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TRTJC'NG DAr FSQC Kt-lTN BAI KIEM TRA KIEN TH TC M6N HOA HOC LOP 12 _ O9,IO
Thd'i gian ldnr biti: 90 plttit - Ng,iy tlti: 24-01-2010
Kh6i THPT Chuy6n H6a hoc
Ma dA thi: 189
Hg vh tdn sinh:............
h_gc
(X); (CzHs)2NH (Y); NH3 (Z); C6H5NH2 (T). Luc bazo
C6u 1: Cho c6c ho-p chAt sau: C2H5NH: tSrrg dAn t5ng
dAn theo th[r'tr-L
A.X
- h5n hop g6rn nito''
Ciu t7: Ho-p chAt X duo. c 1uo boi ba 1o4i lguydn tO. OOt gley hoen todLn X.thu ^d."n;q thav kh6i lLro.'ng binh
I
- L
CAu 34: Di6n phAn ilung dich rnutii CuSOa du sau thb'i gian 1930 gidy, thu duo.c 1,92 gan Cu 6' cat6t. Cr-rbrrg
dQ dong di6n trong Qr-r6 tr)nh diQn phAn ld
D 1
- TRUCING DAI HOC KIITN oAp An BAI KIEM TRA KIEN THl"pc HoA Hqc LClp - 0e.!0
12
Ngdy thi: 24-01-2010
Khoi THPT Chuy6n Hoa hoc
Ma cl6 thi: 103
CAu 4: C.
CAu 3: B.
Cdu2: A.
A. CAu 5: A.
CALr 1:
CAu i0: B.
CAu 6: D. CAU 7: C. CAu B: A. CAu 9: B.
Cdu I l: A. CALr 12: D. CAU 13: D. CAu 15: A.
CAu 14: B.
Cdu l6: B. I7: D. CAu 18:B. CAU 19: A. CAU 20: D.
CAU
2l: Cdu23: A. CA'u24: A. CAU 25: C.
C?,u22: C.
B.
CALr
CAu 2B: A.
C6'u2-l: CAu 30: A.
CAU 26: C?'rt29: C.
B. C.
Cdu 33:B. CAU 34: B.
C6'u32: CAU 35: A.
31: D. C.
CALr
CAu 39: A.
lCAu 37: CAu 40: C.
CALr 36: Cdu 3B: C.
B. C.
Ciu 41 : C?iu 42: CAu 43: C.
A. CAu 44: D. CAU 45: C.
D.
CAu 46: Cdtt 47: A. CAu 48: C. C6-l 49: C. CAu 50: D.
D.
Ma de thi: 125
l:
Cdu CAu 2: A. CAu 4: C.
CAU 3: D.
D. CAU 5: C.
C?'rt 7: C. Cdu 8: A. CAu 9: A. CAu 10: A.
CAU 6: C.
l1: C. CAU 14: A. CAU 15: A.
CALr 12: D. CAU 13: B.
CAU
CAU 20: A.
CAu 17: C. CAu 1B: C. CAu 19: C.
CAu 16: B.
Cdu2l: A. Cdu22:8. CAU 25: C.
C6'u23: A. C6'u24: A.
30:
Cdu27: A.
CAU 26: B. Cdu 28: D. C6"u29: C. CAu B.
CAu 3l: B. CAU 35: A.
CAu 34: A.
CAu 32: D. CAu 33: C.
CAu 36: A. Cdu 37: C. CAu 40: C.
CAU 39: D.
CAu 3B: C.
Cdu 42:8.
4l : B. Cdu 43: B. CAU 44: B. Cdu 45: D.
CALr
47: D. 48: D. Cdu 49: D.
CAu 46: B. CAu 50: A.
C6,u CAU
lr
Ma de thi:147
l: Cilt 2:D.
Ciiu CAU 4: A.
CAU 3: B. CAu 5: A.
D.
CAU 9:D.
CAU 8:B.
CAu 7: B. Cdu i 0: D.
CALr 6: B.
l: CAu 14:A.
A. CAu 15: C.
CAU 12: C. CAU 13: C.
CAU 1
Cdu i9: C.
CAU 1B:D. CAu 20: A.
CAu 17: C.
CALr 16: D.
Cdu 2l: C. Cdu22:8. Cdu24:D.
A. CAU 25: B.
CAU 23:
C6,u29: A.
C6'u21: A.
CAu 26: C. CAU 30: C.
CAu 28: B.
31:C. Cdu 34: A.
CAu 33: B.
CAu 32: CAU 35: C.
B.
CAU
CAU 38: A. CAu 40: D.
Cdu 36: A. CAu 37: CAu 39: B.
C.
A. C6,u 44: A.
Cdu 42:
CALr 41: D. CAU 45: A.
Cdu 43: C.
A. CAU 49: B.
C6u 48: D.
CA't4'7:
CAU 46: C. CAU 50: C.
Ma dO thi: 189
l: CAU 2: B. C6u 4: D. CAu 5: D.
CAu 3: B.
CAu B.
i0: D.
A. A.
CAU 7: B.
6: D. CAU 9:
CAU 8: CAu
CALr
CAU I l: D. 14: A.
Cdu 12: C. Cdu 13:C. Cdu 15: C.
CAu
Cdu l6: A. CAU l8: D. CAU 20: C,
CAU 19: A.
lCAu 17: C.
Ci.u23: C. Cdu24: C. Cdu25: C.
CALr 21: B. C?,.u22: A.
CA,tt21: A. CAu 28: D. Cdu 29: B. CAu 30: A.
CAu 26: B.
3l: A. CAu 33: A.
CAn32: C. CAU 34: C. CAU 35: D.
CAU
Cdu 37: A. CAU 40: B.
CAu 39: C.
CAu 36: B. CAu 38: B.
Ci'u 44:D.
CAu 41: D. Cdu 42: A. CAu 43: C. CAU 45: C.
C6u 48: A.
Cdu 47: C.
CAu 46: A. Cdu 49: A. 50: B.
CAr-r
- D4{ HqC NAM 2810 -
EAI HqC QUOC G{A HA NqX DE, T{-ffi TE{{-r X-Atq 2
TRLI(}NG B}{ KE{OA I{OC T{I N+HITF{ MON: F{CI,q F{QC
lv
x{n6l:nmPT Cteuuy6n vai Thd'i gian ldnt bdi. 90 philt;
(50 cdu trdc nghiQnt)
Mi dij ttr?i 132
Lbp
........, 56 bdo danh:
....
Hp vd ten hoc sinh;
mdi cftu sau, anh/ch! hiiy tim mQt (01) pluroltg trd ld'i lto'p lit nhAL
tfut
V6'i
H:1,C: i4,N:14,O:16,P:31,S:32,Cl:35,5,8r:80,l-i:1,Na:23,K=39,Mg:21'
Cho:
Al:21,Ca: 40, Fe : 56, Zrt: 65, Ag : 108, Ba: 137, Pb = 207
1: ne AOt ch6y htit I mol ancol X (chira khdng qu6 4 nguy€n tir cacbou trong phdn tir'. kh6ng chfra li6n h6t
Ciu
ba, chi c6 mQt d6ng phAn mach lto duy nhAt) cAn dirng 5 nrol oxi' A lA:
c. c4Hsoll D. CaHiOI-l
At c4H? (oH)r ts. c4H6(ol{)?
