LUYN THI I HC S 12- LP 12ê1 Cõu 1: Hũa tan ht 2,54 gam hn hp Fe3O4, Fe2O3 v FeO cn dựng 160 ml HCl 0,5M Nu kh hon ton 2,54 gam hn hp trờn bng khớ H2 nhit cao thỡ thu c lng Fe l? A 5,6 gam B 3,6 gam C 4,6 gam D 2,4 gam Cõu 2: phõn bit c cỏc cht Hex-1-in, Toluen, Benzen ta dựng thuc th nht l A dd Brom B dd KMnO4 C dd AgNO3/NH3 D dd HCl Cõu 3: Quy tc macopnhicop ỏp dng cho trng hp no sau õy ? A Phn ng cng Brom vo anken i xng B Phn ng cng Brom vo anken bt i xng C Phn ng cng HBr vo anken i xng D Phn ng cng HBr vo anken bt i xng Cõu Hn hp X gm cht: CH2O2; C2H4O2, C4H8O2 t chỏy hon ton mt lng hn hp X thu c 0,8 mol H2O v m gam CO2 Giỏ tr ca m l A 70,40 B 35,20 C 17,60 D 17,92 Cõu bo v ng thộp (dn nc, dn du, dn khớ t) bng phng phỏp in húa, ngi ta gn vo mt ngoi ca ng thộp nhng kim loi bng A Pb B Zn C Cu D Ag Cõu x lý cht thi cú tớnh axit ngi ta thng dựng A mui n B nc vụi C phốn chua D gim n Cõu 7: Cho khớ CO d qua hn hp gm CuO, MgO, Al 2O3 nung núng Sau phn ng xy hon ton thu c cht rn gm: A Cu, Mg, Al B Cu, Al, MgO C Cu, Al2O3 , MgO D Cu, Al2O3, Mg Cõu 8: Hp cht hu c X cha vũng benzen v cú CTPT l C 9H8O2 X tỏc dng d dng vi dung dch brom thu c cht Y cú cụng thc phõn t l C 9H8O2Br2 Mt khỏc, cho X tỏc dng vi NaHCO thu c mui Z cú CTPT l C9H7O2Na Hóy cho bit X cú bao nhiờu cụng thc cu to ? A B C D Cõu 9: Cho cỏc dung dch sau: (1) dung dch Br 2/H2O ; (2) dung dch Br2/CCl4 ; (3) dung dch BaCl2; (4) dung dch Ba(OH)2 S dung dch cú th dựng phõn bit hai cht: SO v SO3 (khi chỳng u th khớ) l A B C D Cõu 10: Cho n cht X, Y tỏc dng vi nhau, thu c khớ A cú mựi trng thi t chỏy A khớ O d thu c khớ B cú mựi hc, A tỏc dng vi B to X X, Y, A, B ln lt l A S, H2, H2S, SO2 B H2, S, H2S, SO2 C H2, S, SO2, H2S D S, H2, H2S, H2SO4 Cõu 11 Cho 3,68 gam hn hp Al, Zn vo dung dch H2SO4 20% (va ), thu c 0,1 mol H2 Khi lng dung dch sau phn ng l A 42,58 g B 52,68 g C 52,48 g D 13,28 g Cõu 12 Kim loi no sau õy l kim loi kim th? A Ba B Cr C Fe D Al Cõu 13 Cho dóy cỏc oxit MgO, FeO, CrO3, Cr2O3 S oxit lng tớnh dóy l A B C D Cõu 14: Khi cho hn hp bt Fe3O4 v Cu vo dung dch H 2SO4 loóng d c cht rn X v dung dch Y Dóy no di õy gm cỏc cht u tỏc dng c vi dung dch Y ? A BaCl2, HCl, Cl2 B NaOH, Na2SO4,Cl2 C KI, NH3, NH4Cl D Br2, NaNO3, KMnO4 Cõu 15: Nhng kim lai no sau õy cú th c iu ch theo phng phỏp nhit luyn (nh cht kh CO) i t oxit kim loi tng ng ? A Al, Cu B Mg, Fe C Fe, Ni D Ca, Cu Cõu 16: Cht X cú CTPT C2H7NO2 tỏc dng vi dung dch HCl v dung dch NaOH Cht X thuc loi hp cht no sau õy ? A Aminoaxit v este ca aminoaxit B Aminoaxit v mui amoni C Aminoaxit D Mui amoni Cõu 17 Cho dóy cỏc cht Al, Al2O3, AlCl3, Al(OH)3 S cht dóy va phn ng c vi NaOH, va phn ng c vi HCl l A B C D Cõu 18 nhit cao khớ H2 kh c oxit no sau õy? A MgO B CuO C CaO D Al2O3 Cõu 19 un núng dung dch cha m gam glucoz vi lng d dung