PHN BI 1 Cu 1: Khi in phn nng chy NaOH, cc phn ng ng no xy ra trong s cc phn ng sau? (1) Catot: Na - 1e- Na+ (2) Anot: 2OH- - 2e- O2 + 2H+ (3) Anot: 4OH- - 4e- O2 + 2H2O (4) Catot: Na+ + 1e- Na. (5) Phng trnh in phn: 4NaOH Na+ + O2 + 2H2O (6) Phng trnh in phn: 4NaOH 4Na + O2 + 2H2O A. (1), (3), (5) B. (3), (4), (6) C.(1), (2), (6) D. (3), (4), (5) Cu 2: Tnh dn nhit ca dy kim loi no sau y tng dn theo th t t tri sang phi? A. Ag, Cu, Al, Fe, Zn B. Cu, Al, Zn, Fe, Ag C. Zn, Fe, Al, Cu, Ag D. Al, Zn, Fe, Cu, Ag. Cu 3: Cho 2 ming nhm kim loi vo 2 cc ng dung dch long HNO3 c nng khc nhau, thy: Cc 1: C kh X khng mu, ho nu trong khng kh thot ra. Cc 2: C kh Y khng mu, khng mi, khng chy, nh hn khng kh bay ra. Vy kh X, Y ln lt l cc kh no trong cc kh sau? A. NO2 v NO B. NO v N2O C. NO2 v N2 D. NO v N2 Cu 4: Xc nh cng thc ca cc cht theo th t X, Y ca chuyn ho sau:NaOH 2 2 Al X 2 Y X NaOH , H O H O ,CO

A. Al2O3, NaAlO2 B. NaAlO2, Al(OH)3 C. Al(OH)3, NaAlO2 D. NaAlO2, Al2Cl3 Cu 5: Khi in phn hn hp gm cc dung dch: FeCl3, CuCl2, HCl. Trong s cc phn ng sau, chn phn ng ng xy ra catt v theo ng th t in phn: (1) Cu2+ + 2e- Cu. (2) Fe3+ + 3e- Fe. (3) Fe3+ + 1e- Fe2+. (4) Fe2+ + 2e- Fe. (5) H+ + 2e H2 Bit th in cc Fe3+/Fe2+ > Cu2+/Cu > 2H+/H2 > Fe2+/Fe. A. (4), (5), (1), (3). B. (2), (1), (5), (3). C. (3), (1), (5), (4). D. (1), (3), (5), (4). Cu 6: Chn cu sai trong cc pht biu sau: A. Gang l hp kim ca Fe-C vi mt s nguyn t khc. B. Nguyn tc sn xut gang l kh st trong oxit st bng H2 nhit cao. C. Nguyn liu chnh sn xut thp l gang trng hoc xm, st thp ph liu.

D. Nguyn tc sn xut thp l oxi ho cc tp cht trong gang (Si, Mn, S, P, C) thnh oxit gim hm lng ca chng. Cu 7: Chn phng php ng tinh ch FeSO4 khi c ln CuSO4: A. Cho dung dch NH3 vo dung dch hn hp th Cu2+ tch ra dng Cu(NH3)42+. B. Cho NaOH d vo dung dch hn hp th Cu2+ tch ra di dng Cu(OH)2. C. Cho thanh Fe vo dung dch Cu2+ tch ra dng Cu bm vo thanh Fe. D. Cho thanh Zn vo dung dch hn hp th Cu2+ tch ra dng Cu bm vo thnh Zn. Cu 8: C 5 dung dch ng trong 5 l mt nhn gm: AlCl3, FeCl3, FeCl2, MaCl2, NH4Cl. Ch dng mt ho cht no sau c th nhn bit nhn ca tng l? A. Qu tm B. Dung dch H2SO4 C. NaOH D. Al kim loi Cu 9: Khi lng cht rn thu c khi ho tan hon ton 1,12 gam Fe vo dung dch AgNO3 d l: A. 10,8 gam. B. 4,32 gam C. 5,4 gam D. 6,48 gam Cu 10: Nung 4,84 gam hn hp gm NaHCO3 v KHCO3 th thu c 0,56 lt CO2 (ktc). Vy khi lng ca NaHCO3 v KHCO3 ln lt trong hn hp l: A. 3,36 gam; 1,48 gam. B. 0,84 gam; 4 gam. C. 2,84 gam; 2 gam D. 1,84 gam; 3 gam Cu 11: Ho tan 10 gam hn hp gm bt Fe v Fe2O3 bng dung dch HCl, thu c 1,12 lt kh (ktc) thot ra. Vy % khi lng ln lt ca Fe v Fe2O3 l: A. 11,2%; 88,8% B. 56%, 44%C. 44%, 56% D. 28%, 72%. Cu 12: Kh mt oxit ca st bng oxit cacbon nhit cao, phn ng xong thu c 0,84 gam Fe v 448ml CO2 (ktc). Vy cng thc ca oxit st l: A. FeO B. Fe2O3 C. Fe3O4 D. FeO4 Cu 13: Cryolit (Na3AlF6) c thm vo Al2O3 trong qu trnh in phn Al2O3 sn xut nhm nhm mc ch no sau y? A. Nhn c nhm nguyn cht. B. Cho php in phn nhit thp hn. C. Tng tan Al2O3. D. Phn ng vi oxi trong Al2O3. Cu 14: iu ch kim loi kim ngi ta dng phng php no sau y? A. Nhit luyn B. Thu luyn C. in phn nng chy D. in phn dung dch Cu 15: Cu ni no sau y khng ng vi kim loi phn nhm IIA ? A. Cc kim loi phn nhm chnh nhm II u l kim loi c nhit si, nhit nng chy bin i khng theo qui lut nht nh. B. Cc kim loi phn nhm chnh nhm II u l cc kim loi nh hn nhm (tr Ba). C. Cc kim loi phn nhm chnh nhm II u l cc kim loi c cng ln D. Cc kim loi phn nhm chnh nhm II c kiu mng tinh th khng ging nhau.

Cu 16: Cho 4 kim loi Al, Fe, Mn, Cu v 4 dung dch mui: ZnSO4, AgNO3, CuCl2, MgSO4. Kim loi no sau y tc dng c vi c 4 dung dch mui. A. Al B. Fe C. Mn D. Khng kim loi no. Cu 17: Ngm mt inh st sch trong 200ml dung dch CuSO4. Sau phn ng kt thc ly nh st ra khi dung dch, ra sch, sy kh, nhn thy khi lng inh st tng 0,8 gam. Nng mol/l ca dung dch CuSO4 l: A. 0,05M B. 0,95M C. 0,5M D. Kt qu khc Cu 18: Ha cht dng nhn bit 3 cht rn CaO, MgO, Al2O3 ng trong 3 l mt nhn l: A. Dung dch HNO3 c B. Dung dch NaOH c. C. H2O D. Dung dch HCl. Cu 19: X l kim loi khi cho phn ng vi HCl sinh ra H 2 rt nhanh ng thi lm dung dch nng ln v khi cho vo nc th gii phng H2 ngay iu kin thng. Vy X c th l nhng kim loi no sau y? A. K, Na, Fe B. K, Na, Ca C. K, Na, Ca, Fe D. K, Na, Ca, Mg. Cu 20: Vi sng sau khi sn xut phi c bo qun trong bao kn. Nu khng lu ngy vi s cht. Phn ng no sau y gii thch hin tng vi cht? A. Ca(OH)2 + CO2 CaCO3 + H2O B. Ca(OH)2 +Na2CO3 CaCO3 + 2NaOH. C. CaO + CO2 CaCO3 D. Tt c nhng phn ng trn. Cu 21: thu c ru etylic nguyn cht t dung dch ru, ta dng ho cht no sau? A. Cho H2SO4 m c vo ru B. Cho CuSO4 khan vo ru C. Cho P2O5vo ru D. C A, B, C u ng. Cu 22: Ru n chc X c cng thc phn t C4H10O, khi b oxi ho to ra xeton, khi tch nc to ra anken mch thng. Vy cng thc cu to ng ca X l: A. CH3CH2CH2CH2OH B. (CH3)2CH-CH2OH. C. CH3CH2-CH(OH)CH3 D. (CH3)3COH. Cu 23: ng vi cng thc phn t C7H8O s c bao nhiu ng phn phenol? A. 2 B. 3 C. 4 D. 5 Cu 24: Hp cht no sau y khng cha nhm -CHO? A. HCOOCH3 B. CH3CHO C. HCHO D. CH3COOH. Cu 25: Cho cc axit: HCOOH (a), CH3COOH (b), ClCH2COOH (c), CHCl2COOH (d). Cu no sau y ng ca dy xp theo chiu tng dn tnh axit ca cc cht trn? A. (a) < (b) < (c) < (d) C. (c) < (a) < (b) < (d) B. (b) < (a) < (c) < (d) D. (a) < (b) < (d) < (c) Cu 26: Etilenglicol tc dng vi hn hp 2 axit CH3COOH v HCOOH th s thu c bao nhiu este hai chc khc nhau? A. 1 B. 2 C. 3 D. 4. Cu 27: ng dng no sau y khng phi ca phenol?

