1 S 024 Kt lun no biu th ỳng v kớch thc ca nguyờn t v ion? A Na < Na+, F > F B Na < Na+, F < F C Na > Na+, F > F D Na > Na+, F < F Cho 0,54 gam Al vo 40 ml dung dch NaOH 1M, sau phn ng hon ton thu c dung dch X Cho t t dung dch HCl 0,5M vo dung dch X thu c kt ta thu c lng kt ta ln nht cn th tớch dung dch HCl 0,5M l A 110 ml B 90 ml C 70 ml D 80 ml Mi cht v ion dóy no sau va cú tớnh kh, va cú tớnh oxi hoỏ? A SO2, S, Fe3+ B Fe2+, Fe, Ca, KMnO4 C SO2, Fe2+, S, Cl2 D SO2, S, Fe2+, F2 Kim loi nhụm b oxi hoỏ dung dch kim (dung dch NaOH) Trong quỏ trỡnh ú cht oxi hoỏ l A Al B H2O C NaOH D H2O v NaOH Mi phõn t v ion dóy no sau va cú tớnh axit, va cú tớnh baz? A HSO4, ZnO, Al2O3, HCO3, H2O, CaO B NH4+, HCO3, CH3COO C ZnO, Al2O3, HCO3, H2O D HCO3, Al2O3, Al3+, BaO Dung dch Y cha Ca2+ 0,1 mol, Mg2+ 0,3 mol, Cl 0,4 mol, HCO3 y mol Khi cụ cn dung dch Y ta thu c mui khan cú lng l A 37,4 gam B 49,8 gam C 25,4 gam D 30,5 gam Mi cht dóy no sau ch phn ng vi dung dch axit sunfuric c, núng m khụng phn ng vi dung dch axit sunfuric loóng? A Al, Fe, FeS2, CuO B Cu, S C Al, Fe, FeS2, Cu D S, BaCl2 Cho s phn ng: X ú X l A NH3 H 2O B CO2 dd X HCl Y NaOH Khớ X C SO2 HNO Z o t T + H2O, D NO2 Cho gam canxi tan hon ton 200 ml dung dch hn hp HCl 2M v H 2SO4 0,75M thu c khớ H2 v dung dch X Cụ cn dung dch X thu c lng mui khan l A 22,2 gam B 25,95 gam C 22,2 gam m 25,95 gam D 22,2gam m 27,2gam 10 Cho 1,04 gam hn hp kim loi tan hon ton H 2SO4 loóng d thy cú 0,672 lớt khớ thoỏt iu kin tiờu chun Khi lng hn hp mui sunfat khan thu c l A 3,92 gam B 1,68 gam C 0,46 gam D 2,08 gam 11 lm sch mui n cú ln cht CaCl2, MgCl2, BaCl2 cn dựng hoỏ cht l A dd Na2CO3, dd HCl B dd NaOH, dd H2SO4 C dd Na2SO4, dd HCl D dd AgNO3, dd NaOH 12 phõn bit dung dch NaOH, HCl, H2SO4 ch cn dựng mt thuc th l A Na2CO3 B Al C BaCO3 D qu tớm 13 Mt dung dch hn hp cha a mol NaAlO v a mol NaOH tỏc dng vi mt dung dch cha b mol HCl iu kin thu c kt ta sau phn ng l A a = b B a = 2b C b = 5a D a < b < 5a 14 Cho 11,1 gam hn hp hai mui sunfớt trung ho ca kim loi kim hai chu kỡ liờn tip tan hon ton dung dch HCl d thu c 2,24 lớt khớ SO2 (ktc) Hai kim loi ú l A Li, Na B Na, K C K, Cs D Na, Cs 15 Khi phn ng vi Fe2+ mụi trng axit, lớ no sau õy khin MnO mt mu? A MnO4 to phc vi Fe2+ B MnO4 b kh cho ti Mn2+ khụng mu C MnO4- b oxi hoỏ D MnO4 khụng mu dung dch axit 16 Cho mt gam bt st tip xỳc vi oxi mt thi gian thu c 1,24 gam hn hp Fe 2O3 v Fe d Lng Fe d l A 0,036 gam B 0,44 gam C 0,87 gam D 1,62 gam 17 kh hon ton 6,4 gam mt oxớt kim loi cn 0,12 mol khớ H2 Mt khỏc ly lng kim loi to thnh cho tan hon ton dung dch H2SO4 loóng thỡ thu c 0,08 mol H2 Cụng thc oxit kim loi ú l A CuO B Al2O3 C Fe3O4 D Fe2O3 18 t chỏy hon ton 8,8 gam FeS v 12 gam FeS thu c khớ Cho khớ ny sc vo V ml dung dch NaOH 25% (d=1,28 g/ml) c mui trung hũa Giỏ tr ti thiu ca V l A 50 ml B 75 ml C 100 ml D 120 ml 19 Dung dch X cha NaOH 0,2M v Ca(OH)2 0,1M Sc 7,84 lớt khớ CO2 (ktc) vo lớt dung dch X thỡ lng kt ta thu c l A 15 gam B gam C 10 gam D gam 20 Cho cỏc phn ng: C6H5NH3Cl + (CH3)2NH (CH3)2NH2Cl + C6H5NH2 (CH3)2NH2Cl + NH3 NH4Cl + (CH3)2NH Trong ú phn ng t xy l A (I) B (II) C (I), (II) (I) (II) D khụng cú 21 Cho a mol Cu kim loi tan hon ton 120 ml dung dch X gm HNO 1M v H2SO4 0,5M (loóng) thu c V lớt khớ NO nht (ktc) Tớnh V? A 14,933a lớt B 12,32a lớt C 18,02a lớt D kt qu khỏc 22 Ho tan ht m gam hn hp gm FeO, Fe 2O3 v Fe3O4 bng HNO3 c, núng thu c 4,48 lớt khớ NO (ktc) Cụ cn dung dch sau phn ng c 145,2 gam mui khan Giỏ tr ca m l A 35,7 gam B 46,4 gam C 15,8 gam D 77,7 gam 23 24 25 S ng phõn cú cụng thc phõn t C4H10O l A B C D Hai anken cú cụng thc phõn t C3H6 v C4H8 phn ng vi HBr thu c sn phm, vy anken ú l A xiclopropan v but-1-en B propen v but-1-en C propen v but-2-en D propen v metyl propen un núng mt ru X vi H2SO4 c lm xỳc tỏc nhit thớch hp thu c mt olefin nht Cụng thc tng quỏt ca X l (vi n > 0, nguyờn) A CnH2n+1OH B ROH C CnH2n+1CH2OH D CnH2n+2O 26 un núng hn hp etanol v propanol-2 vi axit oxalic cú xỳc tỏc H 2SO4 m c cú th thu c ti a bao nhiờu este hu c a chc? A B C D 27 Khi t chỏy mt ru n chc (X) thu c CO2 v hi nc theo t l th tớch VCO2 : VH 2O A C4H10O2 B C3H6O C C4H10O D C5H12O 28 Cụng thc n gin nht ca anehit no, mch h X l C 2H3O X cú cụng thc phõn t l A C2H3O B C4H6O2 C C8H12O4 D C12H18O6 29 Cho s phn ng sau: Propilen Tờn gi ca Y l A propanol o + Cl2 , 500 C B propenol X + NaOH C axeton Y o + CuO, t = : Cụng thc phõn t ca X l propenal D axit propionic 30 Trong phn ng este hoỏ gia ru v axit hu c, yu t khụng lm cõn bng ca phn ng este hoỏ chuyn dch theo chiu thun l A cho ru d hay axit d B dựng cht hỳt nc tỏch nc C chng ct tỏch este D s dng axit mnh lm xỳc tỏc 31 Cho cht Y (C4H6O2) tỏc dng vi dung dch NaOH thu c sn phm u cú kh nng phn ng gng Cụng thc cu to ca Y l A CH3COOCH=CH2 B HCOOCH2CH=CH2 C HCOOCH=CHCH3 D HCOOC(CH3)=CH2 32 33 t chỏy hp cht hu c X thu c CO v H2O Khi lng phõn t ca X l 74 vC X tỏc dng c vi Na, dung dch NaOH, dung dch AgNO3/NH3 Cụng thc phõn t ca X l A C4H10O B C3H6O2 C C2H2O3 D C6H6 Cho s bin hoỏ (gi s cỏc phn ng u hon ton): Triolein Tờn ca X2 l A axit oleic 34 o + NaOH đ , t B axit panmitic X + HCl C axit stearic X1 o + H , Ni, t X2 D axit linoleic Cho phn ng: CH2CH2Br + NaOH (loãng) Br Cụng thc cu to ca Y l: H2O to Y + NaBr CH2CH2OH CH2CH2Br A B Br 35 CH2CH2OH C OH CH2CH2OH D OH ONa mol aminoaxit Y tỏc dng va vi mol HCl 0,5 mol Y tỏc dng va vi mol NaOH Phõn t ca Y l 147 vC Cụng thc phõn t ca Y l A C5H9NO4 B C4H7N2O4 C C5H7NO4 D C7H10O4N2 36 Tớnh cht c trng ca saccaroz l tham gia phn ng hiro hoỏ; cht rn kt tinh, khụng mu; thu phõn to glucoz v fructoz; tham gia phn ng gng; phn ng vi ng (II) hiroxit Nhng tớnh cht no ỳng? A 3, 4, B 1, 2, 3, 37 C 1, 2, 3, D 2, 3, Fructoz khụng phn ng vi cht no sau õy? A Dung dch Br2 B H2 / Ni, to C Cu(OH)2 dung dch NaOH D Dung dch AgNO3 NH3 38 Khi clo