1. Tuyn chn nhng bi tp hay v kh mn HA HC uoon vn TUYN CHN NHNG
BI TP , _ , HAY VA KHO - 2 Cong luyen thl Dai hc truc tuyn Hy tham
gia cc kha hc MN HA HC ti wWw.moon.vn Xem p n v Li gi ch tit -
HOTLINE: (04) 32 99 98 98 Cu 1 [V94032]: C 5 mu kim loi Ag, Mg, Fe,
Zn, Ba. Chi dng mt ha cht no di y c th nhn bit c c 5 mu kim loi ?
A.Dung dch NaCl B. Dung dch NaOH C.Dung dch H2SO4 long D. Dung dch
NHa Cu 2 [,117878]: t chy hon ton 1,6 gam mt este E n chc c 3,52
gam CO2 V 1,152 gam HzO. Nu cho I gm E tc dng vi 150 ml dung dch
NaOH IM, 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-CHz-CH(OH)-CHs. B.
CH-C(CHs)z-COOH. C.HOOC(CHz);CHzOH. D. CHz=CH-COOH. Cu 3 [30408]:
Cho hn hp~A: 0,3 moi Mg; 0,7mO1 Fe phn ng vi V(l) dung dch hn hp
HNOs 2M, thu c dung dch B, hn hp G gm 0,1m01NzO v 0,2 mol NO v cn
li 5,6(g) kim loi. Gi tr V l: A.0.9 (1) B. 1.22 (1) C.1.15 (1)
D.1.1(1) Cu 4 [08239]: Thc hin cc phn ng nhit nhm hn hp gm m gam Al
v 4,56 gam CrzOg (trong iu kin khng c Oz), sau khi phn ng kt thc,
thu c hn hp X. Cho ton b X Vo mt lng d dung dch HC] (long, nng),
sau khi cc phn ng Xy ra hon ton, thu c 2,016 lt Hz (ktc). Cn nu cho
ton b X vo mt lng d dung dch NaOH (c, nng), Sau khi phn ng kt thc
th S mol NaOH phn ng l: A.0,06 In01 B. 0,14 mol C.0,08 mol D. 0,16
mol Cu 5 [78618]: t chy hon ton hp cht hu c X thu c hn hp kh gm
C02, hi nc v N2 c ti khi hi so vi Hz l 13,75. Cho hn hp kh ln lt i
qua ng 1 ng P205 v ng 2 ng KOH rn thy tng khi lng ca ng 2 gp 1,3968
ln tng khi lng ca ng 1. S mol O2 cn t Chy hon ton X bng mt na s mol
CO2 V H20 to thnh. Khi lng phn t ca X nh hn khi lng phn t ca
anilin. CTPT ca X l: A.CzH1OzN B. Cg,HgN C.C2H5O2N D. C2H7N Cu 6
[3600]: Cho cc pht biu di y: S pht biu ng l ? a/ Khi tlchy hon ton
XHy th lun c Z nOz(p) = nCO2 + 1/2nHzO. b/ Hp cht cha ngyn t cacbon
l hp cht hu c. c/ Thy phn dn xut ihalogen CzH4C1z ta thu c
Etylenglicol. d/ Andehyt n chc l sn phm trung gian`gia ncol bc nht
Vi acid n chc. e/ T H3OH trong cng nghip ngi ta iu Ch c CHgCOOH bng
mt phn ng. ` ` h/ Cht CxHyOz lm tan Cu(OH)z nhit thng th cht l
ancol c it nht 2 nhm OH lin k. A.2 B. 4 C.3 D. 5 wWw.moon.vn Tng i
t vn (04) 32 99 98 98 s 2
2. Tuyn chn nhng bi tp hay v kh mn HA HC Cu 7 [49159]: Hp cht X
c to ra t anc01(chi cha 1 nguyn t cacbon) n chc V amino axit (cha
mt chc axit v mt chc amin). X c cng thc phn t trng vi cng thc n gin
nht. t chy hon ton 0,89 gam X cn Va 1,2 gam Oz v to ra 1,32 gam CO2
, 0,63 gam H20. Khi cho 0,89 gam X tc dng vi 200ml dung dch NaOH 1M
ri c cn th khi lng cht rn khan thu c l: A. 8,75 gam B. 1,37 gam
C.0,97 gam D. 857 gam Cu 8 [59099]: Hn hp gm hai anhit n chc X v Y
c chia thnh hai phn bng nhau: - Phn mt un nng vi dung dch AgNO3/NH3
d th to ra 10,8 gam Ag. - Phn hai oxi ha to thnh hai axit tng ng,
Sau cho hai axit ny phn ng vi 250 ml dung dch NaOH 0,26M c dung dch