A. Lm nguyn liu iu ch nha bakelit B. Lm nguyn liu iu ch phm nhum C. Lm nguyn liu sn xut thuc n D. Lm nguyn liu sn xut thy tinh hu c Cu 28: Pht biu no sau y khng ng? A. Lipit cn gi l cht bo. B. Trieste ca glixerin v axit bo gi l cht bo. C. Cht bo rn l cht ch yu cha cc gc axit bo khng no. D. Du thc vt thng trng thi lng cn m ng vt thng trng thi rn. Cu 29: Thu phn hon ton hp cht X sau th thu c nhng hp cht no? H2N-CH2-CO-NH-CH-CO-NH-CH2-CO-NH-CHHp cht X: COOH CH3 C6H5 (1) H2N-CH2-COOH (2) CH3COOH (3) C6H5-COOH (5) H2N-CH-COOH (4) H2N-CH-COOH CH3 C6H5 A. (1), (2),(3) B.(1), (4),(5) C. (1), (2),(5) D. (2), (3),(5) Cu 30: Pht biu no sau y khng ng? A. Hp cht saccarozo thuc isaccarit, phn t ny cu to bi 2 gc glucoz. B. ng phn ca saccaroz l mantoz C. Saccaroz khng c dng mch h v dng mch vng khng th chuyn thnh dng mch h. D. Phn t saccaroz c nhiu hiroxyl nhng khng c nhm cacbonyl. Cu 31: t chy mt este E n chc ta thu c kh CO2 v hi nc theo t l s mol H2O: s mol CO2 = 4: 4. Vy este E l este c to ra t: A. Ru etylic B. Ru metylic v ru n-propylic C. Ru metylic v ru iso propylic D. Tt c u ng. Cu 32: Trong s cc polime sau y: (1) Si bng (2) T tm (3) Len (4) T Visco (5) T axetat (6) Nilon 6,6 Loi t c ngun gc xenluloz l: A. (1), (2), (3) B. (1), (4), (5) C. (2), (4), (6) D. (1), (4), (6) Cu 33: Hp cht C3H6O tc dng c vi Na, H2 v trng hp c. C3H6O c th l: A. CH3CH2CHO B. CH3COCH3 C. CH2=CH-O-CH3 D. CH2=CH-CH2OH.

Cu 34: Cho 3,9 gam hn hp 2 ru no n chc k tip tc dng vi Na d, thu c 1,12 lt kh H2 (ktc). Cng thc phn t ca hai ru trn l: A. CH3OH v C2H5OH B. C2H5OH v C3H7OH C. C3H7OH v C4H9OH D. C4H9OH v C5H11OH Cu 35: Cho lng d anilin phn ng hon ton vi dung dch cha 0,1 mol H 2SO4 long. Lng mui thu c bng: A. 18,7gam B. 19,1gam C. 273,6gam D. 28,4gam o Cu 36: Nhn ca mt chai cn y t c ghi 70 , c ngha l: A. Trong 100 ml cn c 70 mol ru etylic B. Trong 100 ml cn c 70 ml ru etylic C. Trong 100 gam cn c 70 gam ru etylic D. Trong 100 ml cn c 0,7 gam ru etylic Cu 37: Khi lng glucoz cn iu ch 0,1 lt ru etylic nguyn cht (d = 0,8g/ml), vi hiu sut 80% l: A. 195,6gam B. 156,5gam C. 190gam D. Kt qu khc Cu 38: Chn pht biu khng ng: A. Phenol c tnh axit mnh hn etanol v nhn benzen ht electron ca nhm OH, trong khi nhm C2H5 li y electron vo nhm OH. B. Phenol c tnh axit mnh hn etanol v c minh ho bng phn ng phenol tc dng vi NaOH, cn C2H5OH th khng. C. Tnh axit ca phenol yu hn H2CO3 v sc CO2 vo dung dch C6H5ONa ta s thu c C6H5OH . D. Phenol trong nc cho mi trng axit mnh, lm qu tm ho . Cu 39: Cht no sau y c nhit si cao nht: A. CH3CH2CH2OH B. CH3COOH C. CH3CH2CH2NH2 D. CH3CH2OCH3. Cu 40: phn bit fomon v CH3OH, nn dng thuc th no sau y? A. Na B. Dung dch HCl C. Dung dch NaOH D. Dung dch AgNO3/NH3

2Cu 1: Cc phn ng ng xy ra trong s cc phn ng sau khi in phn nng chy Al2O3 l; (1) Ant: 2OH- -2e- O2 + 2H+ (2) Ant: 2O2- - 4e- O2 (3) Catt: Al3+ + 3e- Al (4) Catt: Al -3e- Al3+ (5) Al2O3 in phn 2Al + 2O2 + 2H+ (6) Al2O3 in phn 2Al + 1,5O2 A. (1), (4), (6) B. (1), (3), (5) C. (2), (3), (6) D. (2), (4), (5) Cu 2: Xc nh cng thc cc cht theo th t X, Y cho chuyn ho sau: NaOH HCl NaOH Zn X Y X

A. NaZnO2, ZnCl2 B. Na(OH)2, ZnCl2 C. Na2ZnO2, Zn(OH)2 D. Na2ZnO, Zn(OH)2 Cu 3: Khi t chy hn hp gm Al v Fe3O4 trong mi trng khng c khng kh thu c cht rn X. Bit X tc dng c c dung dch NaOH v dung dch HCl v u gii phng kh (Bit phn ng xy ra hon ton). Vy X gm cc cht no trong s cc cht sau? (1) Al. (2) Al2O3 (3) Fe3O4 (4) FeO (5) Fe2O3 (6) Fe. A. (2), (3), (4) B. (1), (2), (6) C. (2), (3), (6) D. (1), (2), (3). + Cu 4: Trong dung dch A c cha ng thi cc cation: K , Ag+, Fe2+, Ba2+. Bit A ch cha mt loi anion. l anion no trong s cc anion sau? A. ClB. SO42-. C. CO32D. NO3Cu 5: Cc phn ng no sau y dng iu ch FeSO4 t Fe (d)? (1) Fe + ZnSO4 Zn + FeSO4 (2) Fe + Fe(SO4)3 FeSO4 (3) Fe + H2SO4 long FeSO4 + H2 (4) Fe + CuSO4 FeSO4 + Cu (5) Fe + 0,5O2 + H2SO4 c FeSO4 + H2O. A. (1), (2), (3) B. (2), (3), (4) C. (2), (3), (5) D. (3), (4), (5) Cu 6: Phn chua c cng thc no trong s cc cng thc sau? A. K2SO4.12H2O B. Al2(SO4)3.12H2O C. K2SO4.Al2(SO4)3.12H2O D. Al2(SO4)3.Al2(SO4)3.24H2O Cu 7: Cho axit HCl t t vo dung dch NaAlO2. Cc phn ng ho hc no ln lt xy ra (theo th t) trong s cc phn ng sau? (1) NaAlO2 + HCl NaCl + HAlO2 (2) Al(OH)3 + HCl AlCl3 + 3H2O (3) NaAlO2 + HCl + H2O NaCl + Al(OH)3 (4) Al2O3 + 6HCl 2AlCl3 + H2O (5) HAlO2 + 3HCl AlCl3 + 3H2O (6) 2NaAlO2 + 2HCl Al2O3 + NaCl + H2O A. (3), (2) B. (1), (5) C. (6), (4) D. (3), (5) Cu 8: Ngm l kim loi c khi lng 50gam vo dung dch HCl. Sau phn ng c 336ml kh H2 thot ra (ktc) v khi lng l kim loi gim 1,68%. Vy tn ca l kim loi l: A. Mg B. Cu C. Al D. Fe Cu 9: Kh 9,12 gam hn hp gm Fe2O3 v FeO bng H2 nhit cao. Sau phn ng thu c Fe v 2,7 gam H2O. Vy khi lng ln lt ca Fe2O3 v FeO trong hn hp ban u l: A. 2,4g; 6,72g. B. 1,8g; 7,32g. C. 4,8g; 4,32g D. 1,6g; 7,56g.

