trong KOH d thu c hn hp cc sn phm trong c 1 mui v{ 1 anehit. X v{ Y ln lt c

cng thc cu to l:

A. HCOOCH2COOCH2CHCl2 v CH3COOCH2COOCHCl2

B. CH3COOCCl2COOCH3 v CH2ClCOOCH2COOCH2Cl

C. HCOOCH2COOCCl2CH3 v CH3COOCH2COOCHCl2

D. CH3COOCH2COOCHCl2 v CH2ClCOOCHClCOOCH3

Cu 39: Cho cc nguyn t sau 13Al; 5B; 9F; 21Sc. Hy cho bit c im chung trong cu to ca nguyn t cc

nguyn t .

A. u l cc nguyn t thuc cc chu k nh B. Electron cui cng thuc phn lp p

C. u c 1 electron c thn trng thi c bn D. u c 3 lp electron

Cu 40: Khi t chy mt polime sinh ra t phn ng ng trng hp isopren vi acrilonitrin bng lng oxi

va thu c hn hp kh cha 58,33% CO2 v th tch. T l mt xch isopren vi acrilonitrin trong polime

trn l:

A. 1:3 B. 1:2 C. 2:1 D. 3:2

Cu 41: Cho m gam kim loi M tan hon ton trong 200 ml dung dch HCl 0,5M thu c dung dch X v

2,016 lt H2 (ktc). Cho dung dch AgNO3 d v{o dung dch X th thu c bao nhiu gam kt ta?


Cu 42: ng vi cng thc phn t C7H8O c bao nhiu ng phn l dn xut ca benzen v s ng phn

u tc dng c vi cc cht: K, KOH, (CH3CO)2O:

A. 5 v 2 B. 5 v 3 C. 4 v 2 D. 4 v 3

Cu 43: X c cng thc phn t l C4H8Cl2. Thy phn X trong dung dch NaOH un nng thu c cht

hu c Y n chc. Hy cho bit X c bao nhiu cng thc cu to?

A. 5 B. 3 C. 2 D. 4

Cu 44: Cho axeton tc dng vi HCN thu c cht hu c X. Thy ph}n X trong mi trng axit thu c

cht hu c Y. hirat ha X thu c axit cacboxylic Y. Vy Y l cht n{o sau }y?

A. CH2=C(CH3)COOH B. CH2=CH-COOH C. CH2=CHCH2COOH D. CH3CH=CHCOOH

Cu 45: Ho tan Fe3O4 trong lng d dung dch H2SO4 lo~ng thu c dung dch X. Dung dch X tc dng

c vi bao nhiu cht trong s cc cht sau: Cu, NaOH, Br2, AgNO3, KMnO4, MgSO4, Mg(NO3)2, Al?

A. 5 B. 6 C. 7 D. 8

37

Cu 46:t chy hon ton 0,1 mol cht hu c X c cng thc tng qut CxHyO2 thu c khng n 17,92 lt

CO2 (ktc). trung ho 0,2 mol X cn 0,2 mol NaOH. Mt khc cho 0,5 mol X tc dng vi Na d thu c 0,5

mol H2. S nguyn t H c trong phn t X l:

A. 6 B. 8 C. 10 D. 12

Cu 47:T l khi lng phn t gia oxit cao nht ca nguyn t R v hp cht kh ca n vi hiro bng .

Khi lng mol nguyn t ca R l:

A. 32 B. 12 C. 28 D. 19

Cu 48: Cho 100 gam glixerol tc dng vi 3 mol HNO3 c (xc tc: H2SO4 c). Tnh khi lng sn phm

cha nhm nitro thu c. Bit rng c 80% glixerol v 70% HNO3 ~ phn ng.


Cu 49: Cho s sau: etanol X. Hy cho bit trong cc cht sau: etilen, etylclorua, etanal, axit etanoic,

etylaxetat, buta-1,3-ien, glucoz. Bao nhiu cht c th l cht X?

A. 6 B. 5 C. 4 D. 3

Cu 50: Nung hn hp gm 3,2 gam Cu v 17 gam AgNO3 trong bnh kn, chn khng. Sau phn ng hon

to{n thu c hn hp kh X. Cho X phn ng ht vi nc thu c 2 lt dung dch Y. pH ca dung dch Y l:

A. 0,523 B. 0,664 C. 1 D. 1,3

---HT---

5,5

2

38

s 6: HSG tnh Thi Bnh 2012 2013

Cu 1: Cho 300 ml dung dch Ba(OH)2 0,1M vo 250 ml dung dch Al2(SO4)3 x(M) thu c 8,55 gam kt ta.

Thm tip 400 ml dung dch Ba(OH)2 0,1M vo hn hp phn ng th lng kt ta thu c l 18,8475 gam. Gi

tr ca x l

A. 0,06. B. 0,09. C. 0,12. D. 0,1.

Cu 2: Cho Fe tc dng ht vi dung dch H2SO4 c nng thu c kh SO2 (sn phm kh duy nht) v 8,28 gam

mui. Bit s mol Fe bng 37,5% s mol H2SO4 phn ng. Khi lng Fe ~ tham gia phn ng l


Cu 3: Cho 0,1 mol cht X (C2H8O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht kh

lm xanh giy qu tm tm t v dung dch Y. C cn dung dch Y c m gam cht rn khan. Gi tr ca m

l

A. 5,7. B. 12,5. C. 15,5. D. 21,8.

Cu 4: Cho 2,16 gam hn hp gm Al v Mg tan ht trong dung dch axit HNO3 lo~ng, un nng nh to ra dung

dch X v{ 448 ml (o 354,90 K v 988 mmHg) hn hp kh Y kh gm 2 kh khng m{u, khng i mu

trong khng kh. T khi ca Y so vi oxi bng 0,716 ln t khi ca kh cacbonic so vi nit. L{m khan X mt

cch cn thn thu c m gam cht rn Z, nung Z n khi lng khng i thu c 3,84 gam cht rn T.

