De thi thu Dai hoc mon hoa hoc khoi AB

Tags: HCl &lt, HBr &lt, HF &lt, dong phan cau tao, Phan Ung Trang Bac, phan ung hoa hoc, chat huu co, mon hoa hoc, co kha nang, mot phan ung, dung dich, thu duoc, hon hop, de thi, thi thu, cau


 Moi cac ban tham khao de thi thu mon Hoa hoc khoi A - B!

» De Thi Thu Dai Hoc Khoi A 2012

» De Thi Thu Dai Hoc Khoi B 2012

» De Thi Thu Dai Hoc Khoi C 2012

» De Thi Thu Dai Hoc Khoi D 2012

De thi thu Dai hoc mon hoa hoc khoi A-B

Cho: H=1;C=12;O=16;N=14;S=32;Cl=35,5;Na=23;K=39;Al=27;Fe=56;Cu=64;Zn=65;Ca=40;Br=80;      Mg=24;Li=7;Cr=52;Mn=55;Ag=108;I=127;Cs=133;Ba=137;Rb=85,5

I.Phan chung cho tat ca thi sinh(40 cau,tu cau 1 den cau 40)

Cau 1 .Cho cac polime:(1)polietilen,(2)poli(metylmetacrilat),(3)polibutadien,(4)polisitiren,(5) poli(vynilaxetat) va (6) to nilon-6,6.Trong cac polime tren cac polime bi thuy phan trong dung dich axit va trong dung dich kiem la:

A.(2),(3),(6)                    B.(2),(5),(6)                            C.(1),(4),(5)                     D.(1),(2),(5)

Cau 2 .De phan ung het voi mot luong hon hop gom hai chat huu co don chuc X va Y (MX < MY) can vua het 300ml dung dich NaOH 1M.Sau phan ung xay ra hoan toan thu duoc 28,2g mot muoi va m gam mot ancol.Dot chay hoan toan m gam ancol thu duoc 4,48 l CO2(dktc) va 5,4g nuoc.Ten goi cua Y la:
    A.etylfomat                     B.etylacrylat                           C.etylaxetat                      D.etylpropionat

Cau 3 .Hai chat huu co X, Y co thanh phan phan tu gom C,H,O (MX <MY<82 ).Ca X va Y deu co kha nang tham gia phan ung trang bac va deu phan ung duoc voi dung dich NaHCO3 sinh ra khi CO2.Ti khoi cua hoi cua Y so voi X co gia tri la

    A.1,47                              B.1,61                                    C.1,57                              D. 1,91

Cau 4 .So ancol don chuc dong phan cau tao cua nhau ma khi cho 4,4 gam mot trong cac dong phan do tac dung voi Natri du thi thoat ra 0,05 gam Hidro la

    A.2                                   B.8                                         C.4                                   D.17

Cau 5 .Cho cac chat: Saccarozo,Glucozo,Fructozo,Etylfomat,Axit fomic va Andehitaxetic.Trong cac chat tren,so chat vua co kha nang tham gia phan ung trang bac vua co kha nang phan ung voi Cu(OH)2 o dieu kien thuong la

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

Cau 6 .Dien phan 200ml dung dich NaCl 2M, dien cuc tro,vach ngan (d=1,1g/ml) cho den khi o catot thoat ra 20,9 lit khi (dktc) thi dung lai.Nong do phan tram cua dung dich sau khi dien phan la:

    A.34,84%                         B.9,32%                                 C.30,85%                        D.8,32%

Cau 7 .Tron m gam hon hop gom CuSO4 va CuSO4.5HO trong do oxi chiem 52,336% ve khoi luong voi 250 gam dung dich CuSO4 8% thu duoc dung dich CuSO4 12%.Gia tri cua m la:

    A.13,19                            B.15,93                                  C.14,68                            D.16,48

Cau 8 .Cho 0,02 mol mot tripeptit X (Ala-Gly-Glu) phan ung vua het voi luong cuc dai la V ml dung dich NaOH 0,5M.Gia tri cua V la

    A.120ml                           B.160ml                                  C.140ml                          D.180ml