Cu 10: Chn cu pht biu no sau y ng nht? A. Lin kt kim loi l lin kt duy nht trong hp kim. B. n mn in ho l s n mn do kim loi phn ng trc tip vi cc cht c trong mi trng. C. Tnh cht ho hc c bn ca kim loi l tnh kh v kim loi lun lun nhng electron tr thnh ion dng. D. Tt c cc kim loi u tn ti trng thi rn nhit thng. Cu 11: Ngm Ni vo cc dung dch sau: NaCl, MgSO4, AgNO3, CuSO4, AlCl3, ZnCl2, Pb(NO3)2. Vi nhng mui no sau y th u xy ra phn ng vi Ni?. A. NaCl, AlCl3, ZnCl2 B. AgNO3, CuSO4, Pb(NO3)2. C. MgSO4, CuSO4, AgNO3 D. ZnCl2, CuSO4, AgNO3. Cu 12: Cho Cu d ngm vo AgNO3 thu c dung dch A. Sau ngm Fe d vo dung dch A thu c ta li c dung dch B. Dung dch B gm: A. Fe(NO3)2 B. Fe(NO3)3 C. Fe(NO3)2 v Cu(NO3)2 d. D. Fe(NO3)2 ,Cu(NO3)2 d, AgNO3 d. Cu 13: Trong cc hp cht sau, trng hp no xy ra n mn ho hc? A. mt vt bng gang ngoi khng kh m. B. Ngm Zn trong dung dch H2SO4 long c vi git CuSO4. C. Thit b bng thp ca nh my sn xut NaOH, Cl2 tip xc vi Cl2 nhit cao. D. Tn lp nh b xy xt tip xc vi khng kh m. Cu 14: Cho 0,52 gam hn hp hai kim loi tan hon ton trong H2SO4 long, d thy c 0,336 lt kh thot ra ktc. Khi lng hn hp mui sunfat khan thu c l: A. 2 gam B. 2,4 gam C. 3,29gam D. 1,96gam Cu 15: Ngi ta thc hin cc phn ng sau: (1) in phn NaOH nng chy (2) in phn dung dch NaCl c vch ngn (3) in phn NaCl nng chy (4) Cho dung dch NaOH tc dng vi dung dch HCl. Trong nhng phn ng , phn ng no th ion Na+ b kh thnh Na? A. (1) B. (1), (2), (3). C. (3), (4) D. (1), (3) Cu 16: Cho 100ml dung dch hn hp CuSO4 1M v Al2(SO4)3 1M tc dng vi dung dch NaOH d, lc ly kt ta em nung n khi lng khng i thu c cht rn c khi lng l: A. 4 gam B. 8 gam C. 9,8 gam D. 18,2 gam Cu 17: Ho tan 10 gam hn hp bt Fe v Fe2O3 bng dung dch HCl thu c 1,12 lt kh (ktc) v dung dch A. Cho dung dch A tc dng vi NaOH d, thu kt ta. em nung kt ta trong khng kh n khi lng khng i c cht rn c khi lng l bao nhiu? A. 11,2 gam B. 12,4 gam C. 15,2 gam D. 10,9 gam

Cu 18: chuyn Fe(NO3)2 thnh Fe(NO3)3 ngi ta cho dung dch Fe(NO3)2 tc dng vi dung dch no sau y? A. Dung dch Mg(NO3)2 B. Dung dch Cu(NO3)2. C. Dung dch AgNO3 D. A. B v C u c. Cu 19: Nng % ca dung dch to thnh khi ho tan 39 gam kali kim loi vo 362 gam nc l: A. 15,47% B. 13,97% C. 14% D. 14,04% Cu 20: phn bit cc dung dch MgCl2, CaCl2, AlCl3, FeCl2, FeCl3 th dng ho cht no sau? A. AgNO3 B. Dung dch H2SO4 C. Dung dch Na2CO3 D. NaOH Cu 21: Khi t chy ru no, mch h, n chc ta thu c t l s mol CO2 v H2O. A. nCO > nH O2 2

B. nCO = nH2

2O

C. nCO < nH O2 2

D. C ba p n A. B. C u sai.

Cu 22: hyrat ho ( 170oC. H2SO4 c) hai ru ng ng hn km nhau 2 nhm -CH2, ta thu c 2 cht hu c th kh. Vy hai ru l: A. CH3OH v C3H7OH B. C3H7OH v C5H11OH C. C4H9OH v C6H13OH D. C2H5OH v C4H9OH Cu 23: Chn cu pht biu sai trong cc cu pht biu sau: A. Cc anehit va c tnh oxi ho va c tnh kh. B. Nu mt hirocacbon m hp nc to thnh sn phm l anehit th hirocacbon l C2H2. C. Nhit si ca anehit cao hn hn nhit si ca ancol tng ng. D. Mt trong nhng ng dng ca anehit fomic l dng iu ch keo urefomandehit. Cu 24: Cc anehit th hin oxi ho trong phn ng vi cc cht: A. Cu(OH)2/NaOH B. AgNO3/NH3 C. O2 D. H2/Ni, to. Cu 25: Cho 0,87 gam mt anehit no, n chc phn ng hon ton vi Ag2O/NH3 thu c 3,24 gam bc. Cng thc cu to ca anehit l: A. CH3CHO B. HCHO C. CH3CH2CHO D. CH3CH2CH2CHO. Cu 26: Chn pht biu sai trong cc cu sau: A. HCOOH l axit mnh nht trong dy ng ng ca n B. HCOOH tham gia phn ng trng gng C. HCOOH khng phn ng vi Cu(OH)2/NaOH

D. HCOOH c tnh axit mnh hn axit H2CO3 nhng yu hn axit HCl.Cu 27: Vinyl axetat c hnh thnh t phn ng ca cp cht: A. CH3COOH + CH2=CH2 B. CH3COOH + CH2=CHOH

C. CH3CO2O + CH2=CHOH Cu 28: Cho cc cht c cu to sau: (1) CH2=CH-CH2OH (3) CH3CH2COOCH3 (5) CH3OCH2CH3CH3

D. CH3COOH + CH CH (2) CH3CH2COOH (4) CH3CH2CHO (6) CH3CH2COCH.OH

(7)OH

(8)

CH2O Nhng cht no phn ng c c vi Na vH NaOH

A. (1), (7), (8) B. (1), (2), (4) C. (2), (7), (8) A. (2, (5) Cu 29: Thnh phn chnh trong nguyn liu ay, bng, gai l: A. Tinh bt B. Mantoz C. Xenluloz D. Sacaroz. Cu 30: Hp cht X tc dng c vi Na; AgNO3/NH3, khng tc dng vi NaOH. Khi cho X tc dng vi H2/Ni, to to ru no v ru ny tc dng c vi Cu(OH)2/NaOH to dung dch xanh lam m. Cng thc cu to no sau y l cng thc cu to ng ca X? A. CH3-CH2-COOH C. HO-CH2-CH2-CHO C. HCOOCH2CH3 D. CH3-CH(OH)-CHO Cu 31: t chy hn hp 2 anehit no, n chc c 0,4 mol CO2. Hiro ho hon ton 2 anehit ny cn 0,2 mol H2 c hn hp 2 ru no, n chc. t chy hon ton hn hp 2 ru th s mol H2O thu c l: A. 0,4 mol B. 0,6 mol C. 0,8 mol D. 0,3 mol. Cu 32: Cng thc ca amin n chc no bc 1 cha 23,7% N l: A. CH3-NH2 B. C4H9NH2 C. C3H7NH2 D. C2H5NH2. Cu 33: Khi so snh gia saccaroz v mantoz, c cc pht biu sau: (1) Chng l hai ng ng ca nhau (2) Trong phn t u c cc nhm -OH k nhau nn u to phc xanh lam vi dung dch Cu(OH)2. (3) Khi thu phn u to glucoz. (4) Do trong phn t u c nhm -CHO nn u tham gia phn ng trng gng. (5) Cng thc phn t u l C12H22O11 Cc cu pht biu ng l: A. (2), (3), (5) B. (1), (2), (4) C. (2), (4), (5) D. (1), (2), (3) Cu 34: Khi so snh gia phn ng trng hp v phn ng trng ngng, mt s hc sinh pht biu nh sau: (1) Sn phm ca hai phn ng u l polime (2) Cc monome ca 2 phn ng u phi c lin kt . (3) Sn phm ca phn ng trng ngng c km theo phn t nh nh H2O.

(4) Mi monome ca phn ng trng ngng phi c t nht 2 nhm th c kh nng trng ngng. (5) Mi monome ca hai phn ng u phi khc nhau. Cc cu pht biu ng l: A. (1), (2), (4) B. (1), (2), (3) C. (1), (3), (4) D. (1), (2), (5) Cu 35: Cho ru a chc X c dng R(OH)n. Bit 1 mol X tc dng vi Na (d), gii phng 33,6 lt kh (ktc). Gi tr ca n l: A. 2 B. 3 C. 4 D. 5. Cu 36: t chy hon ton 6,2 gam mt amin no, n chc phi dng ht 10,08 lt kh oxy (ktc). Cng thc ca amin l: A. C2H5NH2 B. CH3NH2 C. C4H9NH2 D. C3H7NH2. Cu 37: Thu phn hp cht H2N-CH2-CO-NH-CH-CO-NH - CH-CO-NH-CH2-COOH CH2-COOH CH2-C6H5 thu c cc aminoaxit no sau y? A. H2N-CH2-COOH B. HOOC-CH2-CH(NH2)-COOH. C. C6H5-CH2-CH(NH2)-COOH. D. Hn hp 3 aminoaxit A. B. C. Cu 38: Nhng iu kin khng nh sau, khng nh no sai: A. Glyxerin v ru etylic u phn ng vi Na v K. B. Glyxerin tc dng vi axit cn ru etylic khng tc dng vi axit C. Glyxerin tc dng vi Cu(OH)2 to dung dch xanh lam, cn ru etylic th khng. D. Glyxerin v ru etylic u l nhng loi ru no. Cu 39: Thuc th duy nht n nhn bit 3 cht lng ng trong 3 l mt nhn: phenol, stiren, ru benzylic l: A. Na B. Qu tm C. Dung dch KMNO4 D. Dung dch Br2. Cu 40: Cho chuyn ho sau. CH -CHH 2 , ,t , M Ni N CuO P O2 ,t xto o

