B a i 19: Cho hon hap gom 0,2 mol Fe va O,lmol Cu phan ufng vdi oxi
mot thdi gian dUgfc hon hop ran X. Hoa tan X trong dung dich HNO3 du thu dU(?c 2,24 l i t NO (dkc) la san pham khuf duy nhat. Chi ra khoi luong chat ran X
Ạ 19,6gam B. 21,6gam C. 16,9gam D. 20gam.
B a i 20: Hoa tan hon hop X gom M g va A l bang 200ml dung dich H N O (vCra du), sinh ra 3.36 l i t NO (la san pham khuf duy nhat, d dkc). Nong do cua dung dich HNO3 da dung la:
Ạ 3 M B. 2,5M C. 0,75M D. 3,2M.
B a i 21: Sap xep cac dung dich sau day (cung nong do mol/1) theo trat tii p H tang dan: H C O O H ( l ) , HC1(2), CH3COOH(3), H2S04{4)
Ạ (3) < (1) < (2) < (4) B. (4) < (3) < (1) < (2) C. (2) < (4) < (3) < (1) D. (4) < (2) < (1) < (3).
B a i 22: So lien ket 6 trong ankin CnH2„ _ 2 la:
Ạ 3n B. 3n - 2 C. 3n - 3 D. 2n - 1.
B a i 23: Dot chay hoan toan h6n hop cac hidrocacbon C2H2, C4H4 va CeHg. Dan toan bo san phám chay vao binh dUng Ca(0H)2 du thay
khói luong binh tang m gam dong thdi xuat hien 20gam ket tiiạ Chi , ra m
P Ạ 10,6 B. 8,8 C. 20 D. 10.
B a i 24: X, Y, Z la cac ancol mach hd, khong phai la dong phan cua
nhaụ K h i dot chay moi ancol deu thu duoc n^Q^ : n„ Q = 3 : 4 I Vay X, Y, Z c6 dac diem
Ạ La ancol dong dang
B. Co khoi luong phan tiJf hon kem nhau 14 dv.C C. Deu khong tao phufc vdi Cu(0H)2 C. Deu khong tao phufc vdi Cu(0H)2
D. Co khoi luong phan tuf hon kem nhau 16 dv.C.
B a i 25: Phuong phap hien dai de dieu che axit axetic la di tii metanol
va axetic monoxit. C H 3 O H + C O C H 3 C O O H . De thu dugc 12kg axit axetic vdi hieu xuát 80%, can luong metanol va C O Ian luot la Ạ 6,4kg va 5,6kg B. 8kg va 7kg ,
C. 5,12kg va 4,48kg D. 6,4kg va 7kg.
a i 26: Trong cong nghiep, ngudi ta san xuat phenol theo so do sau:
CeHe ^'h'cncn, , C6H5CH(CH3)2 > CgHsOH. Dê thu duoc 47kg
phenol ngudi ta can dung luong benzen la (biet hieu suat cua qua t r i n h la 78%)
Ạ 50kg B. 64,1kg C. 39kg D. 30,42kg
B a i 27: Phenol kho tan trong nudc, natri phenolat tan rat tot trong nudẹ Ly do la:
I Ạ N a t r i phenolat khong cd hen ket hidro vdi H2O
f B. Phenol c6 khoi luong phan tuf nho hon natri phenolat
I C. Phenol la hop chat cong hoa t r i , natri phenolat la hop chat ion
f D. Phenol la axit yeu, natri phenolat la muoị
B a i 28: Trong cung dieu kien nhiet do, ap suat, khoi luong 1 l i t hoi este
I E gap hai Ian khoi luong 1 Ht CO2. Vay E c6 cong thufc phan tuf? (adsbygoogle = window.adsbygoogle || []).push({});
B a i 29: Xa phong hoa este X diicfc hon hcjp hai muoi CHgCOONa, HCOONa va ancol Y c6 cong thuTc C2H6O2. Cong thufc phan tCf cua X la:
Ạ C5H10O4 B. C6H10O4 C. C 4 H 6 O 4 D. C 5 H 8 O 4 .
B a i 30: Dot chay hoan toan O,lmol hon hop gom metylamin,
dimatylamin, t r i m e t r y l a m i n va etylamin bang oxi vCra du t h i the tich
N2 thu duoc (d dkc) l a :
Ạ 4,48 l i t B. 2,241it C. l,121it D. 3,361it.
B a i 3 1 : TCr 0,2 mol glyxin va 0,1 mol alanin c6 the tao t h a n h k h o i luong dipetit cue dai la
Ạ 19,9 gam B. 25,3 gam C. 21,2 gam D. 18,5 gam.
B a i 32: TCr g l y x i n , alanin va valin c6 the tao t h a n h t o i da bao nhieu tripeptit?
Ạ 9 B. 27 . C. 3 D. 18.
B a i 33: Trong so cac cacbohidrat sau:
1) GlucozO 2) Fructozo 3) SaccarozO 4) MantozỌ 5) T i n h hot 6) Xenlulozo
So cacbohidrat cho diioc phan urng thuy phan la:
Ạ 2 B. 5 C. 4 D. 4.