Cau 9.Tong so cac nguyen to hoa hoc trong chu ky ba cua Bang He Thong Tuan Hoan MenDeLeEp la

A .8                                   B .18                                  C .32                            D . 2

Cau 10. Day gom cac nguyen to duoc sap xep theo chieu tang dan tinh khu la (tu trai qua phai )

A Mg , Al, Cu,Fe              B . Mg,Na, K, Rb.             C. Mg,Na, K,Li              D .Na,Mg, K,Li

Cau 11. Khi cho isopentan tac dung voi brom theo ti le mol 1:1, san pham chinh thu duoc la

A .1,3- dibrompentan                                                  B . 2,3-dibrompentan        

C. 2-metyl-2-brompentan                                           D. 2-brom-2metylbutan 

Cau 12.  Khi cho isopentan tac dung voi clo theo ti le mol1:1, so dan xuat monoclo toi da tao ra la

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

Cau 13. Dot chay hoan toan ankanol X toan bo san pham chay duoc hap thu vao dung dich nuoc voi trong du thi tao ra 4gam ket tua,dong thoi khoi luong dung dich nuoc voi trong giam 1,376 gam. So dong phan cau tao cua X la

A.8                                      B .2                                 C . 4                                D . 17

Cau 14. Muc do phan cuc cua lien hoa hoc trong cac phan tu duoc sap xep theo thu tu giam dan tu trai qua phai la:

A.HBr,HI,HCl                 B.HI,HBr,HCl                        C.HCl,HBr,HI                 D.HI,HCl,HBr 

Cau 15.  Co cac chat: etylbromua, natriaxetat, axitetanoic,etilen va ancoletylic .So cap chat (trong so cac chat da cho) chi mot phan ung hoa hoc truc tiep tao ra etylaxetat la(chat xuc tac va dieu kien phan ung co du)

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

Cau 16. Co cac chat : axetilen,natrifomat, glucozo, fructozo va etylfomat.So cac chat (trong so cac chat da cho) tham gia phan ung trang bac la

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

Cau 17. So sanh tinh axit, do ben, tinh oxi hoa cua HClO va HBrO:

A. Do ben, tinh axit, tinh oxi hoa cua HBrO deu lon hon cua HClO

B. HBrO co tinh axit va do ben manh hon, con tinh oxi hoa yeu hon HClO

C. HBrO co tinh axit manh hon, con tinh oxi hoa va do ben kem HClO

D. Do ben, tinh axit, tinh oxi hoa cua HClO deu lon hon cua HBrO

Cau 18. Hon hop X gom O2 va O3 co ti khoi so voi H2 bang 20. De dot chay hoan toan 9,4 gam hon hop CH4 va CO co ti khoi so voi nito la x can 7,616 lit hon hop X (dktc). Gia tri cua x la

      A. 0,685                         B. 0,6786                         C. 0,7857                           D. 0,839

Cau 19. Cho tu tu dung dich chua x mol HCl vao dung dich chua y mol Na2CO3, thu duoc 2,24 lit khi (dktc) va dung dich X. Khi cho nuoc voi trong du vao dung dich X thay xuat hien 5 gam ket tua. Gia tri cua x va y lan luot la

A. 0,15 va 0,075.             B. 0,15 va 0,150.             C. 0,25 va 0,100.               D. 0,25 va 0,150.

Cau 20. Hon hop X gom NaBr va NaI. Cho hon hop X tan trong nuoc thu duoc dung dich A. Neu cho brom du vao dung dich A, sau phan ung hoan toan, co can thay khoi luong muoi khan thu duoc giam 7,05 gam. Neu suc khi clo du vao dung dich A, phan ung hoan toan, co can dung dich thay khoi luong muoi khan giam 22,625 gam. Thanh phan % khoi luong cua mot chat trong hon hop X la

A. 64,3%                          B. 39,1%                          C. 47,8%                          D. 35,9%

Cau 21. DotchayhoantoanmgamFeS2  bangmotluongO2  vuadu,thuduockhiX.HapthuhetX

vao1litdungdichchuaBa(OH)2 0,15MvaKOH0,1M,thuduocdungdichYva27,125gamkettua.