3

COOH

Bit M, N, P thuc 3 trong s cc cht sau:CH =C-CH CH2 2 3 (1) CH3-CH2-CH2-CHO (2) (3)

CH3-CH-CH2OH CH3

(4)

OH CH3-CH-CHO CH3 CH3

CH3(5) CH3-CH-CHO

Vy cu to ng ln lt ca M, N, P l:

CH3

A. (4), (3), (5) C. (2), (3), (5)

B. (5), (2), (6) D. (4), (1), (5)

3Cu 1: Di y l cu hnh eletron nguyn t ca mt s nguyn t: (1) 1s22s22p63s2 (2) 1s22s22p5 (3) 1s22s22p63s23p4 (4) 1s22s22p63s33p64s1 (5) 1s22s22p63s33p63d44s2 (6) 1s22s22p63s33p3. Cu hnh eletron nguyn t no l nguyn t kim loi? A. (1), (4), (6) B. (1), (4), (5) C. (2), (3), (4) D. (1), (3), (4) Cu 2: Chn cu khng ng trong cc pht biu sau: A. So vi phi kim, kim loi c nng lng ion ho cao hn. B. Bn knh ca nguyn t kim loi tng i ln hn so vi nguyn t phi kim. C. Tnh cht ho hc chung ca kim loi l tnh kh hay d b oxi ho. D. m in ca nguyn t kim loi thng b hn so vi nguyn t phi kim. Cu 3: Trong s cc phn ng gia cc cht sau, phn ng no xy ra? (1) Zn vi CuCl2 (2) Cu vi ZnCl2 (3) Ag vi Cu(NO3)2 (4) Cu vi AgNO3 (5) Fe vi ZnSO4 (6) Zn vi FeSO4 A. (2), (4), (6) B. (1), (3), (5) C. (1), (4), (6) D. (1), (4), (5) Cu 4: Cho 22,4 gam kim loi M ho tan hon ton vi HCl th gii phng 8,96 lt kh (ktc) vi mui clorua ca kim loi ho tr II. Tn kim loi M l: A. Mg B. Zn C. Fe D. Al Cu 5: Qu trnh g xy ra khi mt vt l hp kim ca Zn-Cu trong khng kh m? A. n mn ha hc B. Oxy ho kim loi C. n mn in ha D. Ho tan kim loi Cu 6: Chn phng trnh sai khi in phn dung dch CuSO4. A. catt: Cu2+ + 2e- Cu. B. ant: 2H2O + 4e- H2 + 2OHC. Phng trnh in phn: 2CuSO4 + 2H2O 2Cu + O2 + 2H2SO4. D. Phng trnh ion: 2Cu2+ + 2H2O 2Cu + O2 + 4H+. Cu 7: Trong nhng cht sau, cht no khng c tnh cht lng tnh? A. Al(OH)3 B. Al2O3 C. ZnSO4 D. NaHCO3 Cu 8: Ho tan 7,7 gam hp kim gm Na, K vo nc thu c 3,36 lt kh (ktc). Vy % khi lng ca Na, K ln lt l: A. 76%; 24% B. 25%; 75% C. 74,68%; 25,32% D. 70%, 30% Cu 9: Trong cc pht biu sau, pht biu no khng ng? (1) Tnh cht vt l chung ca kim loi l dn in, dn nhit, do v nh kim (2) Nguyn nhn ca tnh cht vt l kim loi l do cc electron t do. (3) Kim loi c t khi ln hn 5 gi l kim loi nh

(4) T khi, nhit nng chy, tnh cng ca kim loi ch ph thuc vo bn knh nguyn t ca kim loi. A. (1), (3) B. (2), (3) C. (2), (4) D. (3), (4) Cu 10: C hn hp gm Ag, Cu. Phng php ho hc no sau y thu c Ag nguyn cht? A. Cho hn hp tc dng vi HNO3 c ngui. B. Cho hn hp tc dng vi AgNO3 d. C. Cho hn hp tc dng vi H2SO4 c ngui. D. Cho hn hp tc dng vi dd Cu(NO3)2 d. Cu 11: Pht biu no sai khi ni v nc cng? A. Nc cng c nhiu ion Ca2+ v Mg2+ B. Nc cng cng tm thi l nc cng c cha ion HCO3-. C. Nc cng vnh cu l nc cng c cha ion CO32-, ClD. Nc mm l nc c cha t ion Ca2+, Mg2+ Cu 12: Ch dng 1 ho cht phn bit 2 dung dch sau ng trong 2 l mt nhn: Al2(SO4)3, ZnSO4. A. Dung dch NaOH B. Dung dch NH3 d C. Dung dch BaCl2 D. Dung dch Ba(NO3)2. Cu 13: Cho 9 gam hp kim ca Al vo dung dch NaOH, un nng thu c 10,08 lt H2 (ktc). Bit cc thnh phn khc trong hp kim khng tc dng vi NaOH. Vy % Al trong hp kim l: A. 90% B. 45% C. 80% D. 70% Cu 14: Cho 150ml dung dch NaOH 7M vo 100ml dung dch Al2(SO4)3 1M. Cho bit cht no cn li trong dung dch sau phn ng? A. Na2SO4 v NaAlO2 B. Na2SO4 v NaOH d. C. Na2SO4 v NaAlO2 v NaOH d A. Na2SO4 v Al2(SO4)3 d. Cu 15: Ho tan Al, Zn, Fe vo dung dch HCl () c dung dch A. Cho dung dch NH3 d vo A c kt ta B. Nung B trong khng kh n khi lng khng i c cht rn C. Cht rn C gm: A. Al2O3, ZnO, FeO B. Al2O3, ZnO, Fe2O3 C. Al2O3, Fe2O3 D. Al2O3, FeO Cu 16: Cho 31,2 gam hn hp bt Al v Al2O3 tc dng vi NaOH d thu c 13,44 lt kh H2 ktc. Khi lng t cht trong hn hp ban u ln lt l: A. 16,2 gam v 15 gam B. 10,8 gam v 20,4 gam C. 6,4 gam v 24,8 gam D. 11,2 gam v 20 gam Cu 17: Cc phng php no sau dng kh cng vnh cu? (1) un nc si (2) Cho dung dch Na2CO3 vo nc cng (3) Phng php trao i ion

(4) Cho dung dch NaOH vo nc cng (5) Dng Na3PO4 kt ta ht Ca3+ v Mg2+.

(6) Dng dung dch Ca(OH)2 trung hoA. (1), (2), (3) B. (1), (3), (6) C. (2), (3), (4) D. (2), (3), (5) Cu 18: in phn mui clorua kim loi kim nng chy, thu c 0,896 lt kh (ktc) ant v 3,12 gam kim loi catt. Cng thc phn t ca mui kim loi kim l: A. NaCl B. KCl C. LiCl D. RbCl Cu 19: C hin tng g xy ra khi cho dung dch Na2CO3 t t n d vo dung dch FeCl3. A. Khng c hin tng B. C kt ta nu v si bt kh C. C si bt kh D. C kt ta trng hi xanh v si bt kh. Cu 20: Hin tng no xy ra khi cho t t dung dch HCl n d vo dung dch NaAlO2: A. Khng c hin tng g B. Lc u c kt ta sau tan C. C kt ta sau tan mt phn D. C kt ta. Cu 21: Cng thc ca amin cha 15,05% khi lng nit l: A. C2H5NH2 B. (CH3)2NH C. C6H5NH2 D. (CH3)3N. Cu 22: Da vo tnh cht no sau y, ta c th kt lun tinh bt v xenluloz l nhng polime thin nhin c cng thc (C6H10O5)n? A. Tinh bt v xenluloz kh t chy u cho t l molnCO2 nH 2O = 6 5

B. Tinh bt v xenluloz u c th lm thc n cho ngi v gia sc. C. Tinh bt v xenluloz u khng tan trong nc D. Thy phn tinh bt v xenluloz n tn cng trong mi trng axit u thu c glucoz C6H12O6. Cu 23: X l mt -aminoaxit no ch cha 1 nhm -NH2 v 1 nhm -COOH. Cho 15,1 gam X tc dng vi HCl d thu c 18,75 gam mui. Cng thc cu to ca X l: A. H2N-CH2-COOH B. CH3-CH(NH2)-COOH C. C3H7-CH(NH2)-COOH D. C6H5-CH(NH2)-COOH Cu 24: Cho dung dch cha cc cht sau: C6H5-NH2(X1) (C6H6 l vng benzen); CH3NH2(X2); H2N-CH2-COOH (X3); HOOC-CH2-CH2-CH(NH2)-COOH(X4); H2N-(CH2)4-CH(NH2)-COOH (X5). Nhng dung dch lm giy qu tm ho xanh l: A. X1; X2 B. X3; X4 C. X2; X5 D. X1; X5 Cu 25: S d anilin c tnh baz yu hn NH3 l do: A. Nhm NH2 cn mt cp eletron cha lin kt.

