C. C]I].OFI" CHrCI]]CỊI2OI] D C]]I5OI] CIIrC]JOI,I-CIIỊ
VẠ HCooH B c:HzcooH C czHscooH D cH:cooH
CAu 46: Xfri
-CO
g6y nguy hiem ld do khA ndng kl5t hqp v6i hemoglobin c6 trong m6u lAm mAt khd ndng vdn chuy6n oxị Trong trucrng hqp nho sau đy g6y tu vong do ngQ dQc khi cỏ
(1) Dung binh gas dO nAu o ngodi trdi (2) DOt b6p lo trong nhd khdng duoc th6ng gio t6t (3) NO m6y 6 tO trong nhd xe dong kin (4) Ngu gAn ld gach dang nung mir khdng tho6ng khi Ạ (2) va (3). B. (2), (3) ve (a) C. (1) vit (2) D.(3) vd (a)
Ciu 47: Chi dung mdt thuOc thu ndo dudi đy d€ phAn biQt dugc etanal vir propan-2-on
.4.. Dung dictr HCI B. Dung dich Brz c. Hz o{i, toc) D. Dung dich Nazco:
Cf,u 48: OOt chay h6n hcr-p hai incol da chirc, m4ch ho ld d0ng ding cua nhau vir c6 s6 mol bing nhau, u duqc lJri CCz vd hcyi HzO c6 ti lQ mol nCO2 : nlI2O :3:4. C6ng thirc phdn tu ctra 2 ancol ld
Ciiu 49: H5n hqp X g6m Cu, Al, Fe e:ii s6 mol bing nhaụ Ldy in garn h6n hqJp X ciro vdo dr"rng dich l1r.SƠ đc, n6ng th., dno" 8,96-lit SO2 (dktc). Hdy cho bi,it n5u cho m gam h6n hqp X vdo dr"rn1 dich
, 4I{2SOa dic, ngLrrii tlri thu duocibio nhi0u iit SOz (dklc)?
'/ -Ạ3,3'lrr " 8.2,8 lit {'.?.,24 lit t D. Ị68 lit
.t
CAu 50: Tu phuong trinh ion thu gon sau: (.'r + ?.Agt -+ Cu2' + 2Ag. Hdy cho UlCt tc6t luAn ndo du6i đy
, ld sai:
\ t 'V Ạ Cu co tinh khir manh hon Ag. C. Cu2' kh6ng oxi ho6 drroc Ag
FhAn IỊ Theo chuong trinh ning cao (10 cfiu, tit cLu 5t tl€n cAu 60)
Cf,u 51: Cho 136,8 g h6n hgp X gdm saccarozo vit mantozo phAn img hodn tohn AgNO:/NH: du thu duoc 32,4 gam Ag. Tinh% thOi luo-ng ctra saccarozo trongh6n hqp X?
tuQn dudi dAy, kdt lufn ndro sai:
ẠZ** oxi h6a dugc Cu
C. Cu2* c6 tinh oxi hod manh honZrf*
B. Cu bi oxi h6a boi ion Ag*
D. Ag* c6.tinh oxi ho6 mpnh hon Qu2*
B. Cục6 tinh khu y6u hon Zn
D. Xiy ra phin ung: Zn+ Cu2* -+ Cu + Znz*
Ạ1% 8.62,504 c.65,5 0A D.99%
CAu 52: Cho c6c hqp chdt:
(1) C6IlsNHz; Q) CzHsNHz ; (3) (CeHs)zNHz; Q) (C2HI)2NH; (5) NaOH; (6) NH3 Sip xcp cdc chilttr6n theo thir tu gidm d6n tinhbazó.
Ạ i> 3>5>4>2>6 8.5>4>2>6>1>3 C.6>4>3>5>7.>2 D.5>4>2>1>3>6
Cflu 53: OOt chay hodn toirn m gam axit hiru co dor chrtc rdi dAn todn bQ sAn phAm ch6y vdo binh dpg
CăOH)z du thAy khOi lucrng binh tang l€m p gam vd c6 q gam k€t tuạ Bi0t p: 0,52qvd q: (m+p)10,92. CQng thric ph6n tu ctra axit ld:
Ạ CHzOz B. C+HoOz C. CzHqOz D. C+HcƠ
Cf,u 54: Hod tan hoirn todn m gam h6n hqp gOm A] vd Mg vdo HCI du cho 5,72lit khi (dktc). N€u cho (adsbygoogle = window.adsbygoogle || []).push({});
m gam h6n hcr_p Al, Mg tr€n vdo 400m1 dung dfch gOm AgNO: 0,8M vd Cu(NO3)2 0,5M, phdn img xong
Ciu 55: Cho 13 gam Crom t6c dung vdi luong clu khi clọ Ldy chit.rian thu dugc sau phirn img hod tan viro nudc, sau d6 th0m ti6p vdo 0,5 liidung dich NaOH 1,6M vdọ Kh6i lugng k6t tua thu duoc 12r:
',lru duoc bao nhi€u gam kOt tuả
Ạ39,04 gam 8.54,8 gam C.49,6 gam D.43,52 gam
Ạog 8.20,69 c. 10,3g D. 1,03g
Ciu 56: PhAn biet ba chAt nguy6n chAt CzH:C1, CHz:CHCHzCI, CoHsCl bing c6c h6a chAt nho sau cidv
(dugc phdp dun n6ng)?
Ạ Dung dich NaOH, dung dich HNOg. B. Dung dich NaOH, dung dich AgNO:.
C. Dung dich NaOH, dung dich HNO:, dung dich AgNO3. D. HzO, dung dich NaOH, dung dich FINOg, dung dich AgNOr. Cdu 57: SO cl6ng ph6n xeton cua hqp chAt c6 c6ng thric CeHrzO ld
Ạ5 8.7 c.4 D.6
cau 5g: cho c6c gi6 tri thc dicn cr-rc chuan: E01Cu2*/Cu) : 0,34V; n01Zr?*lzn): - 0,76Ỵ Trong c6c k6t
Ciu 59: C6 5 lq ri6ng rE dgng 5 dung dich, m6i dung dich chira 1 trong c6c cation: IJH+*, Mg2*, Fe3*,
Al3*, Na*. Chi dung dung dich NaOH, co th6 nhan bi6t duoc dung dich ndo ? 'Ạ Dtrng dich chria NH+*
C. 2 duig dich chria : NHa*, A13*. D. 3 dung dictr ctrtla: NH+*, Fei* vh Al3*
Ciu 60: Trdn 50 ml dung dich HCI v6'i 50 ml dung dich g6m KOH, NaOI{, BăOH)z c6 pH: 13 thuduoc dung dich c6 pH: 12. Tinh nOng d0 mol/l cta dung dich HCl duoc dung dich c6 pH: 12. Tinh nOng d0 mol/l cta dung dich HCl
Ạ 0,12 M B. 0,16 M c. 0,08 M D. 0,16M