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Tinh b6t, amoni gluconat. Xenlulozo, axit gluconic.. c' 3' D' 4'A. Ciu2}zsonnomhidroxylGoH)trongph6nttrglucozod4ngm4chhdld.[r]
(1)(Thi sinh khong daqc sa dryng tdi li€u) Hg, t€n thi sinh: Mfr s5:
chobi6tnguyonttkh6i ctacircnguy6nt6: H:1;Hs:4;c= t2;N:14; o:t6; Na:23:Mg=24:Al: 27;$:32;Cl:35,5;K:39; Ca:40;Cr=52;Mn=55;Fe:56; Cu:64;Zn:65;8r:g0;Ag= t0g; 86:
137
C6c th6 tich cl6u tto o di6u ki6n ti6u chuAn, gi6 thiiSt cdc sinh kh6ng tan nu6c
Ciu l: Cho vdi mAu nh6 canxi cacbua vdo 6ng nghiQm dd c6 s6n 1 ml nu6c vd day nhanh bing nrit c6 6ng ddn khi, sau ph6n img c6 khi X sinh Khi X ld
A Etilen B Etan C Axetilen D Metan
Ciro 2: Ch6t x dugc t4o thdnh cdy xanh nho qu6 trinh quang hqp X kh6ng tan nu6c lanh nhung tan nu6c n6ng tao dung dich keo Thriy phdn X nho xric tric axit ho6c enzim,thu auqc ch6t Y oxi h6a Y bdng dung dich AgNo:A.{H: du thu ouqc ct6t hiru ccy z chhi;;2 6, lu",
A Tinh b6t, axit gluconic B Tinh b6t, amoni gluconat. C Xenlulozo, axit gluconic D Xenlulo ro, u oiigluconat. Cf,u 3: Dung dfch ch6t ndo sau d6y hoa tan duoc Al2O3?
Ạ KNO3 B KOH C K:SỢ D, KCL
CAu 4: Natri hidrocacbonat duoc dung y hoc, cdng nghe thuc ph6m, ch6 tao nuoc gidi khrit COng thric h6a hoc cria natri hidrocacbonat ld
A NaHCOr B NaOH C Na2CO3 D NaNO:.
Ciu 5: C6ng thric cira tristearin ld
A (CrzH:rCOO)3C3H5 B (CIsH:rCOO)3C3H5.
C (CrzH::COO)3C3H5 D (C17H35COO)3C3H5.
Ciu 6: Khf ndo sau ddy gdy rahiQn tuqng mua axit?
A CH+ B NH: C CO D SOz
Ciu 7: Este etylfomat c6 miri t6o, c6ng thric cta etylfomat ld
A HCOOCH: B CH3COOCH3 C HCOOC2H5 D HCOOCH:CH2. C0u 8: Kim loai ndo sau d6y chi c6 s6 oxi h6a +1 hqp chdtZ
A Ca B Fe C K D Al.
ciu 9: chdt ndo sau ddy duoc dung d6 khri chua d6t n6ng nghi6p?
A Ca(OH)z B CaSO+ 2HzO C CaO D CaCOr.
CAu l0: Ch6t ndo sau ddy tdc dung v6i dung dich NaOH tqo raktit tr:a mdu tring hoi xanh, dE ho6 n6u kh6ng khi?
A Fez(SO+): B FeClz c Fecl3 D Feo.
Cflu 11: KCt luan ndo sau ddy sai?