B. Nhm NH2 c tc dng y electron v pha vng benzen lm gim mt electron ca N. C. Gc phenyl c nh hng lm gim mt electron ca nguyn t N. D. Phn t khi ca anilin ln hn so vi NH3. Cu 26: t chy hon ton 1 mol ru no X, cn 3,5 mol O2. Vy cng thc phn t ca X l: A. C2H6O2 B. C3H8O3 C. C3H8O D. C4H10O. o Cu 27: Khi ni mt loi ru c ru l , c ngha l: A. Trong 100ml ru c ml nc. B. Trong (100 + ) ml ru c ml nc. C .Trong 100ml ru c ml ru nguyn cht. D. Ru thu c khi trn ml nc v ml ru nguyn cht. Cu 28: tinh ch phenol t hn hp phenol, anilin, benzen, cch thc hin no di y l hp l? A. Ho tan trong dung dch HCl d, chit ly phn tan. Thm NaOH d v chit ly phn phenol tinh khit. B. Ho tan trong dung dch brom d, lc kt tA. tch halogen thu c phenol. C. Ho tan trong dung dch NaOH d, chit phn tan v thi CO2 vo n d thu c phenol tinh khit. D. Dng dd HCl tch anilin, sau dng brom tch phenol ra khi benzen. Cu 29: Cho Y c cng thc phn t C4H8O2 bit: Y1 O , xtCu Y2. Y H O Y1 + Y2; ,H ,t Vy tn ng ca Y l: A. isopropyl fomiat B. n-propyl fomiat C. metyl propionat D. etyl axetat Cu 30: Khi so snh gia axit acrylic v axit propionic mt s hc sinh c pht biu sau. Pht biu no sai? A. Hai axit trn u tc dng vi Mg, Na2CO3, Ca(OH)2, C2H5OH B. Axit acrylic lm mt mu dung dch Br2, cn axit propionic th khng. C. Tnh axit ca axit propionic mnh hn axit acrylic. D. Axit propionic cn tham gia phn ng th vi Cl2 (askt), cn axit acrylic d tham gia phn ng cng v trng hp. Cu 31: Hp cht A: CxHyOz c MA = 74g, c cc tnh cht sau: - Tc dng vi Na gii phng H2, nhng khng tc dng vi NaOH. - Tham gia phn ng trng gng, ng thi tc dng vi H2 to ru no, ru ny tc dng vi Cu(OH)2 to phc. Vy cng thc cu to ng ca A l: A. CH -CH B. CH -CHD. HCOOCH2-CH3. C. CH3-CH2-COOH2 + 2 o

2

2

3

CHO OH

CHO OH

Cu 32: Cho chuyn ho sau: CH3oh X Y Z Polyme Bit X, Y, Z thuc 3 trong cc cht sau: (1) CH4 (2) HCOOH (3) HCHO (4) HCOOCH3 (5) CH3COOCH=CH2 (6) HCOOCH=CH2 Vy cng thc ng ln lt ca X, Y, Z l: A. (1), (3), (5) B. (2), (4), (6) C. (3), (2), (6) D. (2), (3), (6) Cu 33: Cc pht biu sau, pht biu no l khng ng? A. Lipit l este ca glyxerin v axit bo. B. Lipit ng vt (m) cha ch yu cc axit no, lipit thc vt cha ch yu cc axit khng no. C. Khi x phng ho lipit thu c glyxerin v cc axit bo D. X phng l hn hp cc mui Natri ca cc axit bo cao. Cu 34: Trung ho hn hp gm 2 axit no, n chc k tip nhau trong dy ng ng, phi cn 40ml dung dch NaOH 1,25M. C cn dung dch thu c 4,52gam mui khan. Vy tn gi ca 2 axit l: A. Axit axetic v axit propionic B. Axit fomic v axit axetic C. Axit fomic v axit propionic D. Axit propionic v axit butanoic Cu 35: Hp cht X ng vi cng thc phn t C4H8O2, tc dng c vi NaOH nhng khng tc dng c vi Na, c s ng phn mch h l: A. 2 B. 3 C. 4 D. 5 Cu 36: Cho 20,3 gam hn hp gm glixerin v mt ru no n chc tc dng hon ton vi Na thu c 5,04 lt H2 (ktc). Cng lng hn hp tc dng vi Cu(OH)2 th s ho tan c 0,05 mol Cu(OH)2. Vy cng thc ca ru no n chc l: A. C5H11OH B. C4H9OH C. C3H7OH D.C2H5OH Cu 37: Cht no trong s cc cht sau khi trng hp to polime dng lm thu tinh hu c? A. Axit metacrylic B. Metyl metacrylat C. Metyl acrylat D. Vinyl axetat Cu 38: C 4 cht lng ng trong 4 l b mt nhn gm: Benzen, phenol, ru etyliC. axit axetic. phn bit chng ta dng ho cht () no sau? A. Qu tm, nc Br2, K2CO3. B. K2CO3, dung dch Br2, Na.O2 CH CH CuO,t o

Trng hp

C. Qu tm, nc Br2, Na.D. C B v C u c Cu 39: Cho hp cht sau: [-CO-(CH2)4-CO-NH-(CH2)6-NH]n. Hp cht ny thuc loi polime no sau;

A. Cht do B. Cao su C. T nilon D. T capron Cu 40: Oxi ho 8 gam ru metylic bng CuO ri cho anehyt tan vo 10 gam nc. Nu hiu sut phn ng l 80% th nng andehyt trong dung dch l: A 67% B. 42,9% C. 76,6% D. 37,5%

4Cu 1: Kim loi c tnh dn nhit, dn in v do l do nguyn nhn no sau y: A. Lc ht tnh in gia cc electron t do v ion dng B. Cc ion kim loi chuyn ng t do C. Lc ht tnh in gia cc ion m v dng D. Cc electron ho tr chuyn ng t do Cu 2: Trong cc kim loi sau, kim loi no khng th tc dng vi HNO3 C. ngui nhng c th tc dng vi H2SO4 long: Mg, Fe, Zn, PB. Cr, Ag, Al. A. Fe, PB. Ag B. Zn, Al, Pb C. Fe, Al, Ag D. Al, Fe, Cr. Cu 3: Chn pht biu khng ng? A. S ph hu b mt kim loi hay hp kim do mi trng xung quanh gi l s n mn kim loi B. n mn in ho l s n mn kim loi bi cht in ly, to ra dng in. C. Bn cht ca n mn in ho l qu trnh trao i ion D. n mn in ho xy ra khi in cc phi khc nhau, cng tip xc vi nhau v tip xc vi dung dch cht in li Cu 4: Chn phng trnh ion thu gn ng khi cho Cu vo dung dch Fe2(SO4)3. A. 2Fe3+ + Cu 3Fe2+ + Cu2+ B. 2Fe3+ + 3Cu 2Fe + 3Cu2+ C. Fe3+ + Cu Fe + Cu2+ D. 2Fe3+ + Cu 2Fe2+ + Cu2+ Cu 5: Ho tan hon ton 20 gam hn hp gm Fe v Mg trong dung dch HCl thu c 11,2 lt H2 (ktc). Khi c cn dung dch s c mui khan c khi lng l bao nhiu? A. 19gam B. 55,5 gam C.37,25gam D. Kt qu khc Cu 6: Chn phng php no sau y bo qun kim loi kim? A. ng trong bnh kn c mu sm B. Ngm chng trong ru C. ng trong bnh thu tinh y kn D. Ngm chng trong du ha Cu 7: Phng trnh phn ng sai khi in phn dung dch NaCl c mng ngn xp l: A. ant: 2Cl- - 2e- Cl2 B. catt: 2H2O + 2e- H2 + 2OHC. Cl2 + 2OH- Cl- + ClO- + H2O D. Phng trnh in phn: 2NaCl + 2H2O H + 2NaOH + Cl2. Cu 8: Nhng tnh cht no sau y l ca NaHCO3?

