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SO GD&DT oUANG TRI

TRII0NG THPT cnuyrn ln _{euY odN}
Ua aO thi: 468

un rur rrrtlror Ncrunp rrrpr NAvrHoc 2020

naON rnr iroa noc

Thdi gian ldm bdi: 50 phtit;

(40 cau trdc nghiQm)

(Thi sinh kh6ng daqc sa d4ng tdi liQu)

Hg, tdn thf sinh:".. ME s6:

Chobit5tnguyOn ttrkh5i ctsacdc nguydn tii: H: l; He: 4;C: l2; N: 14;O:16; Na:23;Mg:24; A1:

27;S=32;Cl=35,5; K:39; Ca:40;Cr:52; Mn:55, Fe:56; Cu:64;Zn:65; Br:80; Ag: 108'Ba:

137.

C6c th6 tich khf cl6u do 6'di€u ki6n ti6u chuAn, giA thi0t c6c khi sinh ra kh6ng tan trong nu6c

Cflu 1: Natri hidrocacbonat dugc dtng trong y hoc, cdng ngh6 thpc phAm, chti t4o nu6c gi6i kh6t...C6ng
thric h6a hoc ctra natri hidrocacbonat ld

A. NaOH. B. NazCOr. C. NaHCO:. D. NaNO:.
Cfiu 2: Kim lopi ndo sau ddy chi c6 s5 oxi h6a +1 trong hqp cfr6t t

A. Xenlulozo, amoni gluconat. B. Tinh bQt, axit gluconic.
C. Tinh bQt, amoni gluconat. D. Xenlulozo, axrt gluconic.

Ciu 8: Ch6t ndo sau d6y t6c dung v6i dung dich NaOH tqo rak6t tua miru tring hoi xanh, dE hoa nau
trong khdng khi?

A. Fe2(SOa)3. B. FeClz. C. FeCl:. D. FeO.

CAu 9: Kim lo4i ndo sau dAy kh6ng t6c dung v6i dung dich Fez(SO+):?

A. Fe. B.Ag. C.Mg. D. Al.

Cflu 10: Ch6t c6 th6 lam mdm ci nu6c c6 tinh cimg t4m thoi vh nudc c6 tinh cfing vinh cuu ld

A. CaClz. B. Ca(OH)2. C. NazCO:. D. NaOH.

Ciu 11: Kim loai ndo sau ddy vtra phAn img ducvc v6i HCI vira t6c dr,rng v6i dung dich NaOH?

A.Ag. B. Cu. C. Fe. D. Al

Ciu 12: Khi thty phdn hodn todn 65 gam mQt peptit X thu dugc 22,25 gam alanin vd 56,25 gam glyxin.

xla

A. tripeptit. B. dipeptit. C. pentapeptit. D. tetrapeptit.

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Cf,u 13: Cho X li mQt hqp ch6t ctra sdt c6 ddc diOm ld khi tan viro dung dich HzSOa lodng du thi tqo ra
dung dlch Y. Bi6t dung dich Y vira co khd n[ng hoa tan Cu, vira c6 khd ndng ldm m6t mdu dung dich

Ciu 18: Kim lo4i ndo sau ddy c6 tinh khu m4nh nhan

A.Mg. B. A1. C. Fe. D. Na.

Cflu 19: C6ng thric cua tristearin ld

A. (CrzH:rCOO):C:Hs. B. (CrzH:sCOO)3C3Hs'

C. (CrsH:rCOO):C:Hs. D. (CrzH::COO):C:Hs.

Ciu 20: Cho vdi mAu nho canxi cacbua viro 6ng nghiQm dd c6 sin 1 ml nu6c vd dfly nhanh bing nrit c6
6ng d5n khi, sau phin img c6 khi X sinh ra. Khi X ld

A. Etan. B. Metan. C. Axetilen. D. Etilen.

Ciu 21: Dun n6ng m gam dung dich glucozo n6ng dQ 20Yovoi lugng du dung dich AgNO3A''IH3. Sau

khi phAn img x6y ra hoirn todn thu dugc 6,48 gam Ag. Gie trl ctra m ld

A. 10,8. 8.5,4. C.27,0. D.54,0.

Ciu22z Khi ndo sau dAy gAry rahiQn tucr-ng mua axit?

