Bai Tap Hoa Hoc 2013 Hay Kho

7/27/2019 Bai Tap Hoa Hoc 2013 Hay Kho

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LTDH 2014 Nguyn Quc Oanh Duy Xuyn, Qung Nam

BI TP HA HC HAY 2013.

Cu 1 Cho m (g) tinh th hn hp gm NaBr; NaI tc dng va vi H2SO4 iu kin thchhp, thu c hn hp kh X (iu kin thng). iu kin thng hn hp X tc dng va vinhau to thnh 9,6g cht rn mu vng v mt cht lng khng lm i mu qu tm. Gi tr m (g) l

A.260,6 B.240,00 C.404,80 D.50,60

Cu 2 Hn hp X gm M2CO3, MH C O3, M C l (M l kim loi kim). Cho 32,65 g X tc dng va vi dung dch HCl thu c dung dch Y v c 17,6 g CO2 thot ra. Dung dch Y tc dng vi dungdch AgNO3 d thu c 100,45g kt ta. Tnh phn trm khi lng MHCO3 trong X l ?

A.0,4533 B.0,1302 C. 0,3453 D.0,4165Cu 3 Ha tan hon ton 3,79 gam hn hp X gm Al v Zn (c t l s mol tng ng l 2:5 ) vodung dch cha 0,394 mol HNO3 thu c dung dch Y v V ml (ktc) kh N2 duy nht. phn nght vi cc cht trong Y thu c dung dch trong sut cn 3,88 lt dung dch NaOH 0,125 (M) . Gitr ca V l ?

A.352,8 (l) B.268,8 (l) C.112 (l) D.358,4 (l)Cu 4 in phn vi in cc tr dung dch cha 0,2 mol AgNO3 vi cng dng in 2,68 (A),

trong thi gian t gi thu c dung dch X. Cho 1,68 g bt F e vo X thy thot ra kh NO (sn phmkh duy nht) v sau cc phn ng xy ra hon ton thu c 22,7g cht rn . Gi tr ca t l ?

A.0,25 (h) B.2 (h) C.1 (h) D.0,5 (h)Cu 5 Cho 33,5 gam hn hp A gm F e3O4, F e(N O3)3, Cu tan hon ton trong dung dch cha0,414 mol H2SO4 (long) th thu c kh NO sn phm kh duy nht v dung dch B ch cha 2 mui.Cho bt Cu vo dung dch B thy phn ng khng xy ra. C cn B thu c m gam mui khan. Gitr ca m l ?

A.65,976 B.64,400 C.61,520 D.75,922Cu 6 Hp th ht 3,584 lt CO2 (ktc) vo dung dch cha x mol KOH v y mol K2CO3 thu c

200 ml dung dch X . Ly 100 ml X cho t t vo 300 ml dung dch HCl 0,5 (M) thu c 2,688 lt kh(ktc). Mt khc,cho 100 ml X tc dng vi dung dch Ca(OH)2 d thu c 16 g kt ta. T l x : yA.3:1 B.2:3 C.1:3 D.1:2

Cu 7 Chia dung dch Ca(OH)2 a (M) thnh ba phn bng nhau:Phn I: Hp th V (lt) CO2 vo th thu c m1 gam kt ta.Phn II: Hp th V+2,688 (lt) CO2 vo th thu c m2 gam kt ta.Phn III: Hp th V+x (lt) CO2 vo th thu c lng kt ta cc i.

Cc phn ng xy ra hon ton, cc th tch kh o ktc. Bitm1m2

= 4 v m1 bng8

13khi lng kt

ta cc i. Gi tr ca x l ?

A.0,672 B.0,840 C.2,184 D.1,344Cu 8 t chy hon ton 3,42 g hn hp gm axit acrylic, vinyl axetat , metyl acrylat v axit oleic,ri hp th ton b sn phm chy vo dung dch Ca(OH)2 d , sau phn ng thu c 18 gam ktta v dd X. Khi lng X so vi khi lng Ca(OH)2 ban u thay i nh th no?

A.Tng 7,92 g B.Gim 7,38g C.Gim 7,74 g D.Tng 2,70gCu 9 Ha tan ht 10,24 gam Cu bng 200 ml dung dch HNO3 3 (M) thu c dung dch A. Thm400 ml dung dch NaOH vo dung dch A. Lc kt ta , c cn dung dch ri nung cht rn n khilng khng i thu c 26,44 gam cht rn. S mol HN O3 phn ng vi Cu l ?