A Trong m6i tru^crng axit, FeCl3 kh6ng ph6n tmg dugc v6i KMnOq. 1 Ir,., Mg'*, Al3* c6 cung c6u trinh etectron va?cu c6 tfnh o*it oa ycu
C E b6o vQ vo tiu bi6n ldm bdng thdp, ngudi ta gin vdo mdt ngodi vo tiru phAn chim du6i nu6c nhfrng t6m k6m
D Trong tu nhi6n, c6c kim lo4i ki6m chi t6n tpi o d4ng hqp ch6t
TRIION B6N EE THI rH(} 16rvr6u rnr TIIPT H8CN HqC 2020
Thdi gian ldm bdi: 50 philt; (40 cdu trdc nghiQm)
(2)Ciu 12: Kim lopi nlro sau ddy c6 tinh khir mAnh ntrAtZ
A Al B Me C' Na' D' Fe'
c6u 13: Cho X ld mQt hqp ch6t
"iru ,at c6 dpc diem ld
kh tan vdo dung dich HzSOa loang du thi t}o ra
;"*fu-r 3i3;;""g dich Y vtra c6 khn nang hda tan Cu, vria c6 kh7 ning ldm m6t mau dung dich KMnỢ X ld
A" FezO: ho4c Fe:Ợ B' FeÓ
C Fezor D' Ferớ
Ca" ra, it 6t
"o ttr6 tam m6m c6
nu6c c6 tinh cimg t4m thcri vd nu6c c6 tinh cfing vinh ciru li A CaClz B NazCOr c' ca(oH)2' D' NaOH' Cflu 15: Ch6t nio sau ddy phdn tir chi c6 c6c 1i0n ttlt dcvnt
A Etan B Benzen C' Etilen' D'"Propin'
cf,u 16: Hodtan m gam A1 btoig dung dich Hzso+ 1o6ng, du thu dugrc 3 36litBz Gt dktc)'Gi6tri cita
mli
A.4,05 B 1,35 c.5,40 D.2,7
Cffu 17: Kim lo4i niro sau ddy kh6ng t6c
A Fe B.Ag.
C0u 18: Kim lopi niro sau ddy vtra phin
A Fe B.Ag.
dsng v6i dung dich Fez(SO+):?
C.Mg D' Al'
img dugc vcvi HCI vua t6c dung voi dun-s dich NaOH?
C Cu D' A1
CAu 19: Dun n6ng m gam dung dich glucozo n6ng dQ 20o/o voi lugng
khi phin img xiy ia hol todn thu duoc 6,48 gam Ag' Gi6 tricua m lir
A.5,4 8.27,0 c' 1o'8' Cflu 20: Ph6t biOu nho sau dAY dring?
A Alanin t6c dung v6i nu6c brdm tao k6t tua tring'
B Thiry phdn hodn tohn anbumin thu dugc h5n hqp o-aminoaxit'
du dung dich AgNOy'I'IH: Sat
D.54,0.
C Phdn tu Gly-Ala-Val ld dipeptit'
D Etylamin li chAt khi, c6 miri khai it tan nuoc'
Iuoc diAu ch6 bing phin
cfru2l:cho c6c loai to sau: nitron, visco, xenlulozo axetat, nilon - 6,6' 56 to c
img trung hqp ld
A 1 8.2 c' 3' D' 4'
Ciu2}zsonnomhidroxylGoH)trongph6nttrglucozod4ngm4chhdld
A 3 B.4 c' 6' D' 5'
cffu 23: Ch6t nio sau d6y t6c dgng v6i AgNO3A{H: thu dugc k6t ttra virng?
A Axit axetic B Etilen' C' Axetilen' D' Etanol'
ciu2qzCho mQt Fe vdo 200 ml dung dich AgNO3 n6ng dQ aM K6t thric ph6n tmg kh6i lugng Fe tdng 2,16 gar.rr Gi6 tri cira a ld
A.0,27 B 0,54
Cflu 25: CFp chdtndo sau ddy cung t6n t4i dung dich?
A NaAlOz vi NaOH B' AlCl3 vi KOH'
C NazS ue F"Clr D' NH+CI vd NaOH'
Cia26zC6c b6 dlmg nu6c v6i trong aO tau ngiy thubng co mQt lcrp mdng cimg r6t m6ng tr6n b0 m{t' ch?m nhg tay vio d6, lcrp mdng sE vd ra ffranfr pnAn chinh ctra lcrp mdng cimg ndy ld
A.CaClz'B.CaCol.C.Ca(oH)z.D.Cao.