B a i 34: M o t loai cao su l\iu hoa chufa 3,5% lifu huynh. Biet r a n g k h i luu hoa, S da thay the cho H of nhom metilen trong mach cao sụ So mSt xich cao su trung b i n h c6 mot cau noi - S - S - la:
Ạ 22 B. 26 C. 13,5 D. 13.
B a i 35: Cho 5,3 gam hon hop hai axit cacboxyUc (don chiJc, dong dang lien tiep) tac dung vdi 20gam dung dich N a O H 40%. Co can dung d i c l i
sau phan ufng dtfoc l l , 5 g a m rSn khan. H a i axit da dung la Ạ C H 3 C O O H va C 2 H 5 C O O H B. H C O O H va C H 3 C O O H
C. C 2 H 3 C O O H va C 3 H 5 C O O H D. C 2 H 5 C O O H va C 3 H 7 C O O H .
B a i 36: Cho cac chat sau: phenol, ancol etylic, axit axetic, axetandehit,
metylamin, g l y x i n , a n i l i n , amoni axetat. So chat tac dung diTOc ca vdi
dung dich N a O H va dung dich H C l la
Ạ 2 B. 3 C. 5 D. 6.
B a i 37: X la ancol d o n chufc, Y la axit cacboxylic don chiJc, deu no, mach họ X h o n Y m o t nguyen tuf cacbon trong phan tijf. Dot chay h e t m o t
luong cung so mol hon hop X v a Y, sinh ra 11,2 l i t C O 2 (dkc) v a 10,8gam H 2 O . H a i chat X, Y Ian lifot l a :
Ạ H C O O H va C 2 H 5 O H B. C H 3 C O O H v a C 2 H 5 O H
C. C H 3 C O O H v a C 3 H 7 O H D. C 2 H 5 C O O H v a C 4 H 9 O H .
B a i 38: O,lmol este X phan iJng vdi N a O H vCfa du thu di/gc O,lmol HCOONa, 0,2mol CHgCOONa va 9,2gam ancol Ỵ Cong thiJc phan t t l X la:
Ạ C6H10O4 B. CgHizOe C. C8H14O4 D. CrHiaOg.
B a i 39: Thuc hien phan uTng nhiet nhom den hoan toan m gam h5n hop X gom A l va Fe204. Chia hon hop sau phan ufng t h a n h h a i p h a n (adsbygoogle = window.adsbygoogle || []).push({});
khong bang nhau
Phan 1: Cho phan iJng v d i dung dich N a O H dif, sinh ra 0,336 l i t k h i (dkc) va con l a i 2,52 gam r ^ n
Phan 2: Cho vao H N O 3 loang, dii diioc 3,696 l i t N O (dkc) Chi ra k h o i lifOng r l n X
Ạ 17,64gam B. 9,66gam C. 21,2gam D. 14,49gam.
B a i 40: Cho cac chat: n a t r i axetat, amoni clorua, phenylamoni clorua, a n i l i n , phenol, ancol etylic, alanin, axit glutamic. Só chat trong day lam doi mau quy t i m am la
Ạ 7 B. 6 C. 4 D. 3.
lị PHAN RieNG (10 cau;
Thi sinh hoc theo chuong trinh nao thi chi duac Idm phdn danh ri§ng cho chiiong trinh do (phdn A hodc B)
T h e o chifofng t r i n h C h u a n (10 cau, tii cdu 41 den cau 50)
a i 41: Cho cac phat bieu sau:
1) Phan ufng thuan nghich la phan ufng xay ra theo 2 c'ueu ngufOc nhau 2) Phan ufng bat thuan nghich la phan ufng xay ra theo 1 chieu xac dinh 3) Can bkng hoa hoc la t r a n g t h a i ma phan ufng da xay ra hoan toan 4) K h i phan iJng thuan nghich dat t r a n g t h a i can b^ng hoa hoc,
liTOng cac chat se khong doi
5) K h i phan iJng thuan nghich dat t r a n g t h a i can bSng hoa hoc, phan iJng se dCrng l a i
Cac phat bieu s a i :
B a i 42: Andehit da chuTc X chay hoan toan cho ngo, - n^^o = n^.Xla: Ạ andehit no, mach hd B. andehit no, mach vong
C. andehit chiia no D. andehit thom.
B a i 43: Dot chay hoan toan Ọlmol axit cacboxyUc X thu daoc chiXa den
8g hon hop H2O va CO2.X la:
Ạ axit fomic B. axit axetic C. axit acrylic D. axit oxalic.
B a i 44: Ion nao dadi day c6 the oxi hoa dugfc ion Fê^ trong dung dich
Ạ Cú^ B. Ag^ C. CI- D. Fé^
B a i 45: De dieu che duoc 30,4gam Cr203 can nhiet phan toi thieu bao nhieu gam (NH4)2Cr207?