Z. trung ha lng NaOH d trong dung dch Z Cn dng ng 100 ml dung dch
HC1 0,25M. C cn dung dch Z ri em t chy cht rn thu c sau khi c cn, c
2,97 gam CO2 v 1,125 gam H20. Cng thc phn t ca hai anhit X V Y l:
A.HCHO v C2HsCHO B. HCHO V C2H3CHO C.HCHO v CHsCHO D. CHSCHO v
CzHsCHO. Cu 9 [65931]: Cho BaO vo dung dch HzS04 long thu c kt ta X
v dung dch Y . lc b kt ta, cho dung dch NaHCO; vo dung dch Y li thy
c kt ta . Nu thm 1 d vao dung dch Y thy c kh bay ra V thu c dung
dch Z . Cho NazCOg vo dung dch Z li thy c kt ta . Hy cho bit c bao
nhiu phn ng Xy ra: A.6 B. 3 C.4 D. 5 Cu 10 [115689: Cho 0,64 gani S
tan hon tn trong 150 gam dung dch HNOg 63%, un nng thu c, kh duy
nht N02 (sn phm kh dy nht) v dung dch X. Hy cho bit dung dch X c th
ho tan ti a bao nhiu gam Cu (B it sn phm kh duy nht l NO) A. 33,12
gam B. 24,00 gam C.34,08 gam D. 132,48 gam Cu 11 44179]: Ho tan
mgam A12(S04)3 vo nc c dung dch B, chia B thnh hai phn bng nhau.
Tin hnh hai th nghim sau: 7 - Cho phn 1 tc dng hon ton vi 60m1 dung
dch KOH 2M thu c Za gam kt ta. - Cho phn 2 tc dng hon ton vi 120 ml
dung dch KOH 2M thu c a gam kt ta. Gi tr ca m l: A.15,39 B.30,78
C.22,23 D. 44,46 Cu 12 [113677]: Cho cc pht biu Sau: Trong pin Zn -
Cu (1) Zn l anot(-) xy ra qu trnh kh: Zn - Zn2* + 26 (2) Cu I
catot(+) Xy ra qu trrlh kh: Cu2+ + 2e _Z Cu (3) Dng in mch ngoi c
chiu t in cc Cu sang in cc Zn (4) Cc ion dng trong cu mui di chuyn
v pha in cc Cu Cc pht biu ng l A.2, 3, 4 B. 1, 3, 4 C.2, 4 D. 1, 2,
3 Cu 13 [24372]: Cho cng thc chung ca cc axit cacboxylic sau: (I):
Axit n chc CxHyCOOHn wvvW.mo0n.vn Tng i t vn (04) 32 99 98 98 s
2
3. Tuyn chn nhng bi tp hay v kh mn HA HC (II) Axit hai Chc CxHy
(COOH)z. (III) Axit a chc no CnHzn+z(COOH)x , (IV) Axit n chc c mt
lin kt 7T gc CnHz,,.1COOH (n 2). (V) Axit n chc no C,,Hz,,+zOz
(nl). Nhng cng thc chung ca cc axit cacboxylic no sau y ng? A.(I),
(II) B. (III), (V) C-(I), (II)a (V) Do(I), (II), (IV) Cu 14
[99721]: Ha tan hon ton 19,2 gam hh X gm Fe, FCO, FC304 V FezOg
trong 400 ml dd HNO3 3M (d) un nng, thu c dd Y V V lit khi NO
(kt,c). NO l sn phm kh duy nht ca N03-. Cho 350 ml dd NaOH 2M vo dd
Y thu c 21,4 gam kt ta. Gi tr ca V l: A.3,36 lit B. 5,04 It C.5,60
lit D. 4,48 It Cu 15 [21887]: Ly 97,5 gam benzen em nitro ha, thu c
nitrobenzen (hiu sut 80%). em lng nitrObenZen,thu c kh bng hiro
nguyn t mi sinh (ang sinh) bng cch cho nitrbenzen tc, dng vi bt St
trong dung dch HC1 c d (hiu Sut 100%), thu c cht hu c X. Khi lng
cht X thu c l: A.93,00 gam B. 129,50 gam C.116,25 gam D.103,60 gam
Cu 16 [98702]: X l mt tx-Aminoaxit no, h (cha 1 nhm -COOH V 1 nhm
-NHQ). T m gam X iu ch c m1 gam ipeptit (A). T 2m gam X iu ch c mz
gam tripeptit (B). t chy mj gam (A) thu c 0,3 mol nc. t chy mz gam
(B) thu c 0,55 mol HzO. Gi tr ca m l (Bit cc phn ng xy ra hon ton v
nit sinh ra dng phn t n cht) A.4,45 gam B. 13,35 gam C.3,75 gam D.