(1) Km bn vi nhit (2) Ch tc dng vi axit mnh (3) L cht lng tnh (4) Thu phn cho mi trng axit (5) Khi thu phn cho mi trng baz mnh (6) Khi thu phn cho mi trng baz yu. A. (1), (2),(6) B. (1), (3),(6) C. (1), (3), (4) D. (1), (2),(5) Cu 9: Cho 100 gam CaCO3 tc dng hon ton vi dung dch HCl ly kh CO2 sc vo dung dch cha 60 gam NaOH. Vy khi lng mui natri thu c l: A. 80 gam B. 84 gam C. 95 gam D. 106 gam Cu 10: Dng 2 thuc th no sau y c th phn bit 4 cht rn sau: Na2CO3, CaCO3, Na2SO4, CaSO4.2H2O A. H2O, HCl B. H2O, MgCl2 C. H2O, BaCl2. D. H2SO4 nc vi. Cu 11: Cc phng php no sau dng kh cng tm thi? (1) Cho dung dch HCl vo nc cng. (2) un si nc cng (3) Dng dung dch Ca(OH)2 va hay dung dung dch NaOH trung ho

(4) Cho dung dch Na2SO4 vo nc cng. (5) Cho dung dch Na2CO3 vo nc cng.A. (1), (2), (3) B. (2), (3), (5) C. (1), (4), (5) B. (2), (4), (5) Cu 12: Cho 11 gam hn hp X gm Al v Fe phn ng vi dung dch NaOH d thu c 6,72 lt kh H2 (ktc). Vy nu em 11 gam hn hp X ho tan trong HCl d th th tch H2 (ktc) thu c l: A. 2,24 lt B. 4,48 lt C. 6,72 lt D. 8,96 lt Cu 13: Ho tan hn hp a gam Mg v Al bng dung dch HCl thu c 8.96 lt kh (ktc). Nu cng ho tan a gam hn hp trn bng dung dch NaOH d th c 6,72 lt kh (ktc) gii phng. Vy gi tr ca a l: A. 7,8 gam B. 11gam C. 15,6 gam D. 22gam 3 Cu 14: Cho 4032 cm kh CO2 (ktc) sc vo dung dch cha 7,4 gam Ca(OH)2. Vy khi lng kt ta thu c sau phn ng l: A. 1 gam B. 8 gam C. 6 gam D. 2 gam Cu 15: Trong cc th nghim sau, th nghim no khi kt thc thu c kt ta Al(OH)3? A. Cho t t dung dch NaOH n d vo dung dch AlCl3. B. Cho t t n d dung dch HCl vo dung dch NaAlO2. C. Cho dung dch NH3 d vo dung dch AlCl3. D. Cho t t n d dung dch H2SO4 vo dung dch NaAlO2 Cu 16: Vai tr ca vch ngn xp khi in phn dung dch NaCl iu ch NaOH l: A. Phn ng in phn xy ra hon ton

B. Chng s n mn ca hai in cc tr. C. Trnh phn ng ca H2 catt v Cl2 ant.

D. Trnh phn ng ca Cl2 ant v dung dch NaOH catt.Cu 17: Khi nung hn hp gm Na2CO3 v NaHCO3, phn ng ho hc no xy ra? A. Na2CO3 + H2O NaHCO3 + CO2 B. Na2CO3 + 1/2O2 Na2O + CO2 C. 2NaHCO3 Na2CO3 + CO2 + H2O D. C B v C Cu 18: Trn 24 gam Fe2O3 vi 10,8 gam Al ri nung nhit cao. Hn hp sau phn ng ho tan vo dung dch NaOH d thu c 5,376 lt kh (ktc). Hiu sut phn ng nhit nhm l: A. 12,5% B. 60% C. 80% D. 16,67% Cu 19: C 5 dung dch ng trong 5 bnh mt nhn: CaCl2, MgCl2, FeCl3, FeCl2, NH4Cl. Dng kim loi no sau y phn bit 5 dung dch trn? A. Na B. Mg C. Al D. Cu Cu 20: Chn cu khng ng trong cc pht biu sau: A. Dy in ho cc kim loi c sp xp theo chiu tng dn tnh oxi ho ca cc ion kim loi v gim dn tnh kh ca cc kim loi. B. Phn ng ca cc cp oxi ho kh xy ra theo chiu: cht oxi ho mnh tc dng vi cht kh mnh to ra cht oxi ho yu v cht kh yu hn. C. Phn ng ca cc cp oxi ho kh xy ra theo chiu: cht oxi ho yu tc dng vi cht kh yu to ra cht oxi ho mnh v cht kh mnh hn. D. Kim loi mnh hn c th kh c ion ca kim loi yu hn trong dung dch mui thnh kim loi t do. Cu 21: Sp xp cc cht sau theo th t gim dn tnh baz: (1) C2H5NH2 (2) NH3 (3) NaOH (4) C6H5NH2 (5) (C6H5)2NH (6) (C2H5)2NH A. (1) > (3) > (6) > (4) > (2) > (5) B. (3) > (6) > (1) > (2) > (4) > (5) C. (3) > (5) > (4) > (6) > (1) > (2) D. (6) > (1) > (3) > (2) > (4) > (5) Cu 22: tch ri anilin, phenol, benzen ra khi mt hn hp, ta dng cc ho cht sau? A. Dung dch Br2, dung dch HCl, dung dch NaOH B. Dung dch HCl, dung dch NaOH, CO2 C. Dung dch Br2, dung dch NaOH, CO2 D. Dung dch HCl, dung dch Br2, CO2 Cu 23: Cho 0,1 mol ru X tc dng vi NA. thu c 1,2 lt H2 (ktc). Mt khc 0,1 mol X lm mt mu va ng 200ml dung dch Br2 0,5M. Bit t khi ca X so vi khng kh bng 2. Vy cng thc cu to ca X l: A. CH2=CH-OH B. CH3-CH=CH-CH2-OH C. CH2=CH-CH2-OH D. CH2=CH-CH(OH)-CH2(OH).

Cu 24: Khi cho axit axetic tc dng vi cc cht sau, phn ng no xy ra? (1) KOH. (2) Mg(3) Cu. (4) CuO. (5) Na2CO3 (6) Na2SO4. (7) HCl (8) C2H5OH. (9) AgNO3/NH3 (10) Cu(OH)2. A. (1), (4), (5), (6), (10) B. (1), (2), (4), (5), (6), (8) C. (1), (4), (5), (8), (10) D. (1), (2), (5), (9). Cu 25: Dy no di y gm cc cht u tc dng c vi axit fomic? A. Dung dch NaHCO3, CH3OH, dung dch AgNO3/NH3 B. Dung dch NH3, Cu, C2H5OH C. Dung dch AgNO3/NH3, NaCl, C2H5OH D. Dung dch NaOH, CH3OH, Na2SO4. Cu 26: X l mt aminoaxit no ch cha 1 nhm -NH2 v 1 nhm -COOH. Cho 0,89 gam X tc dng vi HCl va to ra 1,255 gam mui. Cng thc cu to ca X l: A. H2N-CH2-COOH B. CH3-CH(NH2)-COOH C. CH3- CH(NH2)-CH2-COOH D. C3H7-CH(NH2)-COOH Cu 27: C bao nhiu cht ng vi cng thc phn t C7H8O va tc dng vi NA. va tc dng vi dung dch NaOH? A. 1 B. 2 C. 3 D. 4 Cu 28: C 3 cht lng ring bit: ru etyliC. axit axetic v phenol. Dng ho cht no sau phn bit 3 cht lng ? A. Na B. Dung dch NaOH C. Dung dch Br2 v dung dch NaOH D. Dung dch Br2 v dung dch Na2CO3. Cu 29: C bao nhiu phn ng c th xy ra khi cho cc ng phn mch h c C 2H4O2 tc dng ln lt: NA. NaOH, Na2CO3? A. 2 B. 3 C. 4 D. 5 Cu 30: Khi lng axit axetic trong gim n thu c l bao nhiu khi ln men 0,5 lt ru etylic 6o. Bit khi lng ring ca ru etylic l 0,8g/ml. A. 31,3 gam B. 34,5 gam C. 39,8 gam D. 34,9 gam Cu 31: Trong phn ng este ho gia ru etylic v axit axetiC. thu c nhiu este ta cn lm: A. Tng nng ru hay axit B. Dng cht ht nc tch nc. C. Chng ct ngay ly este D. C ba bin php A. B. C Cu 32: Bnh nhn phi tip ng (tim hoc truyn dung dch ng vo tnh mch), l loi ng no? A. Glucoz B. Saccarozo C. Mantoz D. ng ho hc. Cu 33: Trong cc pht biu sau, pht biu no sai? A. Axit propionic c nhit si cao hn propanal.