A.0,568 mol B.0,48 mol C.0,4 mol D.0,56 molCu 10 Ha tan ht 2,72 g hn hp X gm F eS2, FeS, Fe, CuS, Cu trong 500 ml dung dch HNO31 (M), sau phn ng thu c dung dch Y v 0,07 mol 1 kh thot ra. Cho Y tc dng vi lng ddung dch BaCl2 thu c 4,66 g kt ta. Mt khc, Y c th ha tan ti a m g Cu. Bit trong ccqa trnh trn, sn phm kh duy nht ca N5+ l NO. Gi tr ca m l ?

A.9,76 B.5,92 C.9,12 D.4,96

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Cu 11 Hn hp X gm 1 anehit v 1 hirocacbon mch h (2 cht hn km nhau 1 nguyn tcacbon). t chy hon ton 0,4 mol hn hp X thu c 1,3 mol CO2 v 0,4 mol H2O. Nu cho 31,8gam hn hp X tc dng vi dung dch AgNO3/NH3 th khi lng kt ta thu c ti a l ?

A.209,25 gam B.136,80 gam C.224,10 gam. D.216,45 gam.Cu 12 Hn hp X gm 2 anehit n chc. Cho 7,4 gam hn hp X tc dng hon ton vi AgNO3d trong dung dch NH3 thu c 77,92 gam kt ta. Mt khc cho X tc dng ht vi H2 (xc tc,

nhit ) thu c hn hp Y. Cho Y tc dng vi Kd thu c 2,016 lt H2 (ktc). Phn trm khilng ca 2 anehit trong hn hp X l ?A. 60,81 % 39,19 % B.43,24 % 56,76 % C.40,54 % 59,66 % D.48,65 % 51,35 %

Cu 13 Cho X gm Na, Al vo nc c dung dch Y cha 2 cht tan c nng bng nhau vthot ra V lt kh H2.Thm 150 ml dung dch H2SO4 1 M vo dung dch Y thu c 7,8 g kt ta vdung dch sau phn ng i mu qu tm thnh xanh. Gi tr ca V l ?

A.8,96 B.7,84 C.13,44 D.11,2Cu 14 in phn c mng ngn vi in cc tr 250 ml dung dch hn hp CuSO4 a M v NaCl1.5 M, vi cng dng in 5 A trong 96,5 pht. Dung dch to thnh b gim so vi ban u l

17,15 g. Gi tr ca a l ?A.0,5 M B.0,4 M C.0,474 M D.0,6 MCu 15 Cho a gam cht hu c X cha C, H, O tc dng vi dung dch NaOHva , sau chngkh th phn bay hi ch c 1,8 gam nc, phn cht rn khan cn li cha hai mui ca natri c khilng 11,8 gam. Nung hai mui ny trong oxi d, sau khi phn ng hon ton, ta thu c 7,95 gamNa2CO3, 7,28 lt kh CO2 (ktc) v 3,15 gam nc. Cng thc n gin nht ca X l ?

A.C8H8O3 B.C8H8O2 C.C6H6O2 D.C7H8O3Cu 16 un nng m gam hn hp X gm cc cht c cng mt loi nhm chc vi 700ml dung dchNaOH 1 M thu c dung dch Y cha mui ca mt axit hu c n chc v 16 gam hi Z gm ccancol. Cho ton b Z tc dng vi Na d , thu c 5,6 lt kh H2 (ktc).C cn dung dch Y , nung

nng cht rn thu c vi CaO cho ti khi phn ng xy ra hon ton thu c 3,2 gam mt chtkh .Gi tr m l?

A.37,0 B.45,0 C.32,4 D.12,4Cu 17 Ha tan hon ton m gam hn hp Na v Al (t mol 1:1) vo H2O d c dung dch X. Chot t 200 ml dung dch HCl 1 M vo X th thu c t gam kt ta. Nu cho t t 300 ml HCl 1M vodung dch X vo nc thu c 1,25t gam kt ta. Gi tr ca m l ?

A.8,76 B.9,25 C.12,6 D.7,92Cu 18 X l hn hp gm propan; xiclopropan; butan v xiclobutan. t chy m gam X thu c63,8 gam CO2 v 28,8 g H2O .Thm va H2 v m gam X ri nung nng vi N i thu c hn hp

Y c t khi so vi H2 l 26,375 .T khi hi ca X so vi H2 l:A.23,95 B.25,75 C.24,52 D.22,89Cu 19 Hn hp X gm Al, Fe2O3, F e3O4, CuO trong oxi chim 25,39 % phn khi lng hnhp. Cho m gam hn hp X tc dng vi 8,96 lt CO (iu kin tiu chun) sau 1 thi gian thu ccht rn Y v hn hp kh Z c t khi so vi hiro l 19. Cho cht rn Y tc dng vi dung dch HNO3long d thu c dung dch T v 7,168 lt NO (iu kin tiu chun, sn phm kh duy nht). Ccn dung dch T thu c 3,456m gam mui khan. Gi tr ca m l