Cho Y vao dung dich NaOH, thay xuat hien them ket tua. Gia tri cua mla

A. 16,5.                            B. 36,0.                            C. 18,0.                               D. 13,8.

Cau 22.Khi cho 7,67 gam mot amin don chuc phan ung vua het voi dung dich axitclohidric  thu duoc dung dich X. Co can X duoc 12,415 gam muoi khan. So dong phan cau tao cua amin la

A .2                                  B .8                                 C .4                                     D .1

Cau 23.Cho 1,86 gam hop chat co cong thuc phan tu C3H12O3N2 phan ung hoan toan voi 200 ml dung dich NaOH 0,2 M ,thu duoc mot hop chat huu co bac mot don chuc va dung dich X chi chua cac chat vo co  .Co can X duoc a gam chat ran khan .Gia tri cua a la.

A. 2,05                                B .2,275                            C.1,99                              D .gia tri khac .

Cau 24 .Chi tu cap khi nao sau day ta dieu che duoc axit HNO3

A .NO&O2                          B .NH3&O2                      C . N2&O2                        D .N2&H2

Cau 25 .Khi noi ve polime phat bieu nao sau day la khong dung

A .Plithiophen co tinh ban dan .

B . Khi nung nong chay,da so cac polime cho chat long nhot,de nguoi ran lai goi la polime nhiet ran.

C .Poliisopren co tinh dan hoi .

D .Phan ung de polime hoa con goi la phan ung giai trung hop .

Cau 26 .Co cac loai to : nitron, nilon-6, nilon-6,6,visco va nilon-7 .To thuoc to hoa hoc la

A .  1                                 B .3                                    C . 4                                 D. 5

Cau 27 .Cau tao mach polime co the la

A.Khong nhanh                B.Co nhanh                         C.Mach mang luoi           D.Ca A;B;C

Cau 28 .Xa phong hoa 0,1 mol este X vua het voi 200 ml dung dich NaOH 1M thu duoc 19,8 gam hon hop san pham huu co.Cong thuc cau tao cua X co the la

A.HCOOC6H5                 B.CH3COOC6H5                C.HCOOC2H4OOCH         D.Ca A;B;C deu dung

Cau 29.Cho hop chat huu co C4H6O2 mach ho tac dung vua het voi dung dich NaOH cho 2 chat huu co khong co kha nang phan ung trang guong.So dong phan cau tao C4H6O2 co the co la:

A.2                                   B.1                                      C.3                                     D.Ket qua khac

Cau 30 .Hop chat huu co X chi chua mot loai nhom chuc (C,H,O).Trong do H chiem 2,439% ve khoi luong.Khi dot chay X thi thu duoc so mol nuoc bang so mol X chay.Neu cho 24,6g X tac dung voi dung dich AgNO3/NH3 (du) thu duoc a gam bac.Gia tri cua a la:

A.32,4g                             B.64,8g                               C.129,6g                           D.86,4g

Cau 31:Cho 0,01 mol mot aminoaxit X tac dung vua het voi 80ml dung dich HCl 0,125M duoc dung dich Y.Dung dich Y tac dung vua het voi 300ml dung dich NaOH 0,1M duoc dung dich Z.Co can Z duoc 2,835g chat ran khan.X la:

A.lysin                               B.tyrosin                              C.axit glutamic                 D.valin 

Cau 32 . Dung dich axit HX va dung dich HCl co cung nong do mol/lit, co PH tuong ung la x va y thi bieu thuc lien he giua x va y la ( biet cu 100 phan tu HX co 10 phan tu phan li)

A . x= 10y                         B .x= y+1                           C . y= x +1                        D . y = 10x

Cau 33. Co cac phuong trinh dien li :

De thi thu Dai hoc mon hoa hoc khoi ABDe thi thu Dai hoc mon hoa hoc khoi ABDe thi thu Dai hoc mon hoa hoc khoi ABDe thi thu Dai hoc mon hoa hoc khoi ABa, HF          H+  +  F-         b,  HClO        H++ClO-      c, HCl         H+ + Cl-         d, HI         H+ +  I-