B. Etyl axetat c nhit si cao hn axit axetic C. Etyl fomiat tan trong nc D. Metyl fomiat c mi to. Cu 34: Cht no trong cc cht sau: Du m (1), m b (2), du nht (3), b (4), sa chua (5) l lipit: A. (1), (3), (5) B. (1), (2), (3) C. (1), (2), (4) D. (2), (3), (4) Cu 35: t chy mt ru a chc thu c nc v CO2 c t l mol: n(H2O) : n(CO2) = 3 : 2. Vy ru l: A. C2H6O B. C3H8O C. C2H6O2 D. C4H10O2 Cu 36: Mt s hc sinh c cc pht biu sau: (1) Protit l loi hp cht cao phn t thin nhin c cu trc phc tp (2) Protit ch c trong c th ngi v ng vt (3) C th ngi v ng vt khng th tng hp c Protit t nhng cht v c, m ch tng hp c t cc amino axit. (4) Protit bn i vi nhit, i vi axit v baz kim Cc pht biu ng l: A. (1), (2). B. (2), (3). C. (1), (2). D. (3), (4). Cu 37: Cho 0,94 gam hn hp hai anehit n chc no k tip nhau trong dy ng ng cho tc dng ht vi dung dch AgNO3/NH3 thu c 3,24 gam Ag. Cng thc phn t ca hai anehit l: A. CH3CHO v HCHO B. CH3CHO v C2H5CHO C. C2H5CHO v C3H7CHO D. C3H7CHO v C4H9CHO Cu 38: Xt cc cht hu c: (1) CH3-CH2-CHO (2) CH3-CO-CH3 (3) CH2=CH-CHO (4) CH C-CH2-OH Nhng cht no cng H2 (d)/Ni, to cho sn phm ging nhau? A. (2), (3), (4) B. (1), (3), (4) C. (2), (3). D. (1), (2). Cu 39: t chy 1 mol ru no X cn 3 mol O2, cng thc phn t ca ru no X nh sau: A. C2H6O B. C4H10O2 C. C3H8O D. C3H8O3 Cu 40: Nhng cht v vt liu no sau y l polime? (1) Polietylen (2) Polistiren (3) t st t (4) Nhm (5) Bakelit (nha chui n) (6) Cao su A. (1), (2), (3) B. (1), (2), (4) C. (1), (2), (5), (6) D. (2), (3), (4)

5 Cu 1: Cho cc cp oxi ho kh sau: Fe2+/Fe, Fe3+/Fe2+, Cu2+/Cu, Hg2+/Hg, Ag+/Ag, 2H+/H2.

Fe2+/Fe, Fe3+/Fe2+, Cu2+/Cu, Hg2+/Hg, Ag+/Ag, 2H+/H2. Hy sp xp th t tnh oxi ho tng dn ca cc cp trn: A. Fe2+/Fe < 2H+/H2 Mg2+ B. Na+ > Ne > Mg2+ C. Na+ > Mg2+> Ne D. Mg2+> Na+ > Ne Cu 31: theo phng trnh ion thu gn, ion OH- c th phn ng vi ion no sau y? A. H+; NH4+; HCO3- . B. Fe+; Zn2+; Al3+; C. Cu2+; Mg2+; Al3+; D. Tt c u ng. Cu 32: Dung dch AlCl3 trong nc b thy phn. Thm vo dung dch cc cht sau y, cht no lm tng cng qu trnh thy phn ca AlCl3? A. NH4Cl. B. Na2CO3 C. ZnSO4 D. khng c cht no c Cu 33: trong phn ng Cl2 + 2NaOH NaCl + NaClO + H2O th Cl2 ng vai tr: A. cht kh. B. cht xi ha. C. va xi hA. va kh D. Khng phi l cht oxi hA. cng khng phi l cht kh. Cu 34: Trong cc cp cht sau y, Cp cht no cng tn ti trong dung dch: A. AlCl3 v K2CO3. B. NaOH v NaHCO3 C. NaAlO2 v NaOH. D. NaCl v AgNO3 Cu 35: Ha tan 7,8g hn hp gm Al v Mg bng NaOH d. Sau phn ng, khi lng cht rn cn li l 2,4gam. Khi lng mi kim loi Al v Mg trong hn hp l: A. mAl= 5,4gam v mMg= 2,4gam. B. mAl= 2,7gam v mMg= 2,4gam. C. mAl= 5,4gam v mMg= 1,2gam. D. mAl= 2,7gam v mMg= 4,8gam. Cu 36: C dung dch cc cht sau: NaBr, ZnSO4, Na2CO3, AgNO3, BaCl2. Ch dng thm 1 ha cht th qu trnh phn bit cc cht trn c th l: A. tm cch phn bit BaCl2. sau dng HCl. B. Dng dung dch HCl, sau dng dung dch AgNO3 pht hin. C. Pht hin NaBr trC. sau dng HCl.

D. Tm cch phn bit BaCl2, sau dng NaOH. Cu 37: CaOCl2 thuc loi mui no trong cc mui sau: A. Mui Axit. B. Mui trung ha C. mui kp. D. mui hn tp Cu 38: Ngm 1 l km trong mt dung dch cha 2,24gam ion kim loi c in tch 2+. Sau khi phn ng kt thC. nhn thy khi lng l km tng 0,94 gam ion kim loi l: A. Cd2+. B. Pd2+. C. Sn2+. D. Fe2+. Cu 39: Cn hit cc iu kin no sau y xy ra qu trnh n mn in ha: (1) Hai in cc phi l 2 cht c tnh kh khc nhau. (2) Cc in cc phi tip xc trc tip hoc gin tip qua dy dn. (3) Hai in cc phi cng tip xc vi dung dch in li A. (2) v (3) B. (1) v (2) C. (1) v (3) D. (1), (2) v (3) Cu 40: in phn dung dch CuSO4 vi in cc tr graphit. Sau mt thi gian, ngi ta thy khi lng catot tng 0,544gam. Th tch kh thu c iu kin chun l: A. 0,097lt B. 0,215lt C. 0.025lt D. Phng n khc

12Cu 1: Cho cc hp cht sau y: (1) etandiol 1,2 (2) propandiol 1,3 (3) propadiol 1,2 (4) propantriol 1,2,3 cc cht no l ng ng ca nhau? A. 1,3 B. 2,3 C. 1,2,4 D. Khng c cht no l ng ng ca nhau. Cu 2: chng minh nh hng ca nhm OH ln vng benzen trong phenol ngi ta thc hin phn ng: A. Phenol tc dng vi Na gii phng kh H2. B. Phenol tc dng c vi NaOH to ra mui C. Penol tc dng vi dung dch Br2 to kt ta trng 2, 4, 6 tribrom phenol. D. Phn ng trng ngng ca phenol vi andeht fomic. Cu 3: Cho s tng hp sau:C.6000 HNO3/H2SO4 Fe/HCl d

C2H2 (A) (B) (C) A. B. C ln lt l? A. C6H6, C6H5NO2, C6H5NH3Cl B. C6H6, C6H5NO2, C6H5NH2 C. C6H6, C5H9NO2, C5H9NH2 D. Kt qu khc. Cu 4: Trong cc cht sau, cht no khng tc dng c vi Ag2O/NH3? A. Fomon. B. Etylfomiat C. Axetilen D. Axit axetic.

Cu 5: Axit fomic c th cho phn ng vi Ag2O/NH3v phn ng kh Cu(OH)2 thnh kt ta gch l do: A. Axit fomic l 1 axit mnh nn phn ng d dng. B. Phn t cha nhm CHO c tnh kh. C. Axit HCOOH c 1 nguyn t H linh ng. D. c A. B. C u ng Cu 6: Hn hp 2,76g gm axit axetic v axit acrylic lm mt mu hon ton 50g dung dch brom 9,6%. Nu trung ha hn hp trn bng dung dch NaOH 0,25M th th tch dung dch NaOH 0,25M l: A. 160ml. B. 80ml C. 100ml D. 40ml Cu 7: Hai este A. B l ng phn ca nhau v u do cc axit cacboxilic no n chc v ru no n chc to thnh. x phng ha hon ton 33,3g hn hp 2 este trn cn 450ml dung dch NaOH 1M. Cng thc phn t ca 2 este trn l: A. C3H6O2. B. C4H8O2. C. C2H4O2. D. C3H8O2. Cu 8: 10 gam hn hp 2 axit HCOOH v CH3COOH trung ha va 190ml dung dch NaOH 1 M. Nu cho 10 gam hn hp trn tc dng vi 9,2gam ru etylic c H2SO4 c xc tc. Hiu sut ca phn ng este ha l 90%. Lng este thu c l: A. 15g B. 13,778g C. 14,632g D. 17g Cu 9: Tinh bt khc vi xenluloz ch: A. c trng ca phn ng thy phn B. Kh nng ha tan trong nc C. V thnh phn ca phn t D. V cu trc mch phn t. Cu 10: T 10kg go np cha 80% tinh bt vi hiu sut ca qa trnh ln men t 80%, khi ln men s thu c V lt ru C2H5OH nguyn cht c khi lng ring l 0,789g/ml. Gi tr ca V A. 4ml. B. 4,32ml. C. 4,52ml D. 4,61ml Cu 11: Thy phn hp cht c cng thc cu to sau trong mi trng axit: H2N CH2 CO NH CH CO CH CO NH CH2 COOH CH2COOH CH2C6H5 Sn phm thu c l: A. H2N CH2 COOH B. NH2 CH COOH CH2COOH C. C6H5 CH2 CH OH D. c 3 cht trn COOH Cu 12: Phn t khi trung bnh ca poli (hexametilen adipamit) ch to t nilon - 6,6 l 30.000 v ca caosu thin nhin l 105.000. S mt xch gn ng trong CTPT ca mi loi polime tng ng l: A. 133; 1544. B. 215; 1620. C. 143;1120 D. p n khc