CAu2:Trudlghopndo kh6ngc6suphirho-pgilranhi6td6("C)vAphAnilngxayratrongldcao:
C + COu -+ 2CO
A. 500-600 CO + Fe:O4 + 3FeO + COz B. 1 s00
D. 800-1000 co + Feo + Fe * co:
+ 3Fe2o3 -> 2Fe3Oa + COz
c. 400 co
CAu 3: FIqp chAt hfr'u co X du'o-c didu ch6 tu'etylbenzen theo so'd6:
KMnOo HNO3/H"SO4 - C)H'OH- >B
'-A
,. -X
)' ,' H2SO1 HrSO.,d,dun
CTCT crha X ld:
B. iz-O2N-C6H4-COOC2HI
A. Hdn ho-p o- vdp-O2N-C6Hq-COOCzH:
D. p-O2N-C6H4-COOC2H5
C. o-ON-CcHq-COOCzHs
Cflu 4: GiAi pli6p di€Lr ch6 kh6ng liqp ly:
,d. Nung h6n hop K2Cr2O7 vir than ho4c lLm huinh d6.di6u ch6 Cr2O3.
B. Cho HrSO4 dic vdo dung dich KzCrzOi d€ di€u clr6 CrOr'
C. Cho dLrng dich kidm du'vdo dLrng dich nru6i Cr (ll) de didtr chi5 Cr(Ol-{)2.
D. D€thu dugc Cr(OFl;,c,An cho l
- CAu tr1: Iiod tan hoin todn r.n garn h6n ho-p FesOa vd Cu trorrg dLrng dich lolng vira clir, thu
Fi2SO4 dung
clLro'c
dich c6 chila 6,16 ganr hSrr hop hai rnLr6i c6 ti l€ mol 3:1. Gi6 tri cira rn lii
h.6,32 gan 8.4,24 gatn C.2,96 gatn X). 7,6 gam
Cf,u 12: I(6t luAn nAo sau cliy khing dfing.
ll. Cao su la nlriing polirrre c6 tirrlr dArr lioi
su v6i ltm hr-rynh
.4. Cao su buna-S 96r-r-r
"uo
C. To tim thu6c loai to thi6n nhi6n D. Nilon 6,6 thu6c lo4i to t6ng ho-p
Cfiu 13: CAu sarikhi n6i vd ozon:
A. Ozon tan trong nrr6c nlriAu hon oxi khoing i 5 lAn.
B. 56 ori hoi cira cAc nguydn tir oxi trong 03 ddu bing khdng.
C. Ozon c6 tfnh oxi ho6 m4uh hon oxi.
D. Trong tAt ch cac tr:ang th6i tAp ho-p, ozon d€u c6 lhd n6 khi va charn.
CAu 14: Clrgrr plruorrg art sai.'
A. Oxi lA nguy6n tO phd bi6n nhAt trong v6 tr6i dat B. Oxi t6c dlrng h6u h6t v6i cAc kirn lo4i.
C. Oxi chi6ni khoAng 20Yo th€,tich kh6ng klii. D. Oxi l2r phi kirr ho4t dQng manh nhAt
Cdu l5: Cho 5 hop chAt: CaH6,O2, CtllsOz ,Cal{1602, Cjl-{aC)2, C4H6O
.Bi6tringchAt(X)c6ngH2choracnAtryi,khi oxi lro6(X)taoramdt chfu(Z)clii chiLahai chilcaxit.Cdc
li
chAt thoA mln v6'i X
A. C4H6Or, Crll+O: r'A Crl{sOr B. C,1l{6O2 vA C:l{+O:
t). Chic6
C. C4H5O2 vA C3HaO2 C3HaO2
Cdu 15: Nh6m vit li€Lr cluo-c ch6 tao tir polirne tlii€n nhi6n
.:
!J. 'fo visco, to tdrn, cao su buna, keo cl6n 96
A. To visco, to tim, nhlra lini phirn inh
C. Cao su isopren, to visco, nilon 6,6, keo d6n gO D. Nhua bakelit, to tdm, to axetat
Ciu 17: Giii tliich irng dung cria crom kh6ng ho-p Ii:
A. Ho.'p kim cira cronr vA sit dung d6 tao thdp cfing, khdng gi, cliiu nhi0t.
ll. Crorr Id kinr logi nhe. n6n duo-c sri' dung tqo c6c ho-p kim dirng trong ngdnh hdng kh6ng.
C-'. Crom ld kim loai rAt cf ng c6 th6 dirng de cit thiry tinh
D. Di6Lr lii6n tJruong, cront fao duoc l6p md,ng oxit rn!n. b& chic ndn crorn du'oc dung d€ rna bAo vd thdp
CAu 18: Cho so'ct6 phAn irrrg sau:
y
HBr n'souaa)so'c
-I - en t
Bti -!f#-' '
'
Bi6tX,Y,Zd6ulAc6cho-pchithiLucovildnhlrngsAnph6mchinh.C6ngthfrcciraX, Y,Zldn luolld:
A. CH3CHBTCH2CH3, CH3CI-IOHCH2CH3, HOCI"izCH(OH)CH2CI{l
B. CIJTCI IBTCIH2C [{3, C F{.. CHO}{CH2CI-13, C'HICH:CHCI I]
C. BrCI-l2CH2CH2ClI3, HOCH2CHzCH2CH3, CH2:CHCH2CFI3
D. CH3CHBTCFIz CH:. C HrCI-l OHCH2C IJr, C H2:CI-IC H2C I{3
Ciu 19: Cho Cl2 tiic dung v6'i 16,2 gam kim loai M (h6a tri khdng ddi;, duo-c 58,8 garn h6n ho.p ran X. Th6i
03 du qua X nung n6ng d6n ph6n rilg hoin todn dugc 63,6 gam chAt rin" M ld:
C. Al
B.Mg
A" 7,n D. Cu
C[u 20: Axit cacboxylic mach cacbon ph6n nhinli c6 thAnh phAn nguy6n t(:: C%o: 40,68; H% : 5,08;
O%- 54,24.XId:
A. HOOC Cr12 - CH(CH3) - COOH B. CH3CH(COOH)2
c. Hooccl{2cH2cooFI D. CH,:CHCOOH
Ciu 21: NhAn x6t kh1ng dt:ng:
A. C6c polime kh6ng c6 nhi6t dQ n6ng chiy x6c dinh
B. C6c polime kh6ng bay hoi
C. Dg sd polirne kh6 hda tar trong cdc dung m6i th6ng thLldng
D. Tet cA c6c poline ddLr bdn r'frng du'6'i tirc dLrrrg cira dung dich axit
Ciu22: Cho c6c ancol c6 c6ng thfrc C+HroO. 56 ancol bi oxi ho6 b6'i CuO n6ng"do lA
c.
4.2 8.3 D.4
I
CAu 23: L6n men nr gam glucozo v6ihi6Lr sudtl5g/o, Todn b6 CO2 thodt ra drLoc clAn vdo dung dich NaOll thir
mol h6n ho-p rnudi. Gie tri cira m ld:
cluo-c 0,4
C.27 gam
8.48 gam
A. 36 garr D" D6p 6ir hli6c
C6,u 24 Cho nr garn b6t Fe viro 1 lit dung dich chfa AgNO3 0,1M + 0,1M, sau khi phAn ['ng xong
CLTQ.JO3)2
du'oc 15,28 ganr chAt r'in. Gi6 tri cira m l2r:
C.7,62 gan
A. 6,72 gam 8.5,12 gam D. 7,28 garr
- CSu 25: Cho a mol chAt hii'u co X (cl:i cliira m$t loai irh6ir chiLc) tdc dr-rng v6'i AgNOs diL trong l'lH3 thr-r c'liroc
nol Ag. Mnt khdc, c16t ch6y lioAn todn a mc,l X, tlru duo. c ncoz - l1sr6: 3 nol. X Id
zla
Il. Andehit khdng r.ro, nr6t li€n eloi don chiLc
A. Andeliit fomic
D. Andehit kli6ng no, m6t li€n d6i 2 chriLc
C. Ancl€hit no 2 clritc
rrl
I(Cl. Sau rnQt tho'i gian thLr dtLo'c 500 dLrng dich
CAu 26: DiQn phAn c6 rnAng ngdn dung dich chfi'a 1,49 galn
co pH :12. Hi0u su6t ci a qu6 trinh di6n phAn ld
D.50%
c.400A
4.25% 83.30%
Ciu 27: Hidrocacbon duo-c chon d6 didu chti axit axetic chi bing rri6t phin ilng
c. c2H4 D. CH3-CH2-CH3
A. CHr-CI-{2-CI-L-CH: E. C2H2
Cfiu 28: ne tnil hetZq ganr oxit kim loai M cAn ding 10,08 lit H2. Cho todn b0 l Ar_$ 45*-a>
Ar-l-+ A+-!