dch AgNO3 NH3 Sau phn ng hon ton thu c 10,8 gam Ag Giỏ tr ca m l A 8,1 g B 9,0 g C 18,0 g D 4,5 g Cõu 20 Cho dung dch NaOH vo dung dch mui clorua X, lỳc u thy xut hin kt ta trng hi xanh sau ú chuyn dn sang mu nõu Cụng thc ca X l A CrCl3 B FeCl2 C MgCl2 D FeCl3 Cõu 21 Cho 10,8 gam kim loi M phn ng hon ton vi Clo d thu c 53,4 gam mui Kim loi M l A Al B Zn C Mg D Fe Cõu 22 un núng 0,1 mol este n chc X vi 135 ml dung dch NaOH 1M Sau phn ng xy hon ton, cụ cn dung dch sau phn ng thu c ancol etylic v 9,6 gam cht rn khan Cụng thc cu to ca X l A C2H3COOC2H5 B CH3COOC2H5 C C2H5COOC2H5 D C2H5COOCH3 Cõu 23 Cụng thc ca glyxin l A CH3NH2 B H2NCH(CH3)COOH C H2NCH2COOH D C2H5NH2 Cõu 24 Cho 6,72 gam Fe tỏc dng vi 125 ml dung dch HNO3 3,2M, thu c dung dch X v khớ NO (sn phm kh nht ca N+5) Bit cỏc phn ng xy hon ton lng mui dung dch X l A 24,20 g B 21,60 g C 25,32 g D 29,04 g Cõu 25 Cho dóy cỏc kim loi Li, Na, Al, Ca S kim loi kim dóy l A B C D Cõu 26 Kim loi st khụng tan dung dch A HNO3 c, núng B H2SO4 c, núng C HNO3 c, ngui D H2SO4 loóng Cõu 27 Oxit no sau õy b oxi húa phn ng vi HNO3 loóng? A Al2O3 B MgO C Fe2O3 D FeO Cõu 28 Dóy no sau õy gm cỏc cht sp xp theo th t tng dn lc bazo? A Anilin, metyl amin, amoniac B Anilin, amoniac, metyl amin C Amoniac, etyl amin, anilin D Etyl amin, anilin, amoniac Cõu 29 Cho bt Al vo dung dch KOH d, thy hin tng A si bt khớ, bt Al khụng tan ht v dung dch khụng mu B si bt khớ, bt Al tan dn n ht v dung dch mu xanh lam C si bt khớ, bt Al khụng tan ht v dung dch mu xanh lam D si bt khớ, bt Al tan dn n ht v dung dch khụng mu Cõu 30 Sc khớ no sau õy vo dung dch Ca(OH)2 d thy xut hin kt ta mu trng? A CO2 B O2 C HCl D H2 Cõu 31 Polime no sau õy c iu ch bng phn ng trựng ngng A Polietilen B Poli(etylen terephtalat) C Poli(vinyl clorua) D Polistiren Cõu 32: Cho 11,9 gam hn hp Al v Zn tỏc dng vi dung dch HCl d thu c 8,96 lớt khớ (ktc) Cụ cn dung dch thu c mui khan cú lng l A 43,3 gam B 54,4 gam C 40,3gam D 53,4 gam Cõu 33: Trong PTN HX c /c t p/ sau: NaR (rn) + H2SO4 (c, núng) NaHSO4 (hoc Na2SO4) + HR (khớ) Hóy cho bit pp trờn cú th dựng /c c dóy HX no sau õy ? A HCl, HBr v HI B HF, HCl, HNO3 C HBr v HI D HF, HCl, HBr, HI Cõu 34 nhit thng kim loi Na phn ng vi nc to thnh A NaOH v H2 B NaOH v O2 C Na2O v H2 D Na2O v O2 Cõu 35 Hũa tan hon ton 3,80 gam hn hp gm kim loi kim thuc chu k liờn tip dung dch HCl d, thu c 2,24 lớt khớ H2 (ktc) Hai kim loi kim ú l A K v Rb B Na v K C Rb v Cs D Li v Na Cõu 36: Cho cỏc cht: axit propionic (X), axit axetic (Y), ancol etylic (Z) v imetyl ete (T) Dóy gm cỏc cht c sp xp theo chiu tng dn nhit sụi l A T, Z, Y, X B Z, T, Y, X C T, X, Y, Z D Y, T, X, Z Cõu 37 Cht X l baz mnh c s dng rng rói nhiu ngnh cụng nghip nh sn xut clorua vụi CaOCl2, vt liu xõy dng Cụng thc ca X l A NaOH B Ba(OH)2 C Ca(OH)2 D KOH Cõu 