Lty I NHH Ml V IJVVH KUdng Vlcl Cdu 34: Thuc hien cac thi nghiem sau:
(a) Nung NH4NO3 ran. ' '
(b) Dun nong NaCl tinh thé \d\g dich H2SO4 (dac).
(c) Sue khi G , vao dung djch NaHCOj. :;':,^f;
(d) Sue khi CO, vao dung dich CăOH)2 (du). ' ' ' ' ' (e) Sue khi SO, vao dung dich KMnO*. , 'j., .y^, ' (g) Cho dung djch KHSO4 vao dung djch NaHCO,.
(h) Cho PbS vao dung dich HCl (loang). ^ ^.u;,,.- . , (i) Cho Na,SO, vao dung djch H2SO4 (du), dun nong. , , '
So thi nghiem sinh ra chat khi la < • Ạ 5. B. 4. C. 2. D. 6.
Cdu 35: Trong tir nhien clo c6 hai d6ng vj ben: " CI chiem 24,23% tdng s6' nguyen
tir, con lai la j'^^Cl. Thanh phdn % theo khdi lugng " C l trong HC104la Ạ 8,56%. B. 8,92%. C. 8,79%. D. 8,43%.
Cdu 36: Cho 1,82 gam hdn hgp bgt X gom Cu va A g (ti le sd mol tuang ung 4:1)
vao 30 ml dung djch gom H,S04 0,5M va HNO, 2M, sau khi cac phan ung xay ra
hoan toan, thu dugc a mol khf NO (san pham khiJr duy nhát ciia N'''). Trdn a mol NO tren vdi 0,1 mol O, thu dugc hdn hgp khi Ỵ Cho toan bd Y tac dung vdi H^O, thu dugc 150 ml dung djch cd pH = z. Gia trj cua z la
Ạ 1. B. 3. C. 2. D . 4 .
Cdu 37: De hidro hoa hoan toan 0,025 mol hdn hgp X gom hai andehit c6 khdi
lugng 1,64 gam, cSn 1,12 lit H , (dktc). Mat khac, khi cho cung lugng X tren phan li-ng vai mot lugng du dung djch AgNOj trong NH3 thi thu dugc 8,64 gam Ag. Cdng thiic cau tao ciia hai andehit trong X la
Ạ O H C - C H , - C H O va OHC-CHỌ h
B. CH,=C(CH3)-CH0 va OHC-CHỌ C. CH2=CH-CHO va OHC-CH^-CHỌ C. CH2=CH-CHO va OHC-CH^-CHỌ D. H - C H O va O H C - C H 2 - C H O .
Cdu 38: Thirc hien phan ling nhiet nhdm hdn hgp gdm m gam A l va 4,56 gam
Cr^O, (trong dieu kien khdng cd O2), sau khi phan ling ket thiic, thu dugc hdn
hgp X. Cho toan bd X vao mot lugng du dung djch HCl (loang, nong), sau khi
cac phan vfng xay ra hoan toan, thu dugc 2,016 lit H2 (dktc). Con neu cho toan
bd X vao mot lugng du dung djch NaOH (dac, nong), sau khi cac phan ling ket thiic thi so mol NaOH da phan ling lii
Cdu 39: C h o cac to sau: to xenluloza axetat, to capron, to nitron, to visco, to
nilon-6,6. C o bao nhieu to thuoc loai to poliamit?
Ạ 4. B. 1. C. 3. D. 2.
Cdu 40: Nhidt phan 4,385 gam h6n hop X g6m KCIO3 va K M n 0 4 , thu duoc O, va
m gam chat ran g6m K2Mn04, M n O , va KCl. Toan b6 luong O, tac dung het v6i
cacbon nong do, thu duoc 0,896 h't h6n hop khi Y (dktc) c6 ti kh6'i so vdri la 16. Thanh phan % theo khoi lugng cua KMn04 trong X la
Ạ 62,76%. B. 74,92%. C . 72,06%. D. 27,94%. '
Cdu 41: Cho butan qua xiic tac {b nhiet d6 cao) thu duoc h6n hop X g6m C4H|,|,
^ C4H8, C4H6 va Hn. T i khoi ciia X so vdfi butan la 0,4. Neu cho 0,6 mol X vao
dung dich brom (du) thi so mol brom tdi da phan ling la
Ạ 0,60 mol. B. 0,36 mol. C. 0,48 mol. D. 0,24 mol.
Cdu 42: C h e m gam bot Zn vao 500 ml dung djch Fe3(S04)3 0,24M. Sau khi cac
phan umg xay ra hoan toan, khoi luong dung dich tang them 9,6 gam so vdi khoi
luong dung djch ban đụ Gia tri ciia m la
Ạ 20,80. B. 48,75. C . 32,50. D. 29,25.
Cdu 43: Cho cac phat bi^u sau:
(a) Andehit vira c6 tinh oxi hoa vCfa c6 tinh khir.
(b) Phenol tham gia phan ihig the brom kho hon benzen.
(c) Andehit tac dung vdri (du) c6 xiic tac Ni dun nong, thu duoc ancol bac m6t.
(d) Dung dich axit axetic tac dung duoc vdri Cu(0H)2.
(e) Dung djch phenol trong nude lam quy tim hoa dọ (g) Trong cong nghiep, axeton duoc san xuát tir cumen.
S6' phat bieu dung la
Ạ 3. B. 2. C . 5. D . 4 .
Cdu 44: Cho day cac chat sau: A l , NaHCO,, (NH4),C03, NH4CI, AUOj, Zn, K ^ C O , , K2SO4. Co bao nhieu chat trong day vua tac dung duoc vdri dung dich HCl, vira tac dung duoc vdri dung djch NaOH?
Ạ 3. _ B.5. C . 4 . D . 2 .
Cdu 45: So dong phan ca'u tao ciia C5H10 phan ung duoc vdi dung dich brom la Ạ 5. B.7. C . 8. D . 9 .
Cdu 46: Phat bid'u nao sau day la saỉ
Ạ Trong y hoc, ZnO duoc dung lam thud'c giam dau day Ihin kiiih, chffa benh
eczema, benh ngiiạ
B. Nh6m ia kirn loai dSn di6n t6t hon vang.
i C . Chi (Pb) CO ung dung de che tao thiet bj ngSn can tia phong xạ