11,25 gam Cu`17 [99672]: Chia m gam mt anehit A thnh 2 phn bng
nhau. - Phn 1 phn ng vi Hz (d, Xc tc Ni, un nng) c anc01 B. Cho B
phn ng vi Na d thu c 1,12 lt H2 (ktc). I 0 -Phn 2 trang bc hon ton
c 43,2 gam Ag. Khi t chy m gam A c th tich CO2 (ktc) l: A.8,96 lit
B. 4,48 lt C.6,72 lit D. 2,24 lit Cu l [113886]: Dng dch X cha a
mol Ca(OH)z. Cho dungrdch X hp th 0,08 mo1`COz c 2b mol kt ta, nhng
nu dng 0,10 mol CO2 th thu c b mol kt ta. Gi tr ca a v b ln lt l
A.0,07 v 0,04 B. 0,07 v 0,02 C.0,06 v 0,04. D. 0,06 V 0,02. Cu 19
[34325]: t chy hon ton 0,10 mol hp cht X c cng thc
HOOC4(CHz),,rCOOH, cho sn phm chy Vo bnh nc Vi trong thu c 30,0 gam
kt ta. Cho Y l mt ancol no n chc khi un nng vi HzSO4 c th to ra
anken. t chy hon ton mt este a chc to bi X V Y c ti l khi Ing CO2 V
H20 tng ng l 176 : 63. Vy gi tr ca n l: A.4 B. 3 C.2 D. 1 Cu 20
[113169]: Cho cc nhn nh Sau: (1) cc amin bc 2 u c tiI1h baz mnh hn
amin bc 1 (2), khi thy phn khng hon ton mt phn t peptit nh Xc tc
H+/OH` thu c cc peptit c mch ngn hn wWw.moon.vn Tng i t vn (04) 32
99 98 98 s 2
4. Tuyn chn nhng bi tp hay v kh mn HA HC (3)
alanin,ani1in,1ysin u khng lm i mu qui tm (4) cc aminoaxit u c tinh
lng tinh (5)cc hp cht peptit, glucozo, glixerol, saccarozo u c kh
nng to phc vi Cu(OH)z (6) Aminoaxit l hp cht hu c a chc, phn t cha
ng thi nhm amino v nhm cacboxyl. Cc nhn I1h khng ng l: A.3,4,5 B.