Ar_4 B
A don chflc tao ra boi ba nguydn t6 C, I{, O vd co 34,18% oxi vd kh6i liLo-ng, nhiOt d6 sdi Id 78,30C. Ar, A:,
A:, A+, 45 tuong img ld:
A. CIITCOOH, CHTCOONa, CHa, CH3CI, CHrOH B' C4.H6, C{llr0' CH4, HCI-{O, CHrOH
C. CH:COOH, CHTCOONa, CHa,I{CHO, CHrOH D' Tet c.1d6u dring
A+
C[u38:: Choso ddphinirng: Fe.Ou+H2SO4(da") " SO2+H2O.
>
H6 sd cAn bing phdn irng lAn ltroJ ld:
A. 2; (6x - y); x, (3x - 2y); (6x - 2y) B. 2; (6x - 2y); *, (3x - 2y); (3x - 2y)
(6x - 2y); t, (3x - y); (6x - 2y) D. 2; (6x - 2y); *" (3x - 2v); (6x - 2v)
C. 2;
C6u 39: XA phong h6a h€t 0, I mol este Z do'n chirc bing 80ml dung dich 1 1.2Yo cta m6t lticlroxit liim lopi liidnr
(d: 1,25 y'nrl), chung cAt, diio. c g4,6 gamchAt long vd con lai l 5,4 gan ch6t r€n khan. Z l d:
A. CsFIqCOOCTHs F. C2H5COOCTFI5 C. CTH5COOCHT tr). CFITCOOCTHT
- A. I(inr loai ning, kh6 norlg chAV ni. Co- lir.ih nhi6m tu
C. Mtiu trdng xzlrn, d6o, d€ ldn D. DAn cli€n vd clAn Irhi6t tdt
Cdu 41: T0n goi ho-p chAt CIl.r-C(CIITXC2FI5)CI-I2CH(CI'Ir)CI-IO ld:
A.2.4,4 trit'n etylhexanal E. 3,3,5-trimefylhexanal
C.2-etyl-2,4-clinretyl petttattal 1).4-etyl-2,4-dinretylpetrtanal
CAu 42: Cho so c16 phAn ilng: XAc dinh cdc nh6nr X, Y phir hop v6'i so d6 sau:
TXYY
,l)l
,rI
.-:,ji
" A,.
A. X ki -NOz, Y lA - NH2 B. X li -CH3, Y ln -OLI
C. X lA -CHO, Y Ie -COOH. D. X li -Br, Y ln -OH
Ciiu 43: ChAt c6 tinh axit manh nliAt trong c6c chAt sar-r ld:
C. CCl3 - COOH
U. CH3COOH
A. CFjCOOij D. CBT3COOH
Cfiu 44: N6u thd tich cira hdn hop gianr di n lAn thi tdc d0 cira phin ring
2SO, + 01:2SO3 se thay cl6i:
.,
C. giim n2 lAn
1,:
B. giAnr n IAn
A. gianr n ran D. giAni na lAn
Cirr 45: Tr6n hai thd tich bing nhau cira c6c dung dich AgNOr 0,44M vi PbQ.JO3)2 0,36M duo-c dung dich X.
Th€nr 0.B2li garn b6t Al vio I00 nrI clLrng djch X, clLloc m ganr ch6t rin Y. Gi6 tri cira nr ld:
C. 6.408 ganr
B. 4,86 gam
A. 0.486 ganr D. 0,648 gani
CArr 46: So sinh nhidt d0 s6i cira cic clrAt sau: ancol et1'lic (1), clolLra eg,l (2). dietl,l s1s (3) axit axetic (4)
A.(4)>(i)>{2)>(1) B.(4)>(r)>(3)>(2) C.(1)>(2)>(3)>(4) D.(l)>(2)>(4)>(3)
Cdu 17: Cho 18,12 ganr 2,4,6 - trinitro plrenol vdo mQt binh bing gang c6 th6 tich kh6ng d6i 560 cm'. D{t kip
;' :'
llc) \rflo rlfith rol clto nO O' l91l'C. ei6t ring sin phAm nd la h5n hop CO, CO2. N2, FI2 r,d 6p suAt thuc tti nho
hon 6p suit ly thuy6t 8%. 5p s.rdt tro'rg binh tai nhi€t d6 d6 bing:
C.201 atm
atnr 230,3atnr D.207,36 atni
A. 211,835 B.
CAu "{B: I(lri cho 2,2-climetylpropanol t6c dung v6'i HCi b6c kh6i thi sin phArn h['u co chinh lA:
A. l-Clo-2.2-dinretvlpropan. B. Z-Clo-:-metylbutan.
lo-2-nretylbutan D.3-Clo-2,2-dimetylpr"opan.
C. 2-C
lft khiNFI3 (dktc) qua 100 ml 0,2M, duo-c
dLrng dich hdrr ho-p AtC13 0,2M vd CuC12
ClAu 49: DAn 2,688 lu'o.'ng
.,(
Ket tua la:
C. 3,52 gam
garl
gani D. 1,96 garl
B. i,56
A. 3,03
Ciu 50: Fhuo'ng phSp di6u chd arrcol etylic tloug phdng thi nghi€m:
A. Ldn rnen glucozo.
I3. Thuj'plrAn ddn xuAt halogen troilg n6i truo'ng kidm
C. Cho hdn hop khi C:H{ vi l.lzO hoi di qua thdp chri'a HrPO4.
il. Cho C2l{q tiic dung v6'i dung dich IJ2SO4 lodng n6ng
v,,i gAf*
- [,j * *l{!{H?'N f{ri
f{:fft'{fi[''{{ftuJ,in Bdp tf n kj' thi thfr ttai ltoc niun 2010 - 4o't 2
Y'it Nli-'ww+u.cltwlwrlJ'.ciftxt'rt
DAP AN TR..AC NCFITEM MON F{O,T HOC
M6 de 132
1. C 6. C 11, c 31. B 46. ts
1.D. A
21. D C
36. 41. D
,4
16.
2. D 7, C )/.
la 27. 32. D L) 47. A
a D
A A
D
22.
11. ts
D
3.88.D t3. 33. C
]Q C 48. A
43. A
D zJ. D
38.
18. ts ts
4.D9.8 29. 34. B
14. D 49. A
39. D
D 44. A
t- 24.
19. .A
5. C 10.ts 35. C
30.
15. A 50. B
D 40. D
20. E 25. 45. (_
M6 .16 209
6.8 41. B
i.c 26. 36. C
11. D 21. A
C
16. L 46. A
31.
D
(- 42. D
7. C
2.D 27. 37. B
12. A 22. D 47. A
)
17. ts D ,L.
43. A
8.D
3.D to 28. 38. D
13. A 23. C 33. C 48. A
A
I O. B
44. C
9,8
4.C 29. 39. A
14. D 24. 34. B
D 49.
