hop chat htru eo da chirc trong phan tu c6 chira d6ng thoi nh6m cacboxyl COOH va nh6m amino NH2.. hop chat htru eo don clnrc trong phan tu c6 chira nh6m chirc cacboxyl COOH.[r]
(1)DE KIEM TRA 45 phut; MON HOA H()C KHOI 12 LAN Ma d~ thi (30 diu trtic nghiem) 485 Cau 1: Po~ipeptit (-NH-CH2-CO-)n la san pharn cua phan tm~ trung ngung (A) glyxm B alanin axit p-amino propionic D axit glutamic V@ cV{ ceo r< I 't 2- M1 - CHNH2 - COOH Ten goi nao sau day cua (X) la sai? 'ZA Axit p-aminoproionic B Axit - aminopropanoic cri Axit a-aminop,roionic , , D Alanin U _ ~ ~ Vf Ca 3: Alanin eo the phan irng voi tat ea cac chat day nao sau day? C3 ~ t Dung dich HCI, dung dich NaOH, CH)OH/HCI(khi) B Dung dich Ca(OHh, dung ~ich H2S04, NaCl e Dung dich HCI, Cu, CH)NH2 D CaCO), KCI, dung dich HNO) VCau 4: Co cac phat bi~u sau : (! Trung ngung buta-l,3-dien voi stiren eo xuc tac Na duce can su buna-S / Poli(etylen terephtalat) duce diSu chS bangphan irng trung ngung cac monome tuong irng / Cac dung dich : axit axetic, glixerol, dipeptit deu hoa tan diroc Cu(OHh Dun nong cac dung dich glucozo, fiuctoza, mantoza voi Cu(OHh moi tnrong kiem dSu xu§.thien kSt tua gach /' Dung dich@.in lam quy tiro hoa ~ ~ Anilin la mot bazo nhung no kh6ng lam d6i mau phenolphtalein ~ Cau 2: Amino axit (X): CH3 P Nhorn g6m cac phat bi~u dung la: (4),(5),(6) ~(2),(4),(5), (6) rJ~ C 2),(4),(6) C~: Anilin eo phan irng voi dung dich 2~HCl B NaOH L2J e NaCl D (1),(2),(3),(4) D Na2CO) '(Cau 6: Cho cac po lime : (1) polietilen, (2) poli(metyl metacrylat), (3) polibutadien, (4) polistiren, (5) poli(vinyl axetat) va (6) to nilon-6,6 se polime dSu bi thuy phan dung dich ~a A.6 . .- C.5 *'a" "": ong thO'c cua-mQt marxictlpolimet~ a ~ri:6 I - A C6H110N B C6H90N C C6N2HIOO dung dich kiem la D /~'otr2:C.,=-O~_~ lI1'""\-l -&([;l.-( D C6H1302 'z au 8: Hop chat hgu eo X eo cong thirc phan tu la ~)H70tL BiSt X tac dung diroc voi dung dich NaOH, dung dich HCI va lam mat mau dung dich bromo Ten goi cua X la c.[CO@1)I\M.LI ~-CM Vmf'l14 A Glyxin B amoni propionat e Alanin D amoni acrylat CZH ~ Cau 9: Thu6c thir nao duoi day nhan biSt duce t§.t ea cac dung dich cac ch§.t day sau : long trang tnrng, glucozo, glixerol va h6 tinh bot A Dung dich AgNO)!NH3 e U(OH)2/OH- B Dung dich lot D Dung dich HNO) dac \ Gau 10: Ung voi cong thirc han tu C4H902N eo ban nhieu a - amino axit la d6ng phan du tao cua nhau? A i Jm e B , D 4, , etylamin (C2HSNH2) tac dung ~~u voi axit HCl Kh6i hrong muoi thcduQ'C la A 8,10 gam B 7,65 gam ~,15 gam D 0,85 gam 1J~ ~2- -I cs 2: Trung hop 5,6 lit C2H4 (dktc), nSu hieu su§.tphan irng la 90% thi khoi hrong pclime jhu d!!~c A ,3 gam D(I ) B 7,3 gam e '~,3 gam D 5,3 gam l, z; , I ~ Cau 11: Cho 4,5g (j It -Jp 1?~H~NA3r Cau 13: Amin b~c mot don chirc X tac d\l11gvira du voi 60 ml dung dich HCI 0,1 M thu duce Amin X la ' ~ C~ CY13 0-~ A Etanamin , B Benzenamm e Propanamin @rv:etanamin , N: N-\ ~.~ 0~-C}l ,i6~am muoi, Cau 14: CU mat xich cua P C phan irng voi phan tu cIo tao to cIorin Phan tram khoi IUQ'ngcIo rang to cIorin la A.56,8% B 66,8% e 79,7% D 73,2% ~:: cM.