De Thi Thu Mon Hoa 2012_DHV

8/2/2019 De Thi Thu Mon Hoa 2012_DHV

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Trang 1/4 - M thi 132

TRNG I HC VINHTRNG THPT CHUYN

THI KHO ST CHT LNG LP 12, LN INM 2012

MN: HO HC(Thi gian lm bi: 90 pht; 50 cu trc nghim)

H v tn th sinh:............................................................S bo danh:................. M thi 132

Cho bit khi lng nguyn t (theo vC) ca cc nguyn t : H = 1; Li =7; C = 12; N = 14; O = 16; Na = 23; Mg = 24;Al = 27; Cs = 133; Rb =85; Cr = 52; Mn = 55; S = 32; Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Br = 80;

Ag = 108; Ba = 137.

I. PHN CHUNG CHO TT C TH SINH (40 cu: Tcu 01 n cu 40)Cu 1: Oxi ha mt lng ancol etylic thu c 8,68 gam hn hp X gm CH3CHO, CH3COOH, C2H5OH v H2O. Chia hnhp X thnh 2 phn bng nhau. Phn 1 tham gia phn ng trng bc thu c ti a 10,8 gam Ag. Phn 2 tc dng va viNa thu c m gam cht rn v c 0,896 lt kh H2 thot ra (ktc). Gi tr ca m l

A. 5,36. B. 3,9. C. 7,1. D. 3,41.

Cu 2: Hn hp X gm C6H5OH, C6H5NH2. Ly m gam hn hp X tc dng va vi 200ml dung dch HCl 1M thu c hn hpY. Cho hn hp Y tc dng ht vi 500ml dung dch NaOH 1M, ri c cn thy cn li 31,3 gam cht rn khan. Gi tr m l

A. 28. B. 14. C. 18,7. D. 65,6.

Cu 3: Hn hp X gm C3H4, C3H6, C3H8 c t khi so vi H2 l 21. t chy hon ton 1,12 lt hn hp X (ktc), ri hp thton b sn phm chy vo bnh ng nc vi trong d, lc b kt ta, khi lng dung dch thu c so vi khi lng ncvi trong ban u

A. tng 9,3 gam. B. gim 5,7 gam. C. gim 15 gam. D. gim 11,4 gam.

Cu 4: Ancol khi b oxi ha bi CuO, t nng to ra sn phm xeton l

A. ancol butylic. B. ancol tert-butylic. C. ancol iso butylic. D. ancol sec-butylic.Cu 5: Nung bt Al vi bt S trong bnh kn (khng c khng kh) thu c hn hp cht rn X. Cho hn hp X vo dung dchHCl d, sau phn ng hon ton thu c hn hp kh Y v mt phn cht rn khng tan. Khng nh khngng l

A. Hn hp X c kh nng tan ht trong dung dch HNO3c, nng, d.B. Trong hn hp X c 3 cht ha hc.C. Cho hn hp X vo H2O c kh thot ra.D. Hn hp X c kh nng tan ht trong dung dch NaOH long, d.

Cu 6: Cho 100 ml dung dch FeCl2 1M vo 500 ml dung dch AgNO3 1M, sau phn ng hon ton khi lng kt ta thuc l

A. 28,7 gam. B. 10,8 gam. C. 39,5 gam. D. 71,75 gam.

Cu 7: Hp th ht V lt kh CO2 (ktc) vo 300ml dung dch hn hp cha ng thi Ba(OH)2 1M v KOH 1M thu c 19,7gam kt ta v dung dch X. Cho KOH d vo dung dch X li xut hin thm m gam kt ta na. Gi tr ca V v m ln lt l

A. 17,92 v 39,4. B. 17,92 v 19,7. C. 17,92 v 137,9. D. 15,68 v 39,4.

Cu 8:t chy hon ton 1 mol ancol X no, a chc, mch hc kh nng ha tan Cu(OH)2 cn mt lng va l 5,5mol O2. S cng thc cu to tha mn iu kin ca X l

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

Cu 9: Hp cht hu cX ng vi cng thc phn t C3H10O2N2. Cho X vo dung dch NaOH un nng thy to ra NH3. Mtkhc khi X tc dng vi dung dch HCl to ra hn hp sn phm trong c mui ca amino axit. S cng thc cu to thamn vi iu kin ca X l

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

Cu 10: Dung dch X cha ng thi cc ion Na+, Ca2+, Mg2+, Cl- , HCO 3

v SO2

4 . un nng dung dch X ti phn ng

hon ton thu c 3,68 gam kt ta, dung dch Y v 2,24 lt kh thot ra (ktc). em c cn dung dch Y th thu c 13,88gam cht rn khan. Tng khi lng mui c trong dung dch X ban u l


Cu 11: Dung dch X cha ng thi 0,02 mol Cu(NO3)2 v 0,1 mol H2SO4. Khi lng Fe ti a c kh nng tc dng vidung dch X l (bit sn phm kh ca NO 3l kh NO duy nht)


Cu 12: Cho hn hp bt FeCO3 v CaCO3 vo dung dch HNO3 long, d, sau phn ng hon ton thu c hn hp 2 kh ct khi so vi H2 l 20,6 (trong c mt kh ha nu trong khng kh). Phn trm s mol ca FeCO3 trong hn hp ban u l

A. 75%. B. 80%. C. 50%. D. 77,68%.

Cu 13: Hp cht hu cX c cng thc phn t C3H6O3. Khi un nng X vi dung dch NaOH d thu c 2 sn phm hucY v Z trong Y ha tan c Cu(OH)2. Kt lun khngng l

A. X l hp cht hu ca chc. B. X c tham gia phn ng trng bc.C. X tc dng c vi Na. D. X tc dng c vi dung dch HCl.

Cu 14: Khng nh khngng v cht bo lA. Cht bo l trieste ca glixerol vi axit bo.


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B. un cht bo vi dung dch NaOH th thu c sn phm c kh nng ha tan Cu(OH)2.C. Cht bo v du mbi trn my c cng thnh phn nguyn t.D. Cht bo nh hn nc.

Cu 15: Dy ha cht t nht cn dng tch ring tng kh ra khi hn hp gm CH4, C2H4, C2H2 lA. dung dch AgNO3/NH3, dung dch KMnO4, dung dch HCl, Zn.B. dung dch AgNO3/NH3, dung dch Br2, dung dch HCl, Zn.C. dung dch NaOH, dung dch KMnO4, dung dch HCl, Zn.D. dung dch KMnO4, dung dch HCl, Zn, dung dch Br2.

Cu 16:t chy hon ton 48 gam hn hp cc kim loi gm Mg, Al, Zn, Cu trong oxi d thu c 60,8 gam cht rn. Cngcho 48 gam hn hp cc kim loi ny vo dung dch H2SO4c,ngui, dn khi phn ng xy ra hon ton thu c 11,2 lt

kh SO2 (sn phm kh duy nht, ktc). Phn trm khi lng ca Al trong hn hp ban u lA. 5,4%. B. 11,25%. C. 10,8%. D. 18,75%.

Cu 17: Hp cht hu cX c cng thc phn t C3H5Br3. Khi un nng X vi dung dch NaOH d to sn phm hu cckh nng tham gia phn ng trng bc. S cng thc cu to tha mn vi iu kin ca X l

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

Cu 18: C cc nguyn t ha hc Cr (Z =24), Fe (Z = 26), P (Z = 15), Al (Z = 13). Nguyn t m nguyn t ca n c selectron c thn ln nht trng thi cbn l

A. Fe. B. Al. C. P. D. Cr.

Cu 19: Hp cht hu cX a chc c cng thc phn t C9H14O6. Thc hin phn ng x phng ha hon ton X sn phmthu c l hn hp 2 mui ca 2 axit hu cn chc (trong c 1 axit c mch cacbon phn nhnh) v hp cht hu cachc Y. em 13,08 gam X tham gia phn ng trng bc th khi lng Ag ln nht thu c l