D
19.
45. B
5.8 t5. 40. A
30.
2s.
10. A 35. C
20. A 50. B
D
B B
Me dc 357
LA 4t.
2t. 26. B 36. D 46. A
11. B 16. A
C B D
31.
D
6.
r
2.C 42. A
27. A 37. C 47. C
12. B 22. D C
C 17.
7.
3.A 28. C 38. A 43. A 48. B
23. D
13. D A
B JJ-
18. B
8.
4.C 29. D 44. D
14. B 39. B 49. C
24. D 34. C
19. A
D
9.
5.8 4s. A
40. D
30. A 50. D
25. A
15. A C
20. B
B 35.
10.
Me.16 485
41. B
1.D6. 2t. 26. C
11. D 36. B
A
A C 46. B
31.
D
16.
42. A
2. D 27. C 37. A
22. C
12. B )2. C 47.
B 17. D B
7.
43. D
3.C8. 28. A 38. B
23. C
13. A JJ. C
A 48.
B D
18.
44. B
4.C9. 29. C 39. B
24. A
14. A 34. A
A A
49.
C 19.
45. A
5. B 30. D 40. D
15. D 25. D C
20. B D
B 35. 50.
10
GIAI EAP MQT So CAU HoI TRONG DE TI{I MON HoA HQC
L Trtrtng hp'p khdng c6 sry phir hqp giira nhi€t do ('C) va phdn *ng xay ra tt'ong 16 cqo:
C6u
500-600
CO + iFe2O j -+ 2Fe jOa + COt CO + Fe:Ot -+ 3FeO + COt
A.400 B.
D.800-1000
C + COz -> 2CO
c. t s60 CO + FeO -+ Fe + COt
Gidi: Drip rin ld D. Nhi6t d6 dring o'dAy ld 700 - 800 fC).
Cdu 2. Cho m gam bit Fe vdo I lit dung ciich chil:a AgNO jA,l M + Cu(NO)r0,1M, sau khi phan 4
chiit rdn. Gid tri cua nt ld: .{a
Gi6i: N6u Fe htlt vd chiAg* phdn iing thirn,fn: rn4g= 10,8 gam;
Ag* vd Cu2* da h6t thi rn ,in = m1*ip. u= 17,2 g
Nt5u Fe ht5t va ca
Vi 10,8 (-rrrrin = i 5,28 < 17 ,2 suy rsrerrrb Ag* ht!t, C-u2* phdn i'ng mQt phAn (cdn duj.
rJO S{:X I
ra Fe,
rx,iin rrvlrvs
Yrrvru ttr-oqJ t-_\_t.\r{..J1 i
l08x0,l*64n6'.pu:15,28:}nq'pU=0,07.+nrFebandAu=56[(0,l:z1+olo71=-57g
Cfrtt 3. Cho Ct2 tdc dung t6'i 16,2 gam kim loai M (hd.a tri khong diii), drcc 58,8 gam hdn hq'p rdn X. Th6i O2 du qua X
nung n6ng ddn phdn t?ng hodn todn dtoc 63,6 gam chdt rdn. M td:
ln" do M cho:ln" nlran :2ns1,* 4ne2:2[(58,8-16,2) :71]+4[(63,6-58,8) : 32]:
Girii: 1,8
M(gam) - n (mol) e -+ M"*+ I(LmolM =9n
= ChiAlthoa mdn
16,2gam 1,8 mol
Cfrry a gim J ankunal ding diing ttii uep. Hidro hod iodn todn X dap'e h,6n h7p ancol c6 khiii lwng l6n lon
H6n ha'p X
khiii lwpng cua .Y ld !,0 gam. Mdt khdc, d6t chriy X cho ra 30,8g CO2. Cdng th*c vd sO gam ctia cdc ankanal trong X ld:
Gi6i: C6c ankanal dd cho ddu don chf c, suy l3 l1p611e = Ilrrz = 1:2: 0,5
Sd nguyOn tu cacbon trung binh = 0,7 : 0,5 = 1,4 suy ra c6 HCHO
Gi6ihQ: x + y:0,5 (I) vd x+2y = 0,7 (lI) * x =0,3 vdy = 0,2
Cftu 5. DiQn phdn cd ntdng ngdn dung dich chtba 1,49 gam KCl. Sau m6t thd'i gian thu duo'c 500 ntl dung dich c6 pH --12.
Hi€u sutit cila qud trinh di(n phdn td
Girii: ,2KCl +2H2O -+ 2I(OH + Cl2 + H'
:0,01 :+ nOH- = 0,005 -+ %H: (0,005 : 0,02) I 00%:25%
pH = 12
= fOH-l
Ciiu 6. Cho 5 hqp c]nt; .CaH6O2, C1H1O2 ,CaH1nO2, C3HrO2, CI'\6O. Biiit rdng chiit (X) cong cho ra chtit (Y), khi oxi
172
hod (X) ttao la:ni'6tt chtit (Z) chi cht?a hai chr.Lc axit. Cdc chh thoa mdnv6'i X to:
2 lAn cdn C4H8O2 ld ho-p chdt tap clrric ruo-u andehit
Girii: CaH6O2, C3H4O, [d cdc andelrit tlroa m6n.
sE
Cfru 7. Dien phdn dtutg clich CaCt2voi didn ctrc lro', c6 mdng ngdn, dro'c 500 m/ dtrng tlich Z, vd I23tnl khi (o'270C, lann)
o'anot. pH dung dich Z bdng:
- Lj-i]liliil'!"h'i f{ri h'6i--tnn+'.cltr.i-\'i:ii[\'.edtr"wt I
tli!
f)rf p tire ki ilti
ItLtdi t iTPV'CltuS'1rt [',il dui ftar: niun 2010 - r&t
+ Ca(OH)2 + Clr + Ilz
CaCil2 +2HzO
Cirii: di6n phAn mAng ngftn
KhfanotldClo,n6,ll:0,005:)no11-:2nc,r:0,01=lOHl:0,02=1g[OH]:1,7--+pl'l:12,3
Cfiu8.Ddn2,688tilkhiNII3@ktc)qual00nt clungdichhdnho'pAlCt:0,2MvdCuCt20,2M,dtro'cltongk€nuata.
Gi6i: AlCl, + 3NH3 +3H2O -+ AI(OH)3J + 3NH4CI (l)
0,02 0,06 0,02
cucl2 + 2NH3 + 2H2O-+ Cu(OgrJ + 2NH4CI(2)
4,02 0,04 0,02
Cu(ogrJ+ 4NH3 . -+ [Cu(NH3)r](oH), ran (3)
C6: 0,02 0,02 thiCu
0,005
Phhn ring: 0,02
Cdn; 0,015 0
:
IrJ=0,02 x78 + 0,015 x 98 3,03 gam
Cfru 9. Oxi hod 4,0 gant nt6t ancol don chlrc X bdng oxi (c6 xtic tdc) duo;c 5,6 gam h6n hqp gim andehit, nu6'c, ancol dtr.