Gi tr ca m l

A. 15,18. B. 17,92. C. 16,68. D. 15,48.

Cu 5: Oxi ha 4,6 gam ancol etylic bng O2 iu kin thch hp thu c 6,6 gam hn hp X gm anehit,

axit, ancol d v{ nc. Hn hp X tc dng vi natri d sinh ra 1,68 lt H2 (ktc). Hiu sut ca phn ng

chuyn ha ancol th{nh anehit l{

A. 75%. B. 50%. C. 33%. D. 25%.

Cu 6: Ho n h p X go m a mol Fe, b mol FeCO3 va c mol FeS2. Cho X va o b nh dung t ch kho ng o i ch a kho ng

kh (d), nung e n khi ca c pha n ng xa y ra hoa n toa n, sau o a ve nhie t o ban a u tha y a p sua t trong

b nh ba ng a p sua t tr c khi nung. Quan he cu a a, b, c la

A. a = b+c. B. 4a+4c=3b. C. b=c+a. D. a+c=2b.

Cu 7: ho tan ht mt mu Al trong dung dch axit HCl 250C cn 36 pht. Cng mu Al tan ht trong

dung dch axit ni trn 450C trong 4 pht. Hi ho tan ht mu Al trong dung dch axit ni trn

600C th cn thi gian bao nhiu giy?

A. 45,465 giy. B. 56,342 giy. C. 46,188 giy. D. 38,541 giy.

Cu 8: Cho cc pht biu sau :

(1) Trong hp cht vi oxi, nit c cng ha tr cao nht bng V.

(2) Trong cc hp cht, flo lun c s oxi ha bng -1.

(3) Lu hunh trong hp cht vi kim loi lun c s oxi ha l -2.

(4) Trong hp cht, s oxi ha ca nguyn t lun khc khng.

(5) Trong hp cht, mt nguyn t c th c nhiu mc s oxi ha khc nhau.

(6) Trong mt chu k, theo chiu tng in tch ht nhn, bn knh nguyn t ca cc nguyn t tng dn.

S pht biu ng l

A. 3. B. 5. C. 2. D. 4.

Cu 9: Hp cht hu c C4H7O2Cl (X), khi thy ph}n trong mi trng kim c cc sn phm, trong c hai cht

c kh nng phn ng tr|ng gng. Cng thc cu to ng ca (X) l

A. HCOO-CH2-CHCl-CH3. B. CH3COO-CH2-CH2Cl. C. HCOOCHCl-CH2-CH3. D. ClCH2COO-CH2-CH3.

Cu 10: Cho cc phn ng sau:

(1) dung dch Na2CO3 + dung dch H2SO4. (2) dung dch Na2CO3 + dung dch FeCl3.

(3) dung dch Na2CO3 + dung dch CaCl2. (4) dung dch NaHCO3 + dung dch Ba(OH)2.

(5) dung dch (NH4)2SO4 + dung dch Ba(OH)2. (6) dung dch Na2S + dung dch AlCl3.

S phn ng to ng thi c kt ta v kh bay ra l

A. 3. B. 6. C. 4. D. 5.

Cu 11: Cht hu c X cha vng benzen c cng thc phn t l CxHyO. Bit % O = 14,81% (theo khi

lng). S cng thc cu to ph hp ca X l

A. 8. B. 6. C. 7. D. 5.

39

Cu 12: Thc hin tng hp tetrapeptit t 3,0 mol glyxin; 4,0 mol alanin v 6,0 mol valin. Bit phn ng xy

ra hon ton. Khi lng tetrapeptit thu c l


Cu 13: un nng m gam cht hu c (X) cha C, H, O vi 100 ml dung dch NaOH 2M n khi phn ng xy

ra ho{n to{n. trung ha lng NaOH d cn 40 ml dung dch HCl 1M. L{m bay hi cn thn dung dch sau

khi trung ha, thu c 7,36 gam hn hp 2 ancol n chc (Y), (Z) v 15,14 gam hn hp 2 mui khan,

trong c mt mui ca axit cacboxylic (T). Kt lun n{o sau }y ng?

A. Axit (T) c cha 2 lin kt i trong ph}n t.

B. S nguyn t cacbon trong axit (T) bng mt na s nguyn t cacbon trong cht hu c X.

C. Ancol (Y) v (Z) l 2 cht ng ng lin tip vi nhau.

D. Cht hu c X c cha 14 nguyn t hiro.

Cu 14: Thy ph}n 4,3 gam poli(vinyl axetat) trong mi trng kim thu c 2,62 gam polime. Hiu sut ca

phn ng thy phn l

A. 60%. B. 80%. C. 75%. D. 85%.

Cu 15: t chy hon ton 24,8 gam h

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