38: Cho hn hp X gm ancol metylic, etylen glicol v glyxerol t chỏy hon ton m gam X thu c 6,72 lớt khớ CO2 (ktc) Cng m gam X trờn cho tỏc dng vi Na d thu c ti a V lớt khớ H2 (ktc) Giỏ tr ca V l A 5,6 B 6,72 C 3,36 D 11,2 Cõu 39: Trng hp no sau õy khụng xy phn ng ? A Fe + dung dch CuSO4 B Cu + dung dch HCl C Cu + dung dch HNO3 D Fe + dung dch Fe2(SO4)3 Cõu 40: Nguyờn t Y l phi kim thuc chu kỡ 3, cú cụng thc oxit cao nht l YO Nguyờn tt Y to vi kim loi M hp cht cú cụng thc MY, ú M chim 63,64% v lng Kim loi M l A Cu B Zn C Mg D Fe Cõu 41: Cho hn hp khớ oxi v ozon Sau mt thi gian ozon b phõn hy ht thu c mt cht khớ nht cú th tớch tng 2% Phn trm ca ozon hn hp khớ ban u l A 5% B 4% C 8% D 2% Cõu 42: Cho cỏc sơ đồ phn ng: HCl NaOH NaOH HCl H2N-R-COOH + H2N-R-COOH + A1 + A2 ; B1 + B2 Điều kt luận sau đúng: A A1 khác B2 B A2 khác B1 C A1 trùng với B2 A2 trùng với B1 D A1, A2, B1, B2 chất khác Cõu 43: Nhỳng Zn vo dung dch mui X, sau mt thi gian ly Zn thy lng Zn gim Ly Zn sau phn ng trờn cho vo dung dch HCl d, thy cũn mt phn kim lai cha tan X l mui ca kim loi no sau õy ? A Ni B Fe C Cu D Ag Cõu 44: Hn hp X gm Mg v MgO chia lm phn bng nhau: Phn tỏc dng ht vi dung dch HCl thu c 0,14 mol H2; cụ cn dung dch v lm khụ c 14,25 gam cht rn khan Phn tỏc dng ht vi dung dch HNO3 c 0,02 mol khớ Y (sp khớ nht), cụ cn v lm khụ c 23 gam cht rn khan Khớ Y l: A NO2 B NO C N2 D N2O Cõu 45: Hũa tan hon ton 2,43 gam hn hp gm Mg v Zn vo mt lng va dung dch H 2SO4 loóng, sau phn ng thu c 1,12 lớt H2 (ktc) v dung dch X Khi lng mui dung dch X l A 7,33 gam B 5,83 gam C 7,23 gam D 4,83 gam + HCl + H du ( Ni ,t ) + NaOH du ,t Cõu 46: Cho s chuyn húa: Triolein Z X Y Tờn ca Z l A axit linoleic B axit oleic C axit panmitic D axit stearic 3+ Cõu 47: Cation M cú cu hỡnh e ngoi cựng l 2p Khi cho dung dch MCl vo cỏc ng nghim ng lng d cỏc dung dch: Na2CO3, NaOH, NH3, Na2SO4 S ng nghim sau phn ng cú kt ta hiroxit l A B C D 2+ 2+ Cõu 48: Dung dch Y cha: 0,1 mol Ca , 0,3 mol Mg , 0,4 mol Cl v y mol HCO3- Khi cụ cn dung dch Y thu c mui khan cú lng l A 30,5 gam B 37,4 gam C 25,4 gam D 49,8 gam Cõu 49: Hũa tan ht 10,4 gam hn hp Fe, Mg vo 500ml dung dch hn hp H 2SO4 0,4M v HCl 0,8M thu c dung dch Y v 6,72 lớt H2 (ktc) Cụ cn dung dch Y thu c m gam mui khan Giỏ tr ca m l A 34,2 m 39,2 B 36,7 C 34,2 D 39,2 Cõu 50: Cho 17,88 gam hn hp X gm axit cacboxylic l ng ng k tip phn ng hon ton vi 200ml dung dch NaOH 1M v KOH 1M, thu c dung dch Y Cụ cn dung dch Y, thu c 32,22 gam hn hp cht rn khan Cụng thc ca axit X l A C2H4O2 v C3H6O2 B C3H4O2 v C4H6O2 C C2H4O2 v C3H4O2 D C3H6O2 v C4H8O2 0 C 11 C 21 A 31 B 41 B B 12 A 22 B 32 C 42 C D 13 D 23 C 33 B 43 C B 14 D 24 A 34 A 44 C B 15 C 25 C 35 B 45 C B 16 D 26 C 36 A 46 D C 17 D 27 D 37 C 47 D A 18 B 28 B 38 C 48 B A 19 B 29 D 39 B 49 D 10 A 20 B 30 A 40 D 50 A