Chu2izffranf, phAn chinh cira quflng hematit chria ch6t nao sau ddy?
Ạ FeCOr B FezO:' C' FeSz' D' FesỚ
Cffu 28: Dung dich nio sau ddy ldm quj'tim chuyOn mdu do?
Trang 214'MddO thi 357 c.0,135.
\
(3)A CoHsOH B CH:COOH c (CH3)2NH D HNCHzCOOH.
Ciu Z9z DAn V lit h6n hqp kf.ri g6m CO.vd.Hz di qua lucrng du FezOr,.CuO nung n6ng Sau khi c6c ph6n img xhy rahodLn todn, t<trOi tuqng chdtrin gittm6,4 gam so v6i ban dAu Gi6 trf ctra V (dktc) ld
A.8,96 8.4,48 c.3,36 D.2,24.
Cflu 30: Lysin co c6ng thric ndo sau d6y?
A H2N-[CHz]+-CH(I'{H2)-COOH B' HN-CHz-COOH'
C CH3-aH6NHry-COoU D HOOC-[CHz]z-CH(NH2)-COOH
Cffu 3l: Khi thuy ph6n hodn toin 65 gam mQt peptit X thu d:ugc 22,25 gam alanin vd 56,25 gam glyxin.
xla
A tripeptit B dipeptit C pentapeptit D tetrapeptit"
Ciu 32: Ch6t X (CsHr+ON2) ld mu6i amoni cira mQt o-amino axit; ch6t Y (CzHroOaNa, mQch h0) le -rai ,**i .t u ,rip.ptit cho m gam h6n hqp E g6m { "* v t6c dgng trtit voj lugng du NaoH thu
il;;ffi#H;;-ea* rr"i"rii, "" ia abnsoE"e rc ticp nhau trong ddy d6ng ding c6 ti kh6i so
,Oi n, bang 19 vit 4,02 fam hai mu6i Gi6 tri cira m gAn ntr6t vdi gi6 tri ndo dudi ddy?
A.4,2 B.4,0 c.3,2 D' 3,5'
CAu 33: H6n hqp E g6m hai este dcrn chfc, ld d6ng phdn c6u t4o vir d6u chira vong benzen oot chay
hodn todn n gu* f c[n vtra di 0,27 mol Oz (dktc), thu dugc 0,24 mol COz vd 0,12 mol H2O Dun n6ng m gam E v6idung dfch NaOH du thi c6 tdi da 0,05 mol NaOH ph6n img, thu dugc dung dfch T chria 5,{gamhSn hqp Ul mu6i Kh6i luqng m,r6i cira axit cacboxylic T ld
A,2,8 gam, B 3,08 gam'
C.2,32 gam D 2,8 gam ho{c 3,08 gam'
Ciu 34: Cho c6c ph6t bi6u sau:
f"ifUO, s6 este comui thcrm, kh6ng d6c, duoc dung lam chAt t4o huong cdng nghiQp thyc phAm' (b) Md bd, lcrn, gd , dAu lac, dAu rtng, dAu liu, c6 thenh phAn chinh ld chAt b6o
(c) Glucozo dung ldm thu6c.tdng lqc cho ,rgucri 6m, c6 m6u nguoi vdi ndng d0 hAu nhu kh6ng
d6i t%.