Ạ 68,6 B. 75,6 C. 50,4 D. 151,2.
B a i 46: Can lay bao nhieu gam t i n h the CUSO4.5H2O vao bao nhieu gam
dung dich CuS048% de tao ra 560gam dung dich C U S O 4 16%? Ạ 480 va 80 B. 120 v a 440 C. 80 va 480 D. 60 va 500.
B a i 47: Co the phan biet 4 lo mat nhan: Na2S04; NaNOg; H 2 S O 4 loang va H N O 3 loang chi vdi thuoc thuf la:
Ạ MgO B. FeO C. ZnO D. CuỌ
B a i 48: Hop chat nao di/di day c6 so dong phan cau tao nhieu nhat?
Ạ CgHsO B. C 4 H 9 C I C. C 4 H 1 0 O D. C 3 H 7 C I . B a i 49: So luong dong phan mach ho, c6 mach cacbon lien tuc, tac dung
daoc vdi axit va bazo cua hop chat c6 cong thiJc phan tijf C 3 H 7 O 2 N la Ạ 3 B. 6 C. 4 D. 5. (adsbygoogle = window.adsbygoogle || []).push({});
B a i 50: Dun 100ml dung dich glucozO vdi mot luong dtf AgNOs/NHs thu dagc li/dng Ag dung bang lirgng Ag sinh ra k h i cho 6,4gam Cu tac dung het vdi dung dich AgN03. Nong do mol/1 cua dung dich glucozo la:
Ạ I M B. 2 M C. 5M D. l O M .
T h e o chxidng t r i n h N a n g cao (10 cdu, til cdu 51 den cdu 60)
B a i 51: Trong binh k i n 2 Ht chiJa 2mol N2 va 8mol H2. Thifc hien phan
iJng tong hop N H 3 den k h i dat trang thai can bang thay ap suat sau bang 0,8 ap suat liic ban dau (BiS't nhiet do trUdc va sau nhiT nhau) Hang so can bang cua he la
Ạ 0,128 B. 0,75 C. 0,25 D. 1,25.
B a i 52: Dot chay hoan toan axit cacboxylic X bang mot liTcfng vCra du oxi
dugc hon hop (khi va hoi) c6 ty so khoi so vdri H2 la 15,5.X la axit
Ạ axit đn chuTc, no mach hd B. axit don chufc, chua no, mach hd C. axit da chuTc, no, mach hd D. axit thOm
B a i 53: Co bao nhieu xeton cong thurc phan tuf C 6 H 1 2 O ?
Ạ 7 B. 4 C. 5 D. 6.
B a i 54: TCr cac cap oxi hoa khuf: Al^VAl; Zn^VZn; Cu^VCu; AgVAg. Co the
lap dugfc toi da bao nhieu pin dien hoạ
Ạ 5 B. 6 C. 4 D. 7.
B a i 55: A la chat ran c6 mau den. Hoa tan A bang mot liTc/ng H 2 S O 4 loang vCfa du dirge dung dich X. Cho dung dich N a O H di/ vao dung
dich X dugc ket tua Z c6 mau vang, chuyen sang xanh k h i de trong
khong k h i . Vay chat ran A co cong thuTc phu hgp la
Ạ CuO B. FeO C. Cr203 D. CrỌ
B a i 56: Them 0,02mol N a O H vao dung dich chuTa 0,01mol CrClg r o i de trong khong k h i den phan iJng hoan toan thu diigc két tua sau cung
CO khoi lirgng:
Ạ 2,06gam B. l,72gam C. l,03gam D. 0,86gam.
B a i 57: K h i chuan do dung dich axit manh bang bazo manh, p H cua
dung dich trong qua t r i n h chuan do Ạ Tang dan, c6 luc tang dot ngot
B. Giam dan, c6 liic giam dot nggt
C. Giam deu D. Tang deụ
B a i 58: Dun l,66g hon hgp hai ancol vdi H 2 S O 4 dam dac thu dirge hai anken dong dang ke tiep nhau (hieu suat 100%). Neu dot hon hgp anken do can dung 2,688 h t O2 (dktc). T i m cong thiic cau tao cua hai ancol, biet ete tao thanh tCr hai ancol la c6 nhanh
Ạ C 2 H 5 O H , C H 3 C H 2 C H 2 O H B. C 2 H 5 O H , ( C H 3 ) 2 C H O H C. (CH3)2CHOH, Ch3(CH2)30H D. (CH3)2CHOH, (CH3)3COH. C. (CH3)2CHOH, Ch3(CH2)30H D. (CH3)2CHOH, (CH3)3COH.
B a i 59: Thuy phan hoan toan I m o l pentapeptit X dirge 3 mol glyxin, 1
mol alanin va 1 mol valin. Neu thuy phan khong hoan toan X t h i trong hon hgp san phám thay co cac dipeptit A l a - G l y ; G l y - A l a va
tripeptit Gly-Gly-Val. Vay amino axit dau N va dau C cua pentapeptit (adsbygoogle = window.adsbygoogle || []).push({});