A.41,13 B.35,19 C.38,43 D.40,03Cu 20 Hn hp X gm 1 mol amin no mch h A v 2 mol aminoaxit no mch h B tc dng va vi 4 mol HCl hay 4 mol NaOH. t a gam hn hp X cn 46,368 lt O2 (ktc) thu c 8,064 lt

kh N2 (ktc). Nu cho a gam hn hp trn tc dng vi dung dch HCl d thu c bao nhiu gammui?

A.75,52 B.84,96 C.89,68 D.80,24



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Cu 21 Hn hp X gm F e2O3 v Cu. Cho m gam hn hp X tc dng vi dung dch HCl va thu c dung dch cha 122,76 gam cht tan.Cho m gam hn hp X tc dng vi dung dch H2SO4long va thu c dung dch Y cha 3 cht tan vi t l s mol 1:2:3. Dung dch Y lm mt muti a bao nhiu gam KMnO4 trong mi trng axit sunfuric?

A.6,004 B.5,846 C.5,688 D.6,162Cu 22 Dung dch X cha 14,6 gam HCl v 22,56gam Cu(NO3)2. Thm m gam bt st vo dung

dch X , sau phn ng xy ra hon ton thu c hn hp kim loi c khi lng l 0,535m gam v chto kh NO l sn phm kh duy nht. Gi tr ca m l:A.9,28 B.14,88 C.16 D.1,92

Cu 23 Khi nung butan vi xc tc thch hp n khi phn ng xy ra hon ton thu c hn hpT gm CH4, C3H6, C2H4, C4H8, H2, C4H6. t chy hon ton hn hp T thu c 8,96 lt CO2(ktc) v 9 gam H2O. Mt khc hn hp T lm mt mu va ht 19,2g Br2 trong dung dch ncBrom. S mol ca C4H6 chim trong T l:

A.16,67 % B.22,22 % C.9,091 % D.8,333 %Cu 24 Ln men m gam glucozo vi hiu sut by mi phn trm ri hp th hon ton kh thotra vo 4 lt dung dch NaOH 0,5 M (d = 1,05 g/ml) thu c dung dch cha 2 mui vi tng nng l 3,211. Gi tr ca m l:

A.192,9 B.135 C.270 D.384,7Cu 25 Cho dung dch X cha x mol FeCl2 v x mol NaCl vo dung dch cha 3,8x mol AgNO3 thuc 61,176 g kt ta v dung dch Y. Khi lng cht tan trong dung dch Y l:

A.38,684 B.40,439 C.38,604 D.38,019Cu 26 Cho 13,92 g hn hp X gm FeO, Fe3O4, F e2O3 trong nFeO = nFe2O3 tc dng va dung dch H2SO4 long c dung dch X. Sc kh Clo vo dung dch X n khi phn ng xong cdung dch Y, c cn Y c m gam mui khan .Gi tr m l:

A.32,15 B.33,33 C.35,25 D.38,66

Cu 27 Cho m gam hn hp X gm F e2O3; CuO; MgO; F eO; F e3O4 vo dd H2SO4 c,nng thuc 3,36 lt SO2 (ktc) .Mt khc nung m gam hh X vi CO d thu c cht rn Y v hn hp khZ.Cho Z vo dd Ca(OH)2 d thu c 35g kt ta.Cho cht rn Y vo dung dch HNO3 c nng ,dthu c V lt kh NO2 (ktc) l sn phm kh duy nht. Gi tr ca V l:

A.11,2 B.22,4 C.44,8 D.33,6Cu 28 X l qung hematit cha 60 % F e2O3. Y l qung manhetit cha 69,6 % F e3O4. Cn trnX, Y theo t l khi lng nh th no c qung Z m t 1 tn qung Z c th iu ch c 0,5tn gang cha 96 % st ?