Cu 13: phn bit c cc loi t tm v la sn xut bng nhn to. Ngi ta s dng cc cch no sau y: A. Ngm trong dung dch H2SO4 c B. t chy. C. Ngm trong dung dch NaOH D. Ngm trong HNO3 Cu 14: Cho: (1) etanol; (2) vinylaxetilen; (3)izopren; (4) 2 phenyletanol 1 Tp hp cc cht no sau y iu ch cao su buna S: A. (1+ 3). B. (1 +4) C. (2+3) D. (3 +4) Cu 15: ng phn no ca C4H9OH khi tch nc s cho 3 anken A. Ru isobutylic B. 2- Metyl propanol 2 C. Butanol 1 D. Butanol 2 Cu 16: X c CTPT l C5H8O2. Thy phn X trong mi trng axit to axit metacrylic. CTCT ng ca X l: A. CH2 = C(CH3) COOCH3 B. CH2 = CH - CH2 COOCH C. CH2 = CH COOC2H5 D. CH3CH2COOCH = CH2 Cu 17: Cho s : C2H5OH M N; M, N ln lt l: A. C2H2, C2H3Cl. B. C2H4, C2H5Cl. C. C2H6, C2H5Cl. D. C2H2, C2H4 Cu 18: Mt hp cht A c cng thc phn t l C3H6O2. A khng tc dng vi NaOh m tham gia c phn ng trng bc v tc dng vi Na. Cng thc cu to ng ca A l: A. CH3 CH(OH) CHO. B. CH3CH2 - COOH C. CH3 O CH2CHO. D. CH3 - CO- CH2 OH Cu 19: Trung ha han ton 3,6 gam mt axit n chc cn dng 25 gam dung dch NaOH 8% axit ny l: A. Axit axetic. B. Axit acrylic C. Axit propionic D. Axit fomic Cu 20: Cng thc tng qut ca mt hp cht A: RCOOR; A l Este khi R l: A. Ankyl B. Ankenyl C. H D. C A v B Cu 21: Kiu mng tinh th ca cc kim loi kim: A.Lp phng tm din: B.Lp phng tm khi C. Lng tr lc gic u D. C lp phng tm din v lp phng tm khi Cu 22: Cc phn ng no sau y dng iu ch mui Fe3+? A. Fe + HNO3 c ngui B. Fe + Cu(NO3)2 C. Fe(NO3)2 + Ag NO3 D. Fe +Fe(NO3)2 Cu 23: Kh hon ton 8 gam 1 oxit kim loi ha tr 2 bng H 2 th cn 2,24 lt H2 ktc. Oxit kim loi l: A. CuO B. Fe2O3. C. PbO D. MgO1700C. H2SO4 dd HCl

Cu 24: Nung nng 100 gam hn hp gm Na2CO3 v NaHCO3 cho n khi khi lng ca hn hp khng i c 69gam cht rn, thnh phn % mi cht trong hn hp u ca Na2CO3 v NaHCO3 tng ng l: A. 80% v 20% B. 79% v 21% C. 82% v 18% D. 84% v 16% Cu 25: Cho dung dch nhng cht sau: NaHCO3, NaCl; NaOH; Na2CO3. dung dch phn ng c vi c axit b baz l: A. NaHCO3 B. NaHCO3; Na2CO3 C. NaCl; NaOH ; Na2CO3 D. NaHCO3; NaCl; NaOH Cu 26: C 4 cc ng ring bit Nc nguyn cht Nc cng tm thig (cha Ca(HCO3)2 Nc cng vnh cu (cha CaSO4) Nc cng ton phn (cha c 2 mui trn) Cch n gin nht nhn bit 4 cc trn l: A. Dng dung dch HCl, Na2CO3 v un nng. B. un nng, dng dung dch Na2CO3 C. Dng dung dch HCl, NaOH v un nng D. Kt hp c A v B Cu 27: A l kim loi thuc nhm IIA. 2 gam kim loi ny tc dng vi dung dch HCl th thu c 5,55g mui. Vy kim loi A l: A. Ca. B. Mg C. Ba D. Sr Cu 28: Dung dch AlCl3 trong nc c pH nm trong khong no A. pH = 7. B. pH > 7 C. pH< 7 D. khng xc nh c Cu 29: Cc 1 ng 200ml dung dch AlCl3 2M c 2 cha 200ml dung dch NaOH a mol/l. cc 1 vo cc 2, ta thu c kt tA. em sy kh n khi lng khng i th thu c 5,1g cht rn. Gi tr ca a l: A. 1,5M hay 7,5M B. 1,6M hay 1M C. 1M hay 1,5M D. 2 M hay 2,5M Cu 30: Mt kim loi M phn ng va vi 6,72 lt kh Cl2 (ktc) thu c 32,5 gam mui clorua. Kim loi X l: A. Fe B. Cu C. Ca Mg Cu 31: Cho bit th t cc cp xi ha kh sau: Al 3+/Al; Fe2+/Fe; Ni2+/Ni; Cu2+/Cu; Fe3+/Fe2+; Ag+/Ag Kim loi c kh nng kh Fe3+ v mc xi ha thp hnl: A. Al, Fe, Ni, Cu B.Al, Fe, Ni, Ag C. Al, Cu, Ni, Ag E. Ch c Al Cu 32: Kh a gam mt xi st bng CO nhit cao, ngi ta thu c 0,84g st v 0,88g kh CO2. Cng thc ha hc ca st l: A. Fe2O3 B. Fe3O4 C. FeO D. Khng c kt qu no ph hp

Cu 33: 40 ml dung dch NaOH 0,09 M c pha thnh 100ml v thm vo 30 ml dung dch HCl 0,1ml, pH dung dch mi l: A.11,66 B.12,38 C. 12,8 D. 9,57 Cu 34: Cc cht hay ion c tnh baz l: A. H2SO4-, HCO3-, CL-. B. NH4+, Na+, ZnO. C. CO32-, CH3COO-, C6H5O-. D. CO32-, NH4+, Na+. Cu 35: Sc kh H2S vo dung dch Cu(NO3)2 th thy xut hin kt ta en. Nhng kt lun sau y l ng? A. H2SO4 yu hn H2S. B. Xy ra phn ng xi ha kh. C. CuS khng tan trong nc. D. C hin tng to phc. Cu 36: Dy cc cht no sau y va tc dng vi NaOH, va tc dng vi HCl? A. Pb(OH)2; ZnO; Fe2O3 B. Al(OH)3; Al2O3; Na2CO3 C. Na2HPO4; ZnO; Zn(OH)2 D. NaHCO3; CuCl2; Zn(OH)2 Cu 37: Cho 11,3 gam Mg v Zn tc dng vi dung dch H2SO4 d th thu c 6,72 lt kh (ktc). C cn dung dch sau phn ng, thu c khi lng khan bng: A. 40,1 gam B. 41,1 gam C. 41,2 gam D.14,2 gam Cu 38: Trong hn hp rn gm: NH4CL; BaCl2; MgCl2. Cch hp l nht tch tng mui ra khi hn hp: A. un nng hn hp, thu kh ri lm lnh; Cho cc cht cn li tc dng vi dung dch Ba(OH)2; cho cc phn kt ta v dung dch tc dng vi HCl; c cn dung dch. B. Cho hn hp tc dng vi dung dch Ba(OH)2; thu kh ri lm lnh; Cho phn kt ta v dung dch tc dng vi dung dch HCl; c cn cc phn dung dch. C. Cho hn hp tc dng vi dung dch (NH4)2CO3; Ha tan cht rn trong dung dch HCl; Cho dung dch tc dng vi Ba(OH)2 d; Cho phn kt ta v phn dung dch tc dng vi dung dch HCl; c cn dung dch. D. C A. B. C u ng Cu 39:Cho dung dch cha cc ion sau: Na+, Ca2+, Ba2+; H+. Mun tch c nhiu cation ra khi dung dch m khng a ion l vo dung dch, ta c th cho dung dch tc dng vi cht no trong cc cht sau y? A. Dung dch K2CO3 va B. Dung dch Na2SO4 va . C. Dung dch NaOH va D. Dung dch Na2CO3 va Cu 40: in phn dung dch hn hp CuCl2 v HCl; pH ca dung dch th no? A. Khng thay di B. Tng ln C. Gim xung D. Kt qu khc

13

Cu 1: CT tng qut ca mt ru no hai chc l: (1)CnH2n+2O2 (2)Cn-2H2(n-2)(OH)2 (3)Cn-2H2n(OH)2 (4) CnH2n+1O2 A. 1 ng B. 1,2 ng C. 2,3 ng D. 4 ng Cu 2: Cho 1,24g hn hp hai ru no n chc tc dng va vi Na thy thot ra 336 ml H2 (ktc) v m (g) mui natri. Khi lng mui natri thu c l: A. 1,93 g B. 2,93 g C. 1,9 g D. 1,47 g Cu 3: Cho hp cht A c cng thc cu to H2N (CH2)6- NH2. Tn gi ca A l: A. Hexa metylen diamin B. Hexan Cu 4: Cho dy chuyn ha sau:H 2 OHgHgHg 4 B 3 CH 3 COOH + Ag AgNO3 / NH

H2/Ni,t0-> C CTCT ca A,B,C ln lt l: A. CH CH, CH3CHO, CH3COOH. B. CH CH, CH2 = CHOH, CH3CH2OH C. CH CH, CH3CHO, CH3CH2OH. D. CH CH, CH2 = CH2, CH3-CH3 Cu 5: Dy cc cht no di y c xp theo chiu tng dn ca tnh axit? A. H2CO3