HiQu suh cila phdn timg oxi hod ld
Giriir Vic6 rugu du suy ra s6 mol ruou phan rlng > s6 rnol nguy6n tu oxi phan fing: [(5,6 - 4) :16] :0,1
:40=AldCH3OH=mCH3OHphiint'ng:0,1 x32:3,2gan-oAH:(3,2x100%o):4:80%
=MA
- i i, i - "'''';''..t;iii."iiiy-11';1r;l"i-'[3{yar;l}:.!Gil;.\.,t1
7.r 1-"1',11 i'lj;,:9,,:;l t"i:
Crrii: Dat kim ioai chung cho c6c l
- Iii*i t'iIi'T i.j - !)illittl.'t\tl:ii
CizwJ'€t; *'itt ilrfp
ht6i-vtr,,tu.cfut_i,e*!}'.edu.vtt Al tlti thti'dai hor, ;,iim 2{}i - ,;itt 2
rEtt {t
:6,4.LC-5
CAu 30. Tr6n hai th€ tfch bdng nhau cia cdc dung tlich AgNO j 0,44M va Pb(NO3)2 0,36M dto'c dtntg dich X. Th€m 0,828
gam bQt Al vdo 100 ml dung dich X, dtrq'c nr gam ,liat ,a, y. Gid tri cua m la;
Gi6i:Vin"doAIc6th6cho:3ner:0,092>lnc6th6nh4ncuaAg*,Pb2*:0,05(0,44+2x0,36)=0"022
:+AlduDms:m1;du+rneelmps:108x0,22+207x0,018+271(0,092-(0,034:3)l:6,40ggam
Cdu 31. So sdnh nhiet do sol cua cdc chdt sau; ancolerylic (l), clorua eryl(2), dieStl ete (3) axit axetic (4)
Girii: (4) > (l) > (3) > (2) ViCH3COOH c6 li6n ktlt hidro manh hon C2H5OH, cdn C2H5OC'H5 c6 khdi luo-ng
mol l6'n hon.
trinito phenol vdo ntQt binh bing gang c6 thd tich khdng dtii 560 cn3. Edt kip no t,do binh
Cfru 32. C.ho 18,32 gam 2,4,.6 -
,6i rho,rd d' lgll"C. Ba rting san phdm na n ndn ho'p CO, CO2, N2,-H2vd dp suiit thi tii nho ho.n ap suiiitli thtry\t 896.
dp suh ffong binh tai nhiEt dQ d6 bing:
2C6H3O?N3 + 10CO +2COz+3H2+ 3Nr(l)
Gi6i: I
C6: 0,08 0,08
rlng: 0,12
0,4 0,08 0,12
Sau phan 0,72
0
PV : In.RT
= P-thuc t€ IA,72.0,082. (191-1 + 273)].(100% - 8%):211,836 arm
Niiu thii tlch cia h6n ho;p giant di n ldn thi t6c dQ cua phdn irng
Cfru 33.
2SOt + Oz: 2SO: sd thqt d6i:
Gi6i: Tdc d0 ban dAu cua phdn ri'ng: o = klSO, ]'.[O, ] = k.(Ci)'?.C;,
Khithc tich cira h6n hop khf giim di n lin: v. = k.(n.Ci)'.(" a;)
v'?.
= fl-
Vd;y, ta cd: l6n.
-v
-- HI9T
luj dugc nhiiu ki6n thtirc vti kinh
Chrtc ctic e.m t[ch nghiQnt bd fch quo kjt thi ndy!
Khiii Chuy0n Lf - Dgi hgc Khoa hgc Tu' nhi€n - DHeGHN.
@
Phdng 103, nhi c3, KTX ME rri, 182 - Lu'o'ng Thii vinh, Thanh Xu6n, He N6i (04 38543071).
niy
C6 th6 tni bd {16p :in trOn trang web: ruJt e n h,. e d u.v n.
tuturp, cI
- B.5I E{QC Q]UOC Gr.A r"LA Ngn
^' DnI TF{n TH{-rB.A{ E{QC n AN 3 - N-AM 20ns.
T'P.UCff{G Et{ flC-IOA ;Y^QC ,-nUNInItrN
/ *,'-." 4, -
H ^T
**u::Y:_l_i:y_::__yj-"t MON, Ftrda }*oc
i}T'iiifai: lo ur,u,
n,ai
(50 cdu *dc nghiAm)
fhi
lvna de !-52
(0!) p\ewomg dre trd ldi legB lj, rukiilt.
Ft6i rcedi c&u swu, anlr/cfe! fedy tine ree\t
: : : Al:27,5 :32, Cl: 35,5, K:
:1, C: 23,Mg:
Cho: H N 24,
16, Na
12, 14, O 39,
64,2n:65,49:
Ca:40,Ct:52, Fe: Ba= 137
56, Cu= 108,
rltf SINEI (40 c6u, rdr cdu 1 d{in c6u 48}.
rAr
I. PHAN CHUNG CI{$ CA
CAu 1: FIod tan hohn todrn m gam h6n hqp Ba, Na, K vdo nudc (du) th6y tho6t ra 6,72lit H2 (dktc) vd
dung dlch X. Trung hod 1/10 th6 tich dung dich X cdn Vml dung dfch HCI 1M. Gi6 trf cira V bing:
120m1 C.60ml
A. B0ml B. F.300ml
CAu 2: EO chii tao rudt phich ngudi ta thuong dirng phdn img cria dung dich AgNO3A{H3 v6i chAt ndo
dudi ddy?
Axetilen fornic fomic
A. B. Axit C. Andehit D" Glucozo
C6u 3: K,hi thuj'phAn 0,0i mol este E tao boi axit hiru co don chrlc X vd ancol Y thi dung dfng l,68gam
KOH cdn ldri thuj'phdn 6,35 gam E thi cAn 3,0 gam NaOH vd thu duoc 8,25 ga:l mudi. CTPT ctra este
oo Ia:
CrzFIr+Oe CsHrzOo CrzFIzoOe
A. B. C. S. Cr+HrsOo
CAu 4: Cho cdc chAt sau: propin; andehit axetic; axit fomic; glucozo; saccarozo; etylfomiai; etyl a,.cetat.
C6 biio nhiOu ch6t t6c dung duqc v6i dung dfch AgNO/lriHr ?
'
8.5
4.7 C"6 w"4
CAu 5: Trong c;dc chdt sar-r: H2O2; O:; HNO: vd KMnOa, chAt chi th6 hien fiiih oxi ho6, kh6ng hign
UrC
klu
qia! !d:
HNO3 C.O:
KMnO+
A. B" D. HzOz
6: C6 6 6ng nghi6m, m6i Ong chira mQt trong cdc dung dich sau: glixerol, glucoz6, ldrig tring trung,
C6na
axit fomic, natri hidroxit, axit axetic. Ed phAn biQt 6 dung dicir trdn c6 th€ dung 1 loai thuOc thri ld:
CuSOq AgNO3A{H3
Quj'tim
A. F. Brz
B. C"
CAu 7: Khi trilng ngmlg 7,Sgam axit amino axetic v6i hi€u suAt 80%, ngodi amino axit du cdn thu duo'c
m ga{n poiime vd l,44gam nudc . Gie tri cria m ldr
5,569 C.4,25g
6,009
A. B. W.4,56g
CSu E: Khi cho NH3 du t6c dgng vbiClz, sdn phAm thu duoc ld
NH4CI F{Cl NH:
,A." Nz vd B. Nz, NHg, C. Nz, NH+CI, D. Nz Hz vd HCI
Cdu 9: Tri dung dich I(zSO+, sd phuo'ng trinh ho6 hgc tdi.thiiiu K ld:
Aieu chi5 duoc
AC
A.3 C.2
8"4 D. I
C6u trO: Cho c6.c chAt FeO, FeS, Fe2O3, Fe3O4, FeCO3, Fe, FeSOa, FeS2, Fe$trO:)r. Sd chAt c6 khd ndng
nhuong it hcvn 3 electron khi t6c dqng v6i dung dich HNOI 1o5ng, du ld:
' 8"9
A.7 t.6 D"B
C6u X 1: Cho 2,16gam Mg tdc durrg v6'i HNO3 (du) duoc 0,896 lit klrf NO (dktc) vd dung dich X. Kh6i
iucrng mu6i khan thu ducrc khi ldm bay hoi riLrng dich X ld:
.4-. 15,389 B" i7,B2g C. 13,929 D. 16,249
Chur n2: I{5n ho-p X c6 C2H5OIJ, CzFIsCOOI{, CI'I3CFIO trong d6 CzHsOI-{ chiSin 50% s6 mol. D6t ch6y m
gam X thu dr,roc 3,06 gan-r Il:O vd 3,i36 lit CO2 (riktc). I\4at khdc 13,2 gam h6n hEp X il.ru.:c hiCIra hodn todn
Ci6 tii cira p id:
-phan *ng tra,rg bac itrut7c p gam Ltg.