A. 12,96 gam. B. 25,92 gam. C. 27 gam. D. 6,48 gam.

Cu 20:in phn (in cc tr, mng ngn xp, hiu sut 100%) dung dch cha ng thi 0,3 mol CuSO4 v 0,1 mol NaCl,kim loi thot ra khi in phn bm hon ton vo catot. Khi catot khi lng tng ln 12,8 gam th anot c V lt kh thotra (ktc). Gi tr ca V l

A. 2,8. B. 2,24. C. 4,48. D. 5,6.

Cu 21: Dy hp cht ch c lin kt cng ha tr lA. H2SO4, PCl3, SO2Cl2, OF2, N2O4. B. K3PO4, NO2, SO3, NH4Cl, HNO3.C. (NH4)2SO4, PCl3, SO2Cl2, NO2, SO3. D. SO2Cl2, OF2, N2O4, BaCl2, PCl3.

Cu 22: Ha tan ht mt lng S v 0,01 mol Cu2S trong dung dch HNO3c, nng, sau phn ng hon ton dung dch thuc ch c 1 cht tan v sn phm kh l kh NO2 duy nht. Hp th ht lng NO2 ny vo 200 ml dung dch NaOH 1M, ric cn dung dch sau phn ng th c m gam cht rn khan. Gi tr ca m l

A. 18,4. B. 12,64. C. 13,92. D. 15,2.

Cu 23: Khi un nng stiren vi dung dch KMnO4 ri axit ha th thu c axit hu cX. Sc kh etilen vo dung dchKMnO4 thu c ancol a chc Y. Thc hin phn ng este ha gia X v Y thu c este Z khng c kh nng tc dng vi

Na. Cng thc phn t ca Z lA. C18H18O4. B. C10H12O2. C. C16H14O4. D. C9H10O3.

Cu 24: Dy cc dung dch v cht lng u lm i mu qu tm tm nc ct lA. Anilin, natri phenolat, axit fomic, axit glutamic, axit axetic.B. Phenol, anilin, natri axetat, axit glutamic, axit axetic.C. Etylamin, natri phenolat, phenylamoni clorua, axit glutamic, axit axetic.D. Etylamin, natri phenolat, axit aminoaxetic, axit fomic, axit axetic.

Cu 25: Dy cc cht ha hc u c tnh lng tnh lA. CrO, CH3COOC2H5, Cr(OH)3, Zn(OH)2, NaHCO3. B. CH3COONH4, Al(OH)3, Sn(OH)2, (NH4)2CO3, NaHCO3.C. Al(OH)3, CH3COONa, Cr(OH)3, Zn(OH)2, NaHCO3. D. ZnO, CH3COOC2H5, Cr(OH)3, Zn(OH)2, NaHCO3.

Cu 26: Thc hin cc th nghim sau:(1) Ni mt thanh Zn vi mt thanh Fe ri trong khng khm.(2) Th mt vin Fe vo dung dch CuSO4.

(3) Th mt vin Fe vo dung dch cha ng thi ZnSO4 v H2SO4 long.(4) Th mt vin Fe vo dung dch H2SO4 long.(5) Th mt vin Fe vo dung dch cha ng thi CuSO4 v H2SO4 long.

Trong cc th nghim trn nhng th nghim Fe bn mn in ha hc lA. (1), (2), (3), (4), (5). B. (1) v (3). C. (2) v (5). D. (3) v (5).

Cu 27: Cho 0,5 mol Mg v 0,2 mol Mg(NO3)2 vo bnh kn khng c oxi ri nung nhit cao n phn ng hon ton thu chn hp cht rn X. Hn hp cht rn X tc dng vi nhiu nht 500 ml dung dch Fe(NO3)3 c nng aM. Gi tr ca a l

A. 2. B. 0,667. C. 0,4. D. 1,2.

Cu 28: Trong s cc cht: H2S, KI, HBr, H3PO4, Ag, Cu, Mg. S cht c kh nng kh ha ion+3Fe trong dung dch v ion

+2Fe lA. 3. B. 5. C. 6. D. 4.