1,2,4,6 C.1,3,5,6 D. 2,3,4 Cu 21 [l 12157]: Ly 5,2 gam hn hp FeSz v
CuzS tc dng hon ton vi dung dch HNO3 th thu c dung dch chi `cha 2
mui V 12,208 lt hn hp N02 V SO; (ktc). % khi lng ca FeSz trong hn
hp ban u l: A.71,53% hoc 81,39%. B. 69,23% hoc 93,23%. C.69,23% hoc
81,39%. D. 93,23% hoc 71,53%. Cu 22 [92056]: Cho s sau: Clllllell
1l*''-l >X t"'* >Y +E*m' >Z ZJIEI lIIlI.t' Cc cht X, Z ln
lt l. A.CHgCOCHg, CHsCH(OH)COOH B. CHsCOCHs, (CHg)zC(OH)COOH
C.CHsOH, H0CH4NHz D. C6HsOH, HOCH4COOH C`u 23 [951 1 1]: Cho 49,6
gam hn hp X gm Cu, Fe, FezOs vo dung dch HzSO4 long (d), khuy u cho
cc phn ng Xy ra hon ton thy c 2,4 gam kim loi khng tan; 1,19 lit
khi thot ra ( ktc) v thu 'c ,dung dch Y. Cho dung dch NH] ti,d_ vo
dung d`ch Y, lc kt ta ri nung trong khng khi n khi lng khng i cn li
40 gam cht rn khan. Phn trm khi lng ca Cu trong hnc hp X l:
A.19,35% B. 20,64% C.24,19% D. 17,74% Cu 24 [I 13312]: Hn hp X gm
(Mantozo V Saccarozo), ha tan X trong nc thu c dung dch A, ha tan
trong dung dch HC1 long thu c dung dch B. Thm AgNO; d/NH; vo dung
dch A thy Xut hin 21,6 gam kt ta. Thm AgNO; d/NH; vo dung dch B,
thu c 86,4 gam kim loi kt ta. Hy tim % khi lng ca Saccarozo trong X
bit H ca cc phn ng bng 100%. A.40% B. 60% C.75% D. 50% Cu 25 [l
15936]: Cho hn hp gm 2,7 gam Al V 8,4 gam Fe vo 200 ml ung dch cha
Cu(NO3)2 IM v AgNOs 2M, Sau khi cc phn ng xy ra hon ton thu c m gam
kt ta. Gi tr m l: A.34,4. B. 49,6. C.54,4. D. 50,6. Cu 26 [115976]:
Kh este X n chc bng LAII4 thu c, ancol dy nht Y. t chy hon tn 0,1'
mol Y thu c 0,3 mol CO2 v 0,3 mol H20. Mt khc, t chy ht 0,1 mol X
th thu c tng khi lng CO2 V H20 l A.33,6 gam. B. 37,2 gam. C.18,6
gam. D. 16,8 gam. Cu 27 [I 12136]: Khi un hn hp 2 ancol no n chc
mch h khng phn nhnh vi axit HZSO4 c nhit thich h`p ta thu c 14,4
gam nc v 52,8 gam hn hp X gm 4 cht hu c khng phi l ng phn ca nhau
vi ti l mol bng nhau. Cng thc ca ancol c khi lng phn t ln hn l (gi
s cc phn ng xy ra hon ton) wWw.moon.vn Tng i t vn (04) 32 99 98 98
s 2
5. Tuyn chn nhng bi tp hay v kh mn HA HC A.CHsOH. B. CzHsOH.
C.C3H1OH. D. C4H9OH. Cu 28 [l 17877]: Cho cc nguyn t sau: 13A1; SB;
9F; 21Sc. c im chung trong cu to ca nguyn t cc nguyn t l: A.u l cc
nguyn t thuc cc chu k nh. B.E1ectron cui cng thuc phn lp p. C.u c 1
electron c thn trng thi c bn. D.u c 3 lp electron. Cu 29 [l 17906]:
Ho tan FegO4 trong lng d dung dch -IZSO4 long thu c dung dch X.
Dung dch X tc dng c vi bao nhiu cht trong S cc cht Sau: Cu, NaOH,
Brz, AgNOs, KMnO4, MgSO4, Mg(l`O3)2, Al A.5 B. 6 C.7 D. 8 Cu 30
[90689]: Vng tan c trong dung dch kali Xianua c rrit oxi. Tng cc h
s (ti gin) ca phn ng l: A.50 B. 23 C.25 D. 22 Cu 31 [77738]: 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 Brz d thy c kh thot ra bng 60% th tch
X v khi lng dung dch Brz tng 5,6 gam v c 25,6 gam brom tham gia phn
ng. t chy hon ton khi bay ra thu c a mol CO2 v b mol H20. 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=1,2molVb=1,6mo1 D.a= l,2molvb=2,0 mol Cu 32 [50941]: C th
to ra c bao nhiu tripeptit gm hai aminoaxit: glyxin v alanin? A.3.