2,169 8,6t9 C.9,72g
.A. 8," D;. 10,39
ii ,1i,r xuAt
C6u li:i: C6 bao rdri€u benzen cri C'fF,n' b,CtHsAz'/
r:u,a
cterug 61121
l$"4 C"3
$,i D,.6
di tiri l.l
- lr'tA
TLarig :
1,1':1,
- .CAu14':Choc6cc5pkimloaisauti€priic-vc'inirau: Ai-Pe;Zn-Fe; Sn-Fe;Cri-Fe
pC iau trong khdng khf Arn, cdp kirn loai trong d6 sit bi 6n rndn ld:
A. Ciri c6 c{p Zn - Fe B. CAp Cu * Fe vA Sn - Fe
Fe va Zn - Fe
C" C+p A1- B. Chi c6 cdp Sn - Fe
CAu n5: Cho h5n'hqp g6rn bdt Fe3Ca vd r,'rm ddng vdo dung dich HCl. KCt thuc phAn rnig, loc t6ch r"r,rn
ddng du, duoc dung dich X. Dung dich X chua mu6i'
A. FeClg ts. FeClz, FeCl3, CuCl2 C" FeClz vd CuCl2 D. FeClz vi FeCl3
Cdu tr5: OOt cnay hodn todn m gam m$t arnin bing khdng khi vria dri. Trong hdn hqp sau phAn ung chi
c6 0,4mol COz; 0,7mol H2O vd 3,1mol N2. GiA tri cria m ld.
C. 9,3g
A.12,69 8" 6,29 D. 9,0g
CAu tr7: Jrolg cdc ch6t: lipit, saccarozo, tinh bQt, xenlulozo, protein, glucozcr, mantozo, fructozcr, glyxin,
alanin, s6 chAt c6 thil tham gia phan rmg thuy ph6n ld:
C.6
A.8 E" 5 D,4
Cdu tr8: Rugu'Lria M6i c6 d0 rugu la 450. Trong 1 chai rugu Lria Mdi dung tich 650m1 c6 bao nhi€u ml
CzHsOH nguydn chAt t
A.239,5m1 8.292,5m1 C.229,5m1 D.293,5m1
C6u 19: Cho dung dich NHr diln du vAo dung dich chira 3 mudi AlClr. ZnCIz, CuSO+ thu dugc ket trla X.
Nung ktlt tira X dugc ctr6t rin Y, sau d6 dan khi H2 du di qua Y nung n6ng thi chiltrtnthu dugc c6
,4. AlzO: vd Cu B. AlzO: C" Al vd Cu W. Zn
CAu 20: Hod tan h5n hqp g6m 16,0 gam Fe2O3 vir 6,4 gam Cu bdng 300m1 dung dich HCI 2M. Khi phan rmg
xay ra hoan toan thi kh6i lugng chAt ran chua bi hod tan ld:
.4.. 0,0g C.5,6g
ts.3,2g D. 6,49
: 13. Gi6 tri cria m ldr:
Cffu 2X: Hod tan m gam Ba vdo nudc dugc 1,5 lit dung dich c6 pH
A. 10,2759 C. 6,8109
ts. 8,3259 D. 15,2509
CAu 22: H6n hcrp M g6m 2 este don chric X, Y hon kdm nhau I nh6m -CHz*. Cho 6,7garn h6n hqrp M
t6c dung vua du viri 100 rnl dung dich NaOFI 1M thu duoc 7,5gam hdn hqp 2 mui5i. C0rig thric c6u t4o
cuaXi.'dYId:
CHTCOOCHg
A. CH3COOCzHs vd ts" HCOOCH3 vA CHTCOOCH:
HCOCCzHs D" CI{3COOCH: CH2 vd F{COOCH: CHz
C" HCOOCH3vd
23: OOt chay hoin todn 6,2gamphOt pho trong oxi du. Cho sdn phAm tao thdnh t6c dgng v6i 150m1
CAua
dung dfch NaOH 2M. KhOi lugng mudi thu duoc tlong dung dieh ld:
C.24,69
A"26,29 8"25,89 D.25jg
Cdu 24: Nguydn tri X c6 ph6n ldp ngodi ctng trong c6u hinh electron 4sr. Eien tich hat nhAn cira
ldL
nguy0n tft X la,
19
A"24 8"29 C. D. A, B, C ddu dring
C6u 25: nOt chay hoan toan 2}4 lit (dktc) hdn hqp khi g6m CH+, Czllq, 6,l6garr
C+Hro thu dugc
CrHe
CzHe , vdL
COz vd 4,I4gamHzO. SO mol Czll+ trong h6n hqp li:
.A.O,0lmol 0,02mol
ts.0,09mo1 D. 0,08mol
C"
C6u 26: Ion ndo sau ddy c6 32 electron:
CO:2-
NHqn NO;- D. NO:- vri CO32-
E. C.
A..
CAu 27: Dirng nudc brdm khdng th6 phAn biQt duoc cEp dung dich ndo sau dAy ?
gluc6zo saccarozo
ts" Giuc6zo vd
.A. Fomand0hit vd I
C. Glucdzcy vd fructdzo D. Fomandehit vd Saccaroz
- C6u 3S: Cho 1,92gail Cu vio 100ml dung dich X gdm F{NC3 0,2h4 vi F{zSOa 0,2Mthdy c6 klii }dC
ii}
sdn phAm khu duy nhet) tho6t {a . Sau khi phAn ung xiy ra hodn toirn, dern c6 can dung dich thu duoc liSi:
ho.p inudi khan Y c6 kh6i iuong la:
{- A15o s. 5,589
.a. 3,369 B. 3,679 l,Jvb
v'
C6u 3n: Trong sd c6c ion Ca2*, Mg2* , Na*, K*, cation c6 bdn kinh nh6 ritrAt ta
A"Mg'* {.-" rsl
n r B. Nai S. Ca2*
C6u 32: Tu hdn hgp g6m 2 kim loai Fe vd Cu, de thu duoc Cu kim loai ta c6 th6 dtng dung dich du cria:
A. Fe OtrO)z S. MgSOa
C. Cu O{O:)z
B. FeCl:
pH:3,0 thi li
CAU 33: Dung dich axit fomic 0,007M c6 d0 diQn a bdng
c.18,32%
4.15,2804 w.l6,62yo D" 14,28%
CAu 34: EC nhAn bi€t dung dich FeSOq vd Fez(SOq)3 ta cAh dirng thu6c thri ld:
.4. Dung dich AgNO3 B. Dung dich KMnO+/Fi*
C. Dung dich NaOH D. A, B, C dAu dring
Cdu 35: NgAm 1 dinh sit sach vdo 200m1 dung dich CuSO+. Sau khi ph6n img k6t thirc, 6y dinh sit kh6i
dung d!ch, nia s4ch, Hm kh6 thAy kn6i luqng dinh sit tang th6m t,6gam. N0ng d0 Cr'r ctra dung dich
CuSO+ ban dAu ld:
- ts.0,25M D. lM
C.2M
A, O,5M
C6u 36: Hdn hqp X g6m 0,3 mol CzHzvir 0,4 mol H2. Nung n6ng X v6i Ni mQt thoi gizu duoc hdn iio.p
Y. DAn Y vdo binh dir:rg dung dich br6m du, h6n hqp khi bay ra khoi binh la h6n hqp Z. E6t Z thu duc'c
8,8 gam COz vd 7,2 gam HZO. Kh0i lugng binh clqng br6m tdng l6n ld:
c"3,2g
4,5,4g D. 1 1,8g
B" 7,Bg
CAu 37: Hod tan hoan toan h6n hqp gdm I kim loai ki6m vd I kim loai kiem thd trong nuoc (du) oiugc dung
dfch A vd 1,12 lit H2 (dktc). Cho 0,03 mol AlCl: vdo dung dch A . I{hOl tuqng k5t tua'rhu ducy. c ld: :
c"2,349
ts.1,97g D.0,789
.&. 1,569
C6u 3E: Cho hdn hqp g6rn 0,2 mol ancol A vd0,2 mol ancol B t6c dqng v6i Na du sinh ra 0,5 mol H2. I\4Ot
h6n hqp khdc g6m 0,3 mol ancol A vd 0,i mol ancol B cho t6c dung vdi Na du thi sinh ra 0,45 raol H2. Sd
nhdm chuc cira A vd B lAn lucrt ld:
ts.2v43 C.3 vd2
.4.3 vd 1 D. 1vd3
39;-C6-bao niii€ud6ng phdn-rn4ch lidtdcdprig duoc v6i.Na c6 CTFT lnC.:HoO:.