- y Cau 15: Cho sa d6 chuyen hoa sau: Alanin +CHPH I H X +NH) y HN02) Z Ch§.tZ la ~ A CH) -CH(OH) - COOH (~GODr{ CH) - CH(OH) - COOCH) H2N - CH(CH)) - COOCH) V D;-H2N - CH2 - CO?CH) , Cau 6: Thuy phan khong hoan toan tetrapeptit Ala-Gly-Gly-Phe San pham dipeptit khong the thu dUQ"C la A ly-Ala B Ala-Gly C Gly-Phe D Gly-Gly 0- Trang 112 - Ma d~ thi 485 (2) Cau 17: Dung dich ch~t ta~o him qui tim chuyen sang mau x~? A CH3COOH ~CH3NH2 C H2N:Cl-h - CO OH D C6HS H2 ./Cau J 8: Cho cao su thien ?hien tac dung vdi HCl thu dU<;1c m_~\~Jo~imechiia 2Pt?8% clo S6 m~t xich cao su tham gia phan irng vdi -phan tll Hel la A.4 C-~ y{ _Cc 3-f t1~ J ® Cau 19: Co cac dung dich rieng biet sau: C6H5- H3C1(phenyl~~oni cIorua), H2N-CH2-CH2-CH(NH2)-COOH, CIH3N-CH2-COOH, HOOC-CH2-CH2-CH(NH2)-COOH, H2N-CH2-COONa -S6 dung dich c6 pH > a 25°C la A B.2 -C f,cau 20: C6 cac nhan x~t sau: " (1) Peptit la hop chat duce hinh tu den 50 goc a - amino axit / (2) T~t ea cac peptit d~u phan irng mau biure (3) Tu a- amino axit chi c6 th~ tao tripeptit khac (4) Khi thuy phan hoan toan peptit bang dung dich kiern, san pham se c6 phan irng mau biure (5) Lien k~t cua nh6m CO voi nhorn NH gitra hai don vi amino axit diroc goi la lien k~t peptit / (6) Trong phan tu peptit mach ha, s6 lien k~t peptit bao gio cling bang s6 g6c a - amino axit S6 nhan xet dung la A B C D @ Cau 21: Amin bac hai la chat C H2N - [CH2]6- NH2 A C6H5NH2 B C2HS- CH(C2Hs) - NH2 C2Hs - NH - C2HS Cau 22: Phat bi~u nao sau day la dung? Amino axit a A hop ch~t htru cc don chirc phan tu c6 chira nh6m chirc amino (NH2) B hop chat htru eo da chirc phan tu c6 chira d6ng thoi nh6m cacboxyl (COOH) va nh6m amino (NH2) C hop chat htru eo don clnrc phan tu c6 chira nh6m chirc cacboxyl (COOH) IOC;li hop ch~t hiru eo tap chirc ma phan tu chira d6ng thoi nh6m cacboxyl (COOH) va nh6m amino (NH2) Cfiu 23: Ch~t khong eo kha nang tham gia phan Ung}~ng hop la A stiren B propen \S)toluen D isopren Cau 24: To nilon - 6,6 duce di~u ch~ bang phan irng trung ngung HOOC-(CH2h-CH(NH2)-COOH B HOOC-(CH2)4-COOH va HO-(CH2h-OH C HOOC-(CH2)4-COOH va H2N-(CH2)6-NH2 D H2N-(CH2)S-COOH Cau 25: Polime X c6 phan ' khoi M = 280.000 u va d(>po lime h6a n =10.000 X la A poli(vinyl cIorua) B ~olietilen cM~:::U1 C (-CF2-CF2-)n' D polipropilen C,au 2~: Pept~t c~ co~g thirc eau tao nhu sau: H2 -CH(CH3)-CO-~H-CH2-CO-NH-CH5frh)-~OOH dung cua peptit tren la ~N - ~ COlDM-{ { Cl A Gly - Ala - Gly B Ala-Ala-Val, ~'la-G1y-Ala D Gly- Val-Ala '/cau 27: Ch~t X la HOOC-CH(CH3)-NH-CO-CH2-NK Mot s6 phat bieu v~ X nhu sau : (1) X la dipej2tit tao tu alanin va glyxin /' (2) (3) (4) (5) Ten goi X c6 ten la alanylglyxin (Ala-Gly) / X c6 phan irng mau biure / X lam qui tim ~m hoa Dun n6ng X tro dung dich 1du d~n phan irng hoan toan duce h6n hop hai a-aminoaxit S6 phat bieu dung la C Cftu 28: Trang thai va ti tan cua cac amino axit la A Ch~t r~n khong tan mroc B Ch~t long d~ tan.trong.nuoc Ch~t r~n d~ tan ruroc D Chat long khong tan mroc r~m Cau 29: D6t chay hoan toan m gam mot amino axit X (X chira mot nh6m NH2 va C OH) thu 9U9'C 0,3 mol CO2, 0,25 mol H20 va 1,12 lit N2 (dktc) X la 13~~1 L ·(j,D eJ Hr A H2N-C2H4-COOH B H2N-CH2-COOH C H2N-C= C-C,OOH ~H2N-C2H2-,COOH Cau 30: Trong cac polime hoac v~t lieu polime sau : (1) poli(metyl metacrylat); (2) polistiren; (3) nilon,-7; (4) ta~; (5) nilon-6,6; (6) poli(vinyl axetat) Nh6m c6 cac polime la san ph~~~a phan irn t' n ung la : A (3), (5) -B (1), (3), (6) C (1), (2), (3) &3), (4), (5) - H~T Trang 2/2 - Ma d~ thi 485 (3)