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

Cu 29 Gi s gang cng nh thp ch l hp kim ca F e vi C v st ph liu ch gm F e, C vF e2O3. Coi phn ng trong l luyn thp Matanh l: F e2O3 + 3C 2F e + 3CO Khi lng St phliu ( 40 % F e2O3; 1 % C ) Cn dng khi luyn vi 4 tn gang 5 % C trong l luyn thp Matanh,nhm thu c loi thp 0,01 C

A.1,82 tn B.2,15 tn C.1,5 tn D2,93 tnCu 30 Hn hp X gm Mg (0,1 mol), Al (0,04 mol), Zn (0,15 mol). Cho X tc dng vi dung dchHN O3, sau phn ng thy khi lng dung dch tng 13,23 gam. S mol HNO3 tham gia phn ng l:

A.0,62 mol. B.1,24 mol. C.0,6975 mol. D.0,775 mol.Cu 31 E l este 2 ln este ca axit glutamic v 2 ancol ng ng no n chc mch h k tip nhauc phn trm khi lng ca cacbon l 0,553. Cho 54,25 gam E tc dng vi 800 ml dung dch NaOH1 M un nng, c cn dung dch sau phn ng thu c m gam cht rn. Gi tr ca m l ?

A.67,75 gam B.59,75 gam C.43,75 gam D.47,75 gam



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Cu 32 Hp th va hn hp etilen v propilen vo dung dch KMnO4 31,6 % lnh thu cdung dch X cha 2 cht tan l etilenglicol v propan-1,2-iol v kt ta Y. Trong dung dch X nng A.15,86 % B.14,99 % C.15,12 % D.12,88 %Cu 33 : Hn hp X gm 2 kim loi Fe v Cu c t l khi lng tng ng l 7:8. Cho 1,2 gam Xvo 100 ml dung dch HNO3 0,61M mt thi gian thu c 0,16 gam kim loi khng tan, dung dch Ycha m gam cht tan v thot ra V lt kh NO (sn phm kh duy nht, ktc). Gi tr ca V l:

A.0,4480 B.0,3416 C.0,2613 D.0,3360Cu 34 X l hp cht hu c n chc C, H, O . Cho 1 lng cht X tc dng hon ton vi 500ml dung dch KOH 2,4 M ri c cn c 105 g rn khan Y v m g ancol. Oxi ha m g ancol bng oxic xc tc c hn hp Z, chia Z thnh 3 phn bng nhau: Phn 1: tc dng vi AgNO3/NH3 d thu c 21,6 g Ag Phn 2: tc dng vi NaHCO3 d thu c 2, 24 lt kh (ktc) Phn 3: tc dng vi Na (va ), thu c 4,48 lt kh (ktc) v 25,8 g rn khan.Xc nh cng thc phn t ca X. Bit ancol un vi axit sunfuric c nng 170oC to olefin.

A.C6H12O2 B.C3H6O2 C.C4H8O2 D.C5H10O2Cu 35 Cho 3,84 gam Cu tc dng vi 100 ml dung dch hn hp HNO3 0,6 M v H2SO4 0,6 M sn

phm kh duy nht l kh N O. S gam mui khan thu c khi c cn dung dch sau phn ng l:A.8,84 B.7,90 C.9,74 D.10,08

Cu 36 Ho tan ht m gam Al2(SO4)3 vo nc c dung dch X. Cho 320 ml dung dch KOH1 M vo X, thu c 3a gam kt ta. Mc khc, nu cho 400 ml dung dch KOH 1 M vo X, thu ca gam kt ta. Cc phn ng xy ra hon ton, gi tr ca m l

A.37,62 B.15,39 C.18,81 D.20,52Cu 37 X l hn hp cc mui Cu(NO3)2, Zn(N O3)2, F e(N O3)2, Al(N O3)3 c mol bng nhau.Trong O chim 9,64 % v khi lng. Ha tan 90 gam X vo nc ,thm dung dich NH3 d, ly ktta thu c em nung ngoi khng kh n khi lng khng i m gam oxit. Gi tr ca m l

A.4,46 B.3,92 C.2,62 D.4,68Cu 38 in phn 500 ml dung dch cha hn hp gm CuCl2 0,06 M v F e2(SO4)3 0,03 M vi incc tr, c mng ngn vi cng dng in l 5 A trong thi gian 41 pht 49 giy th dng inphn . Tnh pH dung dch sau in phn v gim khi lng ca dung dch. Gi s V dung dchthay i khng ng k.

A.1,15; 5,92 B.1,15; 5,73 C.0,85; 5,92 D.0,85; 5,73Cu 39 Hn hp M gm 5 hp cht hu c thun chc (mch h) X, Y, Z, T, G lp thnh cp scng c cng sai l 16. Tng khi lng phn t ca chng l 360. Cho M tc dng AgNO3/NH3 dthu c kt ta. Bit rng X l mt hydrocacbon. S cng thc cu to ca cc hp cht trong Mtha mn l.