(d) C6c aminoaxit thi6n nhi6n ld nhirng hqp ch6t co so d6 kitin tqo n6n c6c loai protein cita co tho sdng (e) C6c lo4i tcr amit kh6 bdn m6i trudng axit ho{c bazo'
56 ph6t bi6u dring ld
A s B.3 c.2 D' 4'
Ciu 35: Cho c6c ph6t biOu sau:
(a) Cho bQt Fe vdo dung dfch AgNO3 cho sirn P.hAm FeQ'{O:)z' (b) Dun n6ng nu6c cimg toin phdn thu dugc k6t ttta
i.j frong qu7 trinh diq;phan dung dich NaCl, catot x6y ta qudtrinh khu ion Na* ial ffqp tim ctra nh6m nhg, bAn kh6ng khi vd nu6c
(e) DO s6t kh6ng khi 6m c6 xdy dn mon diQn h6a'
SO ph6t birSu dring ld
A.4 B 5 c.2 D' 3'
Ciu 36: Thiry phdn hodn todn cfr6t triru ccr E mach ho bing dung dich NaOH, thu dugc sdn phAm hffu
coX,Y,Z,Td6uc62nguyOnttrcacbontrongphintil(N&,M">M7]Mr).gi6tpt6cdpngviradir
v6i NaOH theo ti lq 1 : 3, va oxi h6a kh6ng hoan todn ZhoQcT d6u c6 the thu dugc axit axetic Cho c6c ph6t bitiu sau:
(a) T6ng s6 nguyOn tir mQt phdn tu E bing 24 (b) EOt ch6y hodn toirn X kh6ng.thu duoc HzO
t"j O Oia, f.i6n thulng, z A ciatl6ng con T ld ch6t khi vd dAu tan ratdttrong nu6c
(d) Trong Y c6 nguy0n tt oxi' Sd ph6t bi6u dung ld
A 4 B 3 c 1 D.2.
(4).+
Cffu 37: Cho hidrocacbon X m4ch h6, la cn6t mri o di6u kiQn thucrng ph?n img hoan todn v6i H2 du, Ni t0 thu dugc CH:-CHz-CHz-CH3 56 c6ng thric c6u t4o cira X thoa m6n di6u kign ld
A.9 B.8 .c.7 D.5.
c6u 38: Titln hdnh thi nghiQm di6u ch6 etyl axetat theo c6c bu6c sau d6y:
Bu6c 1: Cho lan tuqt vdo 6ng nghiQm ml CzHsOH, ml CH:COOH vd 1 giqt HzSO+ d[c'
Bu6c 2: LEc d6u Dun c6ch thuy (trong ndi nu6c n6ng) khoang - 6 phrit nhi0t d0 65 - 70oC
Bu6c 3: Ldm 14nh r6i 6t thQm vdo 6ng nghiQm ml dung dich NaCl bdo hda Cho c6c oh6t bi6u sau:
(a) O bu&c c6 thd dun nhg trOn nggn lua ddn c6n ( kh6ng <Iun s6i) iU) Su" th6m dung dich NaCl bdo hda, ch6t long t6ch thdnh 2lW. (c) C6 th6 thay dung dich HzSO+ d{c bdng dung dich HzSO+ lodng iOl CO th6 thay aunE Aicn NaCl bdo hda bSng dung dich NaOH b6o hda (e) DC hiQu su6t ph6n img cao hcrn n6n dtng dung dich axit axetic l5oh 56 ph6t bidukhhng drtngVt
A.4 8.5 c.3 D.2.
Cffu 39: OOt chay hoirn toin m gam h6n hqp E g6m hai este mach hd X vd Y (dAu t4o bdi axit
cacboxylic vd anc6l; Mx< Mv< tSO;, thu dugc 0,08 mol khi CO2 Cho m gam E t6c dpng vira dri v6i dung dich NaOH, thu dugc mQt mu5i vd.l,26 gam h6n hqp ancol Z Cho todn b0 Ztirc dtlng voi Na du, thu 6ugc 0,02 mol khi H2 PhAn trdm kh6i luqng Y trong E ld
A.4g,58o 8.62,28oh C'30,30o/o ' D'29'63yo '
Ciu 40: H5n hqp X g6m axit oleic vd triglixerit Y (ti lQ mol tucrng ,mg 1 : 2) D5t ch6y hodn todn mQt luqng h6n hqp X
"A".rou dir 1,785 mol bz, thu dugc 1,28 mol COz vd
1,15 mol HzO Mat kh6c, cho Zg,gi gam X trOn t6c dpng t6i da v6i x mol Br2 dung dich Giri tri cira x lir
A.0,130 B 0,180 c 0,135 D.0,090'