-C6u
R4
4"5 E-s
!.-- ',)
-1
CAu 40: So s6nh tinhbazo srtachc chAt sau:
C6H5NHz -NHz -NF{2
(a) (c) CF{3 - CoH+ -
(b) CHr (d) O2N - NHz
CaH+
.4.(a)>(b)>(d)>(c) ts"(a)>(b)>(c)>(d) C.(b)>(c)>(a)>(d) B.(a)>(c)>(b)>(d)
ffi. PEi,AN rufiruG {1S CAEi} TFsi si*e\a c[af dwgc ctupw {dwe wcQt trorcg Feaipleiire {A Fao#e B).
A,Sbegslaw srre trjgn\a s.t\uiln $ 0 c fru jla c A u 4 I ii6nJfr-la 58 i
CSr-a 4tr: Di6n phdn hodn todn 100m1 dung dich NaCl c6 mdng ngdn x6p thi t,5ng flrti tich 2 khi tho6t ra cr
andt vd catdt la 4,48lit (dktc). Ndng dQ C5a cria dung dich NaCl ban dAu ld:
.4, 1,2M D.0,8M
B" 1M C."2M
politpeptit X vdi hi6u su6t 80% thu duoc 14,04gam m6t amino axit Y.
C6u 42: Thu! phAri i4,0gam mQt
Cdng thr?c cdu tao cua Y ld:
A. HzN - CH(CH3)COOH ts. H2N(CHz)sCOOH
A"H2N - CHz - CHz-COOH D. ts vd C d€u dring
C6u 43: Fiod tan het tr6,3gamh6n hqp kim" loai gdm Mg, Al vd Fe trong dung dich HzSO+ ddc, ndng tiru
durvc 0,55ilol SOz. Cd c4n dung dich sari phAn ring, kli6i lugng chAt r6n thu c-ugc ld:
c"
.4r.48,99 ts" 69,1g D" 138,2g
103,55g
CSu 414.: F{i6u fng nhd kinh ld liiQn tuqng trai ddt, dang 6m dA:i i6n do c6c bri'c y,a c6 bu6c s6ng ddi irong
viing hdng ngoai bi gi& lai nri khdng buc >
- Cau4.6: Cldckinl ankan ld ihu ciLrgc irSn lic-p gdili CH
- KhoiTEIPT Chuyhtlidt Ly * ilItKItTN f{dNoi Ddp dn lq' thi thit dai hoc nam 2010 - dot 3
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cmr pAp Mqr so {lAu HoI TRONG iltr ncA Hoc
T}eI tr,co;',t
CAu I.Nguy1niltXc6phankipngodicirngtrongcuuhinltelectronld4st .DiAntichhatnhdnc.iio.nguy€ntLrXtd.
- l9), Cr (Z:24)
ti: l< (Z
Girii: Cdc nguy€n
, iZ = 29) cj€l co phAn lop ngoAi cine rrong
'td Cu cAu hinh electron
lir 4s',
Cta 2, OAt chay hodn toim 0,336 tit (dktc..t ntQt ankaclien li\n hop X. Sdn phdm chdt, droc hdp ihu hodn todnvdo 40ml
dung dich Ba(OH)2 l,5M tlru droc 8,865gatn kdt nia. CTPT citaX lit;
:
Gi6i: n1 :0,015 ln0l, ns.16Hy2: 0,06 mol, 0,045 rnol.
nsnco:
+
C*H, x CO2
v6i dung dich Ba(OH)2, c6 hai truong hgp:
CO2 tac dung
: + x:3 -+ C3Ha.
+ N6u COz khdng du: n6s2: 0,045 x.0,015
:
+ N€u COz du: n662 0,075 : x.0,015 -+ x = 5 + C5H3
Do X ld ankadien li€n lro.p n€n chi c6 X ld C5Hs th6a mdn.
Cdu 3-HinhqpXgdnt0,3lnolC2H2vd0,4mol H2.Nungn6ngXvcriNimQtthd'i gianduoch6nho'pY.DinYvdobinh
p Z. Di* Z thu da{c 8,8 gatn CO2 vi 7,2 gam H2O. Kh6i
dy'ng dung dich br1m da, h6n ho.p khf bay ra khoi binh ld hdn ho.
Iuo, ng binh dtmg br6nt tdng lAn ld.
X ili'" >Y -tt'' >7--:0'
Ci6i: sCO,+ H.O
ny = nr\': rr + mz
Theo dinir lLr6t bAo todn kh5i luo-ng:
ddY: nlx = ?6 x 0,3 'l- 2 x 0,4 = 8,69
O
= l't
'1
n +1 '2 ,2 -
= 3,2g
nl7- 1i16 16611 t.tt1.1
1pp61
"
4.4 18
- 3,2: 5,4 g
-) m = 8,6
- j - DHKHTN ffldNdi-www.cLtuyenly.edu.vn ildp dn ky thitht?daihoc nhn20l0 3
- dot
KhiiTLdyf ChuyAnVAr tr
C6u 4. E6t chal, hodn toint 6,2gam ph6t pho lrong oxi du. Cho san phdm tao thdnh tdc dungvo'i I50ntl dung dich NaOH
2M. KhOi laong nnfii thu dmt'c trong dung dich ld:
Hf
P3+ PrOr--:!E--+ 04
Giei:
= 0,2 tnol -+ np3pea : 0,2 mol !t-:
tl^'u,)H
-+ Xdy ra hai ph:ln ri'ng:
1,5
-',
np =
u.trt., 0'2
I7
HrO
+ NaH2PO. -r
NaOH + HsPOa (1)
H2O
2NaOH + H:PO+ -+ Na2HPO4 + (2)
(1) vd (2) la p t. Ta c6:
H3POa tharn gia
mol v2r
Dat si5
:
Ilsipoe = p + l= 0,2mol vit llNooH P + 2t= 0,3 mol
-+ p: t:0,1 mol J D',6; = 0,i x 120 + 0'1 x 142:26'2 g.
i
FeS, FezOs, Fe:Ot, FeCO j, Fe, FeSOa, FeSz, Fe (NO)2. SO chiit c6 khd ndng nhtrdng it hon
Cdu 5. Cho cdc cttiit FeO,
electron khi tdc dr.mgvoi &tng dlch HNOt lodng, du ld:
+
Giiii: Nhuimg 3e: Fe (Fe - Fe3")
3e
8e+ l4e-+
Nhudng>3e: Fes (Fe2*- le -+ Fe3*, 52-- su*); FeS2(Fe2t- 1e -> Fe3*,2S1-- 2s6*)
? chAt cdn lpi nhudng it hon 3e.