Cac phuong trinh dien li dung la

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

Cau 34 . Co chat :etilen, toluen, cumen va axitacrylic. So chat lam mat mau nuoc brom la

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

Cau 35. Tinh khu cua cac hidro halogenua tang dan theo thu tu sau:

A. HF < HBr < HCl < HI                                          B. HF < HCl < HI < HBr

C. HI < HBr < HCl < HF                                          D. HF < HCl < HBr < HI

Cau 36 .Cracking 4,48 lit butan (dktc)thu duoc hon hop X gom 6 chat: H2, CH4,C2H6,C2H,C3H6 va C4H8 dan toan bo san pham X di qua binh dung dich Brom du thi thay khoi luong dung dich Brom tang 8,4 gam va khi bay ra khoi dung dich Brom la hon hop Y.The tich oxi (dktc) can de dot chay hoan toan Y la:

A.5,6 lit                            B.8,96 lit                              C.4,48 lit                          D.6,76 lit

De thi thu Dai hoc mon hoa hoc khoi ABDe thi thu Dai hoc mon hoa hoc khoi ABCau 37 .Cho can bang:     N2O4(k)                     2NO2(k) o 25oC.Khi chuyen dich sang mot trang thai can bang moi neu nong do cua N2O4 tang len 9 lan thi nong do cua NO2 la

A. Tang 9 lan                   B.Tang 3 lan                          C.Tang 4,5 lan                 D.Giam 3 lan   

Cau 38 .Co cac chat: glucozo ,metylaxetat, etilen,etylfomat va metylacrylat .So cac chat da cho chi mot phan ung hoa hoc truc tiep tao ra etanol la

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

Cau 39 .Chon phat bieu dung nhat khi noi ve to olon:

A.To olon thuoc to thien nhien                                        B.To olon thuoc to poliamit

C.To olon thuoc to nhan tao                                            D.To olon thuoc to tong hop

Cau 40 .Len men dung dich chua 300g glucozo thu duoc 92g ancol etylic.Hieu suat len men tao thanh ancol etylic la:
     A.80%                             B.40%                                    C.60%                              D.54%

II.Phan rieng (10 cau)

Thi sinh chi duoc lam mot trong hai phan (Phan A hoac phan B)

Phan A(tu cau 41 den cau 50)

Cau 41 .So hop chat dong phan cau tao cua nhau co cong thuc phan tu C8H10O,trong phan tu co vong benzen, tac dung duoc voi Na, khong tac dung duoc voi NaOH la

    A.4                                  B.6                                          C.7                                   D.5

Cau 42 .Day gom cac ion deu oxi hoa duoc kim loai sat la

    A. Cr2+,Au3+,Fe3+.          B.Fe3+,Ag+,Cu2+                     C.Zn2+,Ag+,Cu2+              D.Ag+,Cu2+,Cr2+

Cau 43 . Trong tu nhien clo co hai dong vi ben:De thi thu Dai hoc mon hoa hoc khoi ABchiem 24,23% tong so nguyen tu, con lai la De thi thu Dai hoc mon hoa hoc khoi AB. Thanh phan % theo khoi luong cua  De thi thu Dai hoc mon hoa hoc khoi ABtrong HClO4  la

    A. 21,68%.                        B. 26,76%.                              C. 8,64%.                         D. 6,84%.

Cau 44 .Tron 600 ml dung dich HCl 1M voi 400ml dung dich Ba(OH)2 a mol/lit thu duoc 1 lit dung dich X co PH = 1.Gia tri cua a la

A.0,625                            B.0,75                                   C.1,25                              D.Ket qua khac

Cau 45 .Cho 26 gam hon hop ran A gom Ca, MgO, Na2O tac dung het voi V ml dung dich HCl 1M (vua du) thu duoc dung dich A trong do co 23,4 gam NaCl. Gia tri cua V la

A. 1200.                           B. 1080.                           C. 720.                                    D. 900.

Cau 46 .Hop chat huu co X co cong thuc phan tu la C4H8O3.X co kha nang phan ung voi Na, voi NaOH.San pham thuy phan X trong moi truong kiem thu duoc hai hop chat huu co co kha nang tham gia phan ung trang bac.Cong thuc cau tao dung nhat cua X la