A.9 B.10 C.12 D.11Cu 40 Ha tan ht m gam Al2(SO4)3 vo H2O thu c 300 ml dung dch X. Cho 150 ml dung dchX tc dng vi dung dch cha 0,3 mol NaOH, kt thc cc phn ng thu c 2a gam kt ta. Mtkhc, cho 150 ml dung dch X cn li phn ng vi dung dch cha 0,55 mol KOH, kt thc cc phnng sinh ra a gam kt ta. Gi tr ca m v a ln lt l

A.51,30 v 3,9 B.51,30 v 7,8. C.25,65 v 3,9. D.102,60 v 3,9.Cu 41 Hn hp A gm CH4, C2H4, C3H4. Nu cho 26,8 gam hn hp X tc dng vi dung dchAgNO3/NH3 d th thu c 29,4 gam kt ta. Nu cho 8,4 lt hn hp X (ktc) tc dng vi dungdch brom th thy c 54 gam brom phn ng. Th tch CH4 trong hn hp X l:

A.40 % B.25 % C.35 % D.30 %Cu 42 Khi ng trng hp isopren vi acrilonitrin ta thu c polime B. Khi t chy m gam Bbng oxi (va ) thu c hn hp cha 58,33 % CO2 v th tch.T l mt xch isopren v acrilonitrintrong polime B tng ng l:

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



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Cu 43 Hp th ht 4,48 lt buta-1,3-ien (ktc) vo 250 ml dd Brom1M, iu kin thch hp nkhi brom mt mu hon ton thu c hn hp lng X (ch cha dn xut brom), trong khi lngsn phm cng 1 - 4 gp 4 ln khi lng sn phm cng 1 - 2. Khi lng sn phm cng 1 - 2 trongX l:

A.6,42 gam B.12,84 gam C.1,605 gam D.16,05 gamCu 44 Cho glixerol tc dng vi hn hp 3 axit C17H35COOH, C17H33COOH v C15H31COOH.

S loi trieste c th c to thnh cha 2 gc axit trong s 3 axit bo trn l:A.9 B.6 C.12 D.10Cu 45 Hn hp X gm HCOOH v CH3COOH ( t l mol 1:1). Hn hp Y gm CH3OH vC2H5OH ( t l mol 3:2). Ly 11,13 gam hn hp X tc dng vi 7,52 gam hn hp Y c xc tc H2SO4c. Khi lng ca este thu c l (bit hiu sut cc phn ng este u 75 %)

A.11,4345 gam B.10,89 gam C.14,52 gam D.11,616 gamCu 46 Tin hnh in phn 500 ml dung dch Cu(NO3)2 0,1 M (in cc tr) vi cng I=19,3A sau thi gian 400 giy ngt dng in yn bnh in phn phn ng xy ra hon ton (to khNO) thu c dung dch X. Khi lng ca X gim bao nhiu gam so vi dung dch ban u:

A.1,88 gam B.1,28 gam C.3,80 gam D.1,24 gamCu 47 Ly 10,7 gam mui MCl tc dng hon ton vi 250 ml dung dch AgNO3 1 M th thu cdung dch A v 28,7 gam kt ta. C cn A thu c hn hp mui X. Nhit phn hon ton X th thuc m gam cht rn. Xc nh m:

A.5,4 gam B.9,0 gam C.18,2 gam D.10,6 gamCu 48 Tripeptit X c cng thc sau C8H15O4N3. Thy phn hon ton 0,1 mol X trong 400 ml dungdch NaOH 1 M. Khi lng cht rn thu c khi c cn dung dch sau phn ng l:

A.31,9 gam B.35,9 gam C.28,6 gam D.22,2 gamCu 49 Hn hp X c 2 hirocacbon ng ng lin tip, c t khi hi so vi H2 bng 15,8. Ly

6,32 gam X li vo 200 gam dung dch cha xc tc thch hp th thu c dung dch Z v thy thotra 2,688 lt kh kh Y iu kin tiu chun c t khi hi so vi H2 bng 16,5. Bit rng dung dch Zcha anehit vi nng C %. (Bit phn ng ch xy ra theo hng to thnh sn phm chnh). Gitr ca C l:

A.1,043 % B.1,305 % C.1,407 % D.1,208 %Cu 50 Nhit phn hon ton hn hp A gm F e(N O3)3 v Cu(N O3)2 thu c hn hp kh X vcht rn Y. Hp th ht X vo nc c dung dch Z, kh hon ton Y bng CO d c cht rnT. T tan va ht trong dung dch Z (to kh NO duy nht). % v khi lng F e(NO3)3 trong A:

A.39,16 % B.56,28 % C.72,02 % D.63,19 %

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Bai Tap Hoa Hoc 2013 Hay Kho