C&u 6. Cho h|n hop gim 0,2 nol ancol A vd 0,2 ntol arrcol B tdc d4ng v6'i Na du sinh ra 0,5 ntol H2. MAt hdn hqp khdc gim
0,3molancolAvit0,lmolarrcolBchotdcchmgvdiNaclathisinhra0,45ntolH2.56nhdmch*cctiaAvdBtinluptld:
B la R(Ol-l)i va R'(OH)'.
A
Giiii: D4t c6ng thrhc v2r
(
to.s=Io.zr'!o.z
2s
2 _> tt = 2,r,t
1 =3,
lo.+s=10,;*Ao,t
2
t. 2
Cda 7. H6n hop X c6 C2H jOH, C2H5COOH, CH3CHO trong dd C2HsOH chi€nt 50% s6 mot. Eiit chay m gam X thu duoc 3,06
gam H2O vd 3,136 tit COz @tac). Mdt khdc | 3,2 gam hdn hqp X thtrc hi(n hodn todn phdn *ng trdng bqc drqc p gam Ag. Gid tri
^"^ ^ t;.
mol cua CzH:OH, C,HiCOOH, CH3CHO trong m gam X lAn lugt ld a, b vir c. Ta c6:
Giiii: D4t s6
a = b + cl Dcoz = 2a + 3b t- 2c : 0,14; ny126 = 3a+ 3b + 2c = 0,1 7
+ a:0,03 mol, b: 0,02 mol, c = 0,01 mol.
: 46 x 0,03 +j4 x0,02+ 44 x 0,01 = 3,3 g.
_) m
Ilcu:cso= 4 x 0,01 :0,04 mol
-)
gX X
gap a Dn m gam
73,2
:
-t n^*: 2 x 0,04 = 0,08 mol -; 8,64 g.
ITIAts
r 7-- t,,.-- !!- )^..-^..-'-^ J-\ -.a:
Cdu S.HOnhqpMgc)nt/e,rted].'nchLtjA, l.l1o'n.Kem^nno1.r::ontlnt-.Lnuo,/Burt'tnunrtVPtvi.ucuttttEvquuuvuL
^t
100 ntl dung di;h N;OH lA4 thtr dtro'c 7,5gum hin ho;p 2 mu6i. Cong thuc ciiu tqo am.X'vd Y ld;
Girli: ooNa + R'ou
ncoqn' -+
+ NaoH Rc
NNuon:0,1 nlol iD"sr"=0, I rnol,n,nu6; =0, I mol
:
j -> n + n'= Z:
Mo,"= 6,7 :0,1 67
: R':
g va
M'uoi: 7'5 : 0,1 =75 -> R 15
d6 suy ra CTCT cira 2 este le HCOOCH3 vd CH3COOCH3.
Tu
thi ditng ding l,68gam KOH cdn khi thuy
Khi tluj, phdn 0,01 mol este E tqo boi axit hfru co don chnc X vd ancol Y
Cdu 9.
*uiji. cia
phdn 6,35 gam'i thi cdn 3,0 gant NaOH vd thu dtqc 8,25 gatn este db ld:
CTPT
Gidi: n66s = 0,03 rnol = 3.np -> E la (RCOO)3R'
(RCOO)rR' + 3NaOH -+ 3RCOONa + R'(OH)3
-+
0,025 0,075 0,075
:
: 6,35 : 0,025 = 254 -+ 3R + R' 122
Me
D -11 (C L7 \.rAT)': Al (C-lf-: /\nr
- l
I
Hd N 6i * u,u,w.clxulenlj.etlu.vtt
Khii TI{W l;j - DItKit'!'N
Chuy4n Vdt frdp dn lq thi thti dai hoc nom 2AM - dor 3
: ns,:
0,02 inol --> 0,04 rnol, nlsoa;z_ = 0,02 mol
nu:soq
3Cu + 8H* + 2NO:- -+ 3Cu2* + 2NO + 4H2O
0,03 0,06 Q,02
Theo phin ri'ng tlii Ht (0,06 rnol) phan ring hrit
3
-+ Lrr- =:0.06
.. .- = 0,0225 mol
1.1
O -
o
0,25 . 0,06: 0,05 nrol
-
= 0,02
nNo3- do
:IDsu * + lrso4:0,0225 x 64 + 0,005 x62 + 0,02x96 --3,67g.
l,1rxs3
rlrmuoi
Cdu 1LCho2,l6gamA4grdcdttngv6'iHNOt(dLildu.oc0,896 lir khi NO(dktr:) vitclungclichX.Khoilap.ngntu6ikhanrhu
loi dutg clich.\' Ld.
khi ldm bay
dwo'c
Girii: Mg - 2e -n Mg", N*5 'l ie -+ N?*
0,09 0,04
Ilenhuorg= 0,09 x 2 : :
) 0.i2 mol.
0,18 i.nol 0,03 x 4
n.,,,,;.,, =.
Suy ra cdn 0,06 rnol electron N5' rrhin d€ chu1,6n ihiLnh r.\3- (tr.ong nru6i Nl-l.rl\Or)
+
N5n + 8e N3- (trong a urol NI{1NO3)
Tac6: ax8 =0.06-+ a=0,06:8:0,007i mol
ffi = Drrlg{No:)z * mNu+r\o: = 0,09 x 198 - 0,0075 x 80: i3.929.
Cftu 12. Thfi' phdn I 4,0gam )i j'. C6i1g ilui'c cdt lao
politpeptit dtnc I '/,A4gtun in6t cuttiito
t,6'i hiau strdt 8t)?4 l.htr
mQt axlt
cila Id:
Y
Girii: (-NH - R- n NH, - R- COOH
-)" + n llOH.+
CO
n(R+43)g n (R + 6l) g
4x0,8=11,2g I-1 (lJ ,,
: (-C.llr-.j
-+ Giai ra ta thu 28
dLlo'c R
o,
Y phiii jir
Vi X la polipeptit n€n -
aurirro axit NI,Jl CH(Cl,lr) - COOH.
Cda 13. Hod lan h€t 16,3gant hdn hup ktttt lt,.ti go.rtr A,/g, A! t'i Fe trone chrng cliclt H2SO.1 ddc, ndng ihzt titioc 0,5St:tol
SOz. CA cqn dung dich sau phcin Llntg, kltoi lLt,.,ri,t chiit ran tlnt dtrrLc iit.
Giiii: + H2SO4 --, |r4.,(SOi),, + SO2 + ll2o
N4
2'[[ :2i e :i 2M"'-(iioiig Itr(SO;)J at;
s6'' 1, o,:: moi sor)
Sa' 11i.,rirg
n:
Suy ra ns6a = (112) = ( l/2)n" 0,5,i
ne nhrong nhin ==
: : :
* 16,3 + 0,55 x 96
fii56a 69,1 g
ffimu6i 11111
I bir, cd so nfit xicth ,
Cfru 14. Trong kg gqo chiro Bl% tinh C6FIt0O5- lh;
li, I "]q tr!l
Gi6ir s6 mol mitxich -c6H1sor
lAA xT62
x10r x81
I
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