B. 6 C.5. D. 8 Cu 33 [l 14536]: Cho ,dung dch cht X vo ung dch cht
n d thy c kt ta keo trng, sau tan. Cho dung dcIh cht Y Vo dung dch
cht Z n d thy to thnh kt ta keo trng khng tan. Cho dung dch cht X
vo dung dch cht Y khng c phn ng Xy ra. Cc cht X, Y, Z ln lt l
A.Na2CO3, NaAlOz, AlClg. B. NaAl0z, AlC1g , HC1. C.AlCl3, NaAlOz,
NaOH. D. HC1, AlCls, NaAlOz. Cu 34 [l 17760]: Nh t t 500 ml dung
dch H2SO4 1M long d vo bnh X cha m gam hn hp gm Fe3O4 V Cu (c trn
theo ti l nol 1:2) khuy u thy hn hp tan dn v cn li 3,84 gam cht rn.
Cho tip dung dch cha NaNO3 t t vo bnh X (sau phn ng ca hn hp X vi
HzSO4) khuy u cho n khi khi Va ngng thot ra thu c V lit khi NO (Sn
phm kh duy nht). Tinh m V V: A.21,6 gam; 2,24 lt. B.21,6 gam; 0,896
lit. C.l0,8 gam; 0,896 lit. D. 10,8 gam; 1,344 lt. Cu 35 [95953]:
Oxit Y ca mt nguyn t X ng vi ha tr II c thnh phn phn trm theo khi
lng ca X l 42,86%. C cc pht biu Sau: (I). Y l kh khng mu, khng mi,
khng v, tan nhiu trong nc, l kh rt c. (II). Y l oxit axit. (III).
nhit cao, Y c th kh c nhiu oxit kim loi. (IV). Y c th iu ch trc tip
t phn ng gia X nung v hi nc. (V). T axit forlc c th iu ch c Y.
wvvW.mo0n.vn Tng i t vn (04) 32 99 98 98 s 2
6. Tuyn chn nhng bi tp hay v kh mn HA HC (VI). T Y, bng mt phn
ng trc tip vi metanol (xt, t), c th iu ch c axit axetic. S pht biu
ng l: A.3 B. 5 C.4 D. 6 Cu 36 10391 1]: Nguyn t ca nguyn t M c s ht
mang in nhiu hn ht khng mang in 22 ht; ti s gira ht khng mang in V
mang in trong ht nhn l 1,154. Xc nh pht biu ng lin quan n M. A.Ion
bn ca M l Msl, do M3+ c cu hnh ging khi him gn k. B.M thuc khi S ca
bng h thng tun hon. C.Nguyn t M khng c electron c thn. D.Bn kinh M
ln hn bn knh ion M2* do nguyn t M c s lp electron nhiu hn. Cu 37
[lQ6699]: Nguyn t ca nguyn t c cu hnh electron lp ngoi ,cng l
nsznps. Trong oxit cao nht, X chim 65,22% khi lng. Phn trm khi lng
ca nguyn t X trong hp cht khi Vi hiro l A.97,60%. B. 96,15%.
C.9l,18%. D. 82,35%. Cu 38 [l26506]: Chn mnh khng ng khi ni v
benzen: A. benzen 3 lin kt i ngn hn 3 lin kt n. B. benzen 6 lin kt
cacbon - cacbon u nh nhau. C.BenZen phn ng vi HNO; (HzSO4 c) kh hn
so vi toluen. D.BenZen l mt hirocacbon thm. Cu 39 [37879]: Thc hin
ph`n ng nhit nhm m gam` hn hp X gm Al, FezO3 c hn hp Y (H = 100%).
Chia thnh 2 phn bng nhau. Ho tan phn l trong HZSO4 long d, thu c
1,12 lit khi (ktc). Cho phn 2 vo dung dch NaOH d thi khi lng cht
khng tan l 4,4 gam. Gi tr ca m bng A.6,95. B. 13,9. C.8,42. D.
15,64. Cu 4Q [67481]: Hp cht hu c X c cng thc phn t C3H9O2N. Bit X
tc dng vi NaOH v HC1. S cng thc cu to tha nln l: A.4 B. 3 C.1 D. 2
wvvW.mo0n.vn Tng i t vn (04) 32 99 98 98 s 2