hoỏ PVC thu c mt loi t clorin cha 66,6% clo theo lng S mt xớch trung bỡnh ca PVC tỏc dng vi mt phõn t clo l A 1, 39 B C D 2,5 Chn phn ng sai? A Phenol + dung dch brom Axit picric + axit bromhiric B Ru benzylic + ng (II) oxit C Propanol-2 + ng (II) oxit o t o t Anehit benzoic + ng + nc Axeton + ng + nc D Etilen glycol + ng (II) hiroxit Dung dch mu xanh thm + nc 40 41 t chỏy hon ton 2,6 gam hn hp (X) gm anehit no, mch h cú cựng s nguyờn t cỏcbon phõn t thu c 0,12 mol CO v 0,1 mol H2O Cụng thc phõn t ca anehit l A C4H8O, C4H6O2 B C3H6O, C3H4O2 C C5H10O, C5H8O2 D C4H6O2, C4H4O3 nhn bit l mt nhón: phenol, stiren, ru benzylic, ngi ta dựng mt thuc th nht l A natri B nc brom C dd NaOH D Ca(OH)2 42 t chỏy hon ton m gam hn hp X gm hai anehit no, n chc, mch h c 0,4 mol CO Mt khỏc hiro hoỏ hon ton cựng lng hn hp X trờn cn 0,2 mol H2 thu c hn hp hai ru t chỏy hon ton lng hn hp hai ru trờn thỡ s mol H 2O thu c l A 0,4 mol B 0,6 mol C 0,8 mol D 0,3 mol 43 t chỏy hon ton hn hp gm ankan v anken Cho sn phm chỏy ln lt i qua bỡnh ng P 2O5 d v bỡnh ng KOH rn, d, sau thớ nghim thy lng bỡnh tng 4,14 gam bỡnh tng 6,16 gam S mol ankan cú hn hp l A 0,06 mol B 0,09 mol C 0,03 mol D 0,045 mol 44 t chỏy hon ton m gam hn hp ru ng ng liờn tip thu c 0,66 gam CO v 0,45 gam H2O Nu tin hnh oxi húa m gam hn hp ru trờn bng CuO, sn phm to thnh cho tỏc dng vi AgNO / NH3 d s thu c lng kt ta Ag l A 10,8 gam B 3,24 gam C 2,16 gam D 1,62 gam 45 Kt lun no sau õy khụng ỳng? A Cỏc thit b mỏy múc bng kim loi tip xỳc vi hi nc nhit cao cú kh nng b n mũn hoỏ hc B p tm km vo mn tu thu lm bng thộp (phn ngõm di nc) thỡ v tu thu c bo v C vt bng thộp ngoi khụng khớ m thỡ vt ú b n mũn in hoỏ D hp lm bng st tõy (st thic) b xõy xỏt, khụng khớ m b n mũn in hoỏ thỡ thic s b n mũn trc 46 47 48 lm sch CO2 b ln khớ HCl v hi nc thỡ cho hn hp ln lt i qua cỏc bỡnh ng (lng d) A dd NaOH v dd H2SO4 B dd Na2CO3 v P2O5 C dd H2SO4 v dd KOH D dd NaHCO3 v P2O5 kh hon ton 3,04 gam hn hp Y (gm FeO, Fe 3O4, Fe2O3) thỡ cn 0,05 mol H2 Mt khỏc ho tan hon ton 3,04 gam hn hp Y dung dch H2SO4 c thỡ thu c th tớch khớ SO2 (sn phm kh nht) iu kin tiờu chun l A 224 ml B 448 ml C 336 ml D 112 ml t chỏy hon ton 5,8 gam mt axit cacboxylic mch thng thu c 0,2 mol CO v 0,1mol H2O Cụng thc phõn t ca axit ú l A C2H4O2 B C3H4O4 C C4H4O4 D C6H6O6 49 Mi ankan cú cụng thc dóy sau s tn ti mt ng phõn tỏc dng vi clo theo t l : to monocloroankan nht? A C2H6; C3H8; C4H10; C6H14 B C2H6; C5H12; C8H18 C C3H8; C6H14; C4H10 D C2H6; C5H12; C6H14 50 Cho s chuyn hoỏ sau: C2H4 Br2 X1 + NaOH CuO Cu (OH )2 + NaOH X3 + H 2SO4 HOOCCOOH X2 X3, X4 ln lt l A OHCCH2OH, NaOOCCH2OH B OHCCHO, CuC2O4 C OHCCHO, NaOOCCOONa D HOCH2CH2OH, OHCCHO P N 5: D A D B C A B B C 10 A 11 A 12 C 13 D 14 A 15 B 16 B 17 D 18 B 19 B 20 A 21 A 22 B 23 C 24 C 25 C 26 B 27 C 28 B 29 B 30 D 31 C 32 C 33 C 34 A 35 A 36 D 37 A 38 C 39 A 40 B 41 B 42 B 43 B 44 B 45 D 46 D 47 A 48 C 49 B 50 C X4