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Cu 29: Hn hp kh v hi X gm C2H4, CH3CHO, CH3COOH. Trn X vi V lt H2 (ktc), ri cho qua Ni, t nng thuc hn hp Y (gm kh v hi). t chy hon ton Y thu c 0,15 mol CO2 v 0,2 mol H2O. Gi tr ca V l

A. 4,48. B. 2,24. C. 0,672. D. 1,12.

Cu 30: Thy phn hon ton m gam xenlulozc cha 50% tp cht tr, ton b lng glucozthu c lm mt mu va 500 ml dung dch Br2 1M trong nc. Gi tr ca m l

A. 162. B. 81. C. 324. D. 180.Cu 31: Cho cc cht sau y phn ng vi nhau :

(1) SO2 + H2S (2) H2S + Br2

(3) H2S + Cl2 + H2O (4) H2S + K2Cr2O7 + H2SO4 (long)

(5) SO2 + Br2 + H2O (6) H2S + O2 (thiu)

Nhng phn ng sinh ra n cht S lA. (2), (3), (4), (5). B. (1), (2), (4), (6). C. (1), (3), (4), (6). D. (1), (2), (3), (4), (5), (6).

Cu 32: Cho bt Al tan ht trong dung dch HNO3 thu c dung dch X v hn hp 2 kh N2 v N2O. Cho dung dch NaOHd vo dung dch X th s phn ng nhiu nht c th xy ra l (khng k cc phn ng thy phn ca cc ion)

A. 3. B. 5. C. 4. D. 7.

Cu 33: Kim loi c kh nng dn in tt nht v kim loi c cng cao nht ln lt lA. Ag v W. B. Al v Cu. C. Cu v Cr. D. Ag v Cr.

Cu 34: Cho hp cht X vo nc thu c kh Y. t chy Y trong oxi d, nhit cao (nhit t chy


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Cu 45: Mt loi qung pirit c cha 75,5% FeS2 ( cn li l tp cht tr). Khi lng qung ny iu ch 1 kg dung dchH2SO4 63,7% l (bit rng c 1,5% khi lng SO2 b hao ht trong khi nung qung, cc phn ng xy ra hon ton)

A. 396 gam. B. 613,78 gam. C. 298,93 gam. D. 524,42 gam.

Cu 46: Hn hp X gm M2CO3, MHCO3 v MCl vi M l kim loi kim. Nung nng 20,29 gam hn hp X, sau khi phn ngxy ra hon ton thy cn li 18,74 gam cht rn. Cng em 20,29 gam hn hp X trn tc dng ht vi 500 ml dung dch HCl1M th thot ra 3,36 lt kh (ktc) v thu c dung dch Y. Cho Y tc dng vi dung dch AgNO3 d th thu c 74,62 gamkt ta. Kim loi M l

A. Na. B. Li. C. K. D. Cs.

Cu 47: Hp cht hu ca chc X c cng thc phn t C10H18O4, khi X tc dng vi dung dch NaOH thu c mui caaxit aipic v hn hp Y gm 2 ancol ng ng. un Y vi H2SO4c 170

oC th s lng anken thu c l

A. 2. B. 3. C. 4. D. 1.Cu 48:t chy hon ton hai gluxit X v Y u thu c s mol CO2 nhiu hn s mol H2O. Hai gluxit l

A. Tinh bt v mantoz. B. Xenlulozv glucoz.C. Saccarozv fructoz. D. Tinh bt v glucoz.

Cu 49: Khng nh ng lA. Cc halogen F2, Cl2, Br2, I2 theo chiu t tri sang phi tnh oxi ha gim dn, ng thi tnh kh tng dn.B. Cc hp cht HF, HCl, HBr, HI theo chiu t tri sang phi tnh axit gim dn, ng thi tnh kh tng dn.C. Cc hp cht HClO, HClO2, HClO3, HClO4 theo chiu t tri sang phi tnh axit tng dn, ng thi tnh oxi ha tng

dn.D. iu ch HF, HCl, HBr, HI ngi ta cho mui ca cc halogen ny tc dng vi H2SO4c, nng.