A.CH3CH(OH)CH(OH)CHO                                            B.CH3COOCHOHCH3

C.HCOOCH(OH)CH2CH3                                                D.CH2(OH)CH2CH2OOCH

Cau 47 .Hoa tan m gam hon hop FeO va Fe3O4 vua het trong dung dich chua 0,07 mol H2SO4 o dieu kien thich hop thu duoc 224ml SO2 (dktc) san pham khu duy nhat va dung dich X.Co can dung dich X duoc khoi luong muoi sunfat khan la

A.8 gam                             B.12gam                           C.16 gam                                D.4 gam 

Cau 48 .Xa phong hoa hoan toan 52,8 gam hon hop 2 este no, don chuc, mach ho la dong phan cua nhau can vua du 600ml NaOH 1M.Biet ca hai este khong tham gia phan ung trang bac.Ten goi cua hai este la

A.etylaxetat va propyl fomat                                           B.etylpropionat va metylbutirat

C.metylpropionat va etylaxetat                                       D.izo-propylaxetat va propylaxetat

Cau 49 .Co cac chat: metanol,etanol,natriaxetat,andehitaxetic va etylfomat.So chat da cho chi bang mot phan ung tao ra axit axetic la

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

Cau 50 .Dun soi hon hop gom propyl bromua, kalihidroxit va etanol thu duoc san pham huu co la

    A.Propin                          B.Propan-2-ol                         C.Propen                         D.Propan.

Phan B (tu cau 51 den cau 60)

Cau 51 .Khi cho a mol mot chat beo trung tinh lam mat mau vua het 3a mol brom trong CCl4. Cong thuc tong quat cua chat beo la

A . CnH2n-10O6                    B . CnH2n-12O6                    C .  CnH2n-8O6                        D.  CnH2n-6O6  

Cau 52 .Hop chat huu co X tac dung voi dung dich axitnitric tao ra ket tua mau vang thi X la

A .Valin                            B . Tyrosin                         C . Lysin                                D . Alanin

Cau 53 . Cho so do chuyen hoa sau : A ®  B ® C ® D ® E  Voi  A, B, C, D, E la cac hop chat khac nhau cua luu huynh. Day chat khong phu hop voi so do chuyen hoa tren la

A. CS2 ® SO2 ® SO3 ® H2SO4 ® K2SO4            B. Na2S ® H2S ® S ® SO2 ® SO3

C. H2S ® SO2 ® SO3 ® H2SO4 ® CuSO4           D. FeS2 ® SO2 ® H2SO4 ® H2S ® Na2S

 Cau 54 . DungdichXgomCH3COOH1M (KA=1,75.10–5) vaHCl0,001M.GiatripHcuadung

dich X la

A. 2,55.                            B. 2,33.                            C. 1,77.                            D. 2,43.

Cau 55 . Chodaycacchat:Alanin,Sn(OH)2,Pb(OH)2,Al(OH)3,Cr(OH)3.Sochattrongdaycotinh chat luong tinh la

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

Cau 56 . Chat ma chi mot phan ung hoa hoc tao ra axitlactic la

    A .Propen                         B . Glucozo                      D . Propenal                     D . Ancolanlylic

Cau 57 . Co cac chat tripanmitin,tristearin, triolein va 1,2,3-triclopropan.So chat bang mot phan ung truc tiep tao ra glixerol la

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

Cau 58 . De tach rieng duoc bot nhom va sat ra khoi nhau mot cach nhanh nhat ta co dung

A . Dung dich HCl              B Dung dich FeCl2          C . Dung dich NaOH       D . Cach khac

Cau 59 .Cho cac chat :dimetylamin, alanin, lysin, natriaxetat va amoniac.So chat trong cac chat da cho lam doi mau nuoc qui tim la

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

Cau 60:Hoa tan het hon hop nhom va magie vao dung dich H2SO4 9,8% vua du thu duoc dung dich hon hop Al2(SO4)3 x% va MgSO4 3,627%.Gia tri cua x la

     A.15,524                             B.12,962                         C.16,281                           D.10,42  

........ HET.......

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