A. SOz. B. CH+. C. NH:. D' CO'

Cffu 23: DAn V lit h6n hqp khi g6m CO vd Hz di qua lu-o. ng du FezOg., CuO nung n6ng. Sau khi c6c phin

img xiy ra hodn todn, kh6i luqng chdt rhn gitm 6,4 gam so v6i ban dAu. Gi6 tri cua V (dktc) la

A. 8,96. 8.4,48. C.3,36. D.2,24.

Cdu 30: 56 nh6m hidroxyl _COH)trong phAn ttr glucozo d4ng m4ch ho ld

A. 3. 8.4. C. 6. D. 5.

Ciu 31: Dung dfch nio sau dAy ldm quj,tim chuy6n mdu do?

A. CoHsOH. B. CH3COOH. C. (CH3)2NH' D. HzNCHzCOOH.

Cfiu 32: Cho hidrocacbon X m4ch h0, lA ch6t khi o diAu kiQn thulng ph6n img hodn todn v6i H2 du, Ni

t0 thu dugc CH3-CHz-CHz-CH3. 56 c6ng thric c6u tao cira X th6a mdn di6u kiQn ld

A.8 .8.7. C.9. D.5.

Ciu 33: Cho c6c phrit bi6u sau:

(a) MQt s6 este c6 mui thcrm, kh6ng dQc, dugc dtng ldm ch6t t4o hucrng trong cdng nghiOp thgc phdm.
(b) MO bd, lgn, gd..., dAu 14c, dAu uhg, dAu 6 1iu,..c6 thdnh phAn chinh la ch6t b6o'

(c) Glucozo dung lirm thu6c tdng lqc cho ngudi 6m, c6 trong m6u ngudi v6i n6ng dQ hAu nhu kh6ng
d6i t,t .

(d) C6c aminoaxit thi0n nhi6n ld nhirng hqp ch6t co s0 AC mOn t4o n6n c6c lo4i protein cta co thd s6ng.
(e) C6c lo?i to amit kh6 bdn trong m6i trucrng axitholcbazo.

56 ph6t bi6u dfng ld

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

sdn phAm hiru ccy gbm hai amin no ld d6ng ding kC titip nhau trong ddy d6ng ding c6 ti kh6i so v6i Hz
bing 19 vd4,02 gam hai mu6i. Gi6 tri ctra m gfrn nh6t v6i gi6 trf ndLo du6i ddy?

L.4,2. 8.3,2. C. 3,5. D.4,0.

CAu 37: Thuy pi6n hodn todn ctr6t nfru co E m4ch hcr bing dung dich NaOH, thu dugc 4 sin phAm hiru

co X, Y, Z, i d6u c6 2 nguyOn tu cacbon trong phdn tt (Mx > Mv > Mz > Mr). Bitit E t6c dpng vtra dtr

v6i NaOH theo ti lQ 1 : 3,id oxi h6a kh6ng hodn todn ZhoQc T dOu c6 th6 thu dugc axit axetic.
Cho c6c ph6t bi6u sau:

1a) T6.nS s6 nguy6n tir trong mQt phAn ftEbing24.

(b) DOt ch6y hodn todn X kh6ng thu dugc HzO.

(") O AiC, kiqn thucrn g, Z ldch6t 16ng cdn T ld ch6t khi vd ddu tan rNt6ttrong nu6c.
(d) Trong Y c6 3 nguyOn tu oxi.

SO ph6t bi6u dring ld

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

Cffu 38: O6t chay holrn todn m gam h5n hqp E g6m hai este m4ch hcv X vd Y (d6u tpo bcri axit
cacboxylic vd ancol; Mx< Mv< 150), thu dugc 0,08 mol khi COz. Cho m gam E ttic dpng vira dtr v6i

dung dich NaOH, thu dugc mQt mudi vd 1,26 gam h5n hqp ancol Z. Cho todn bQ Ztac dpngv6i Na du,'

thu duo. c 0,02 mol khi Hz. PhAn trdm thOi tuqng Y trong E ld

(d) _{C6 th6 thav}a""g ai.f' NaCt bdo hda bang dung dich NaOH bdo hoa'

i;; ;E il;;;at;rrf, ,i"e cao hcvn non dtng dung dich axit axetic t'o/o'

56 ph6t bi€u khAng ilfingld _{r 2} _D.Z.

A.4. B' 5' C' 3 '

HET

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