Cu 50: Hp cht d tan trong nc nht lA. C2H5OH. B. C2H5Cl. C. C2H6. D. HCOOCH3.

B. Theo chng trnh Nng cao (10 cu: Tcu 51 n cu 60)Cu 51: Axit cacboxylic X c mch cacbon phn nhnh v c kh nng lm mt mu dung dch KMnO4. X c tn gi l

A. axit metacrylic. B. axit acrylic. C. axit fomic. D. axit isobutylic.Cu 52: Cho s phn ng :

++

ZYXHCOH)t,xt(Haxeton

222

o2 poliisopren

X, Y, Z ln lt lA. CH C-C(OH)(CH3)2, CH3-CH2-C(OH)(CH3)2, CH2=CH-C(CH3)-CH=CH2.B. CHO-CH2-C(OH)(CH3)2, CH2=CH-C(OH)(CH3)2, CH2=CH-C(CH3)=CH2.C. CH C-C(OH)(CH3)2, CH2=CH-C(OH)(CH3)2, CH2=CH-C(CH3)=CH2.D. CH2=CH-CH(CHO)-CH3, CH2=CH-C(OH)(CH3)2, CH2=CH-C(CH3)=CH2.

Cu 53: Cho th in cc chun ca cc cp oxi ha - kh : ;V37,2E 0Mg/Mg2

=+ ;V44,0E0

Fe/Fe2 =+

;V34,0E

0

Cu/Cu2+=

+

V80,0E

0

Ag/Ag+=+

. Pin

in ha c su

t

in

ng chun l

n nh

t l

A. Fe-Cu. B. Mg-Ag. C. Mg-Fe. D. Cu-Ag.

Cu 54:em 26,6 gam mt loi amino axit no, mch hX c cha 1 chc amin tc dng ht vi axit nitrthu c 4,48 lt N2(ktc). Cng ly 26,6 gam amino axit ny tc dng va vi dung dch NaOH th c m gam mui. Gi tr ca m l

A. 35,4. B. 31. C. 28,8. D. 39,8.

Cu 55: Thm nc vo 10 ml axit axetic bng (axit 100%, D = 1,05 gam/cm3) n th tch 1,75 lt 250C th thu c dungdch X c pH = 2,9. in li ca axit axetic l

A. 2,5%. B. 0,126%. C. 0,09%. D. 1,26%.Cu 56: clorua vi trong khng khm mt thi gian th mt phn clorua vi b cacbonat ha (to ra CaCO3) thu c hnhp rn X gm 3 cht. Cho hn hp X vo dung dch HCl c, dn phn ng hon ton thu c hn hp 2 kh c t khi sovi H2 l 34,6. Phn trm khi lng clorua vi b cacbonat ha l

A. 20%. B. 25%. C. 12,5%. D. 6,67%.

Cu 57: Cho phn ng: X + aH2 0

t,xt CH3-CH2-CH2-OH. Bit rng X mch h, a l s lin kt ca X. S cng thccu to tha mn iu kin ca X l

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

Cu 58: Dung dch c kh nng ha tan Ag2S lA. HCl. B. NaCN. C. H2SO4 (long). D. NaOH (c).

Cu 59: Cho m gam hn hp cc kim loi Mg, Al, Zn tc dng va vi V lt dung dch HNO3 1M, thu c sn phm khl kh NO duy nht v 35,85 gam mui trong oxi chim 64,268% khi lng mui. Gi tr ca m v V ln lt l

A. 6,09 v 0,64. B. 25,93 v 0,64. C. 6,09 v 0,48. D. 5,61 v 0,48.

Cu 60: Trong phn ng gia clo vi nc brom th sn phm chnh ca brom c s oxi ha lA. +5. B. +1. C. +3. D. - 1.

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De Thi Thu Mon Hoa 2012_DHV

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