540.76 H561D TH! OANH (Chu bien) - PHAM HONG BAC -OOAN CANH GIANG PHAM VAN HOAN -TRANTRUNG NINH -OANGTRAN XUAN HUONG DRN ON LUV6N THI TttUNG HOC PHO THONG QUOC Gin NHA XUAT BAN OA! HOC SU PHAM D A N G T H ! OANH (Chu bien) PHAM HONG BAG - DOAN OANH G I A N G P H A M VAN HOAN - I R A N TRUNG NINH D A N G T R A N XUAN * HJONG DAN ON LUYEN THI TRUNG HOC PHO THONG QUOC GIA MON HOA HOC • N H A XUAT BAN DAI H O C S U PHAM UNIVERSITY naONG OF EDUCATION PUBLISHING HOUSE DAN ON luvfN THI TRUNG HOC PHO THONG QUOC GIA M O N HOA HOC Dang Thi Oanh (Chu bien) - Pham Hong BSc - Doan Canh Giang Pham Van Hoan - Tran Trung Ninh - Dang Tran Xuan Sach duac xuat bin phuc vu viec on luyen thi trung hoc thong quoc gia tCf nam 2015 IMa so sach tieu chuan quoc te: ISBN 978-504-54-2245-8 Ban quyen xuat ban thupc ve Nha xuat ban Dai hoc Su pham Moi hinh thijfc chep toan bp hay mot phan hoac cac hinh thufc phat hanh ma khong c6 sU cho phep trUcrc bang van ban cua Nha xuat ban Dai hoc Su pham deu la vi pham phap luat Chung tdi Iu6n mong muon nhdn ttugc nhCing y kien ddng gdp cua quy vi S6c gid desdch ngdy cdng hodn thi^n han Moi gdp y ve sdch, li^n h^vebdn thdo vddich vu bdn quyen xin vui Ibng gCli ve ilia chlemail: kehoach(g'nxbdhsp.edu.vn Ma so: 01.02.174/900 - TK 2015 MUCLUC •- "uaiHT j6lOl6j - , Trang LOl GlOl THIEU Ldl NOI DAU Phan mot DjNH Hl/CiNG CHUNG Kl THI TRUNG HOC PHO THONG QUOC GIA Phan hai CAC CHUYEN DE ON LUYEN Chuyen de NGUYEN TL/, LIEN KET HOA HOC, B A N G T U A N HOAN CAC NGUYEN TO HOA HOC Chuyen de Ll' THUYET VE S U DIEN LI VA PHAN L/NG HOA HOC 16 Chuyen de M O T SO DON CHAT TIEU BIEU vA HOP CHAT CUA CHUNG 28 PHI KIM 28 KIM LOAI 39 Chuyen de CAC HOP CHAT VO CO 64 Chuyen de DAI C U O N G VE HOA HOC HOU CO - HIDROCACBON 86 Chuyen de ANCOL-PHENOL 112 Chuyen de ANDEHIT - AXIT CACBOXYLIC 120 Chuyen de ESTE - LIPIT 131 Chuyen de AMIN - AMINO AXIT VA PROTEIN 143 Chuyen de 10 CACBOHIDRAT - POLIME VA VAT LIEU POLIME 156 Phan ba MOT SO DE THI THAM KHAO 168 DE SO 168 DE S 182 DE 3 188 DE SO 199 DE SOS 207 LCJI G l d l T H I E U Thyc hien QuySt djnh s6 3538/QD-BGDDT 09/9/2014 ciia Bo tmong B6 Giao due va Dao f^o phe duyet phuong an thi t6t nghiep trung hoc thong va tuyen sinh dai hoc, cao dang t u nam 2015 (goi la k i thi trung hoc thong quoc gia), huang t a i viec thuc hien doi m a i chuang trinh va sach giao khoa, Nha xuat ban D a i hoc Su pham to chiic bien soan va phat hanh bo sach Huong dan on luyen thi trung hoc thong quoc gia gom cuon, tuong ung v d i mon: Toan, N g u van, Tieng A n h , Vat l i , Hoa hoc, Sinh hoc, Lich su va Dia l i MO m Bp sach cac tac gia la giang vien uy tin cua Truang D a i hoc Su pham Ha N o i , giao vien gioi a tru'ong tnang hoc tliong va mot so can bo ciia cac ca quan chuyen mon nhung nguai c6 nhieu kinh nghiem tham gia cong tac tuyen sinh ciia Bo Giao due va Dao tao - bien soan bam sat Chuang trinh giao due trung hoc thong, huong toi doi mai phuang phap day va hoe Cau true m o i cuon sach gom ba phan: Phan mot: D|nh hirong chung k i thi trung hoc thong quoc gia Phan hai: C a c chuyen de/noi dung on luyen Cac chuyen de/npi dung on luyen duac bien soan doi m a i theo huang danh gia nang lire, bam sat quy dinh cua Bo Giao due va Dao tao ve cau true de thi, c6 phan torn tat l i thuyet, yeu cau ve bai tap/cau hoi van dung, cac bai tap/cau hoi mau va huang dan on luyen Phan ba: Mot s6 de thi tham khao n iu 10 r Cac de thi eo dap an hoac huang dan tra l a i Hoe sinh nang cao dugc k i nang ren luyen thuc hien tron ven mot de t h i thai gian quy dinh; mot mat luyen kha nang giai bai tap, giai quyet van de, mat khae he thong hoa dugc cac kien thuc va k l nang can thiet ^ cho k i thi trung hoe quoc gia Cling voi bo sach tren, Nha xuat ban Dai hoc Su pham tiep tue gidi thieu va phat hanh bp sach Boi duong, on luyen thi trung hoc thong quoc gia theo bg cte gom cuon, tuang i m g v a i mon (Toan, N g i i van, Tieng A n h , Vat l i , Hoa hoc) phue vu hoc sinh on luyen thi trung hoc thong quoc gia mot each hieu qua , ar- D p i ngii giao vien thong c6 the su dung sach de huang dan hoc sinh on luyen kien thuc, k i nang theo huong tiep can nang lire mot each c6 he thong nham dat hieu qua cao nhat k i thi trung hpe thong quoc gia, bat dau thuc hien tir nam 2015 Xin trdn gioi thieu! NHA X U A T BAN D A I H O C SU P H A M Ldl NOI DAU Cu6n sach nhim dap ung nhu cSu ciia hoc sinh viec on luyen thi trung hoc thong quoc gia mon Hoa hoc Noi dung cu6n sach g6m ba ph^n, dugc cac tac gia bien scan theo huong doi mai ve hinh thurc va noi dung, dong thod huang tai nhung tai lieu boi duong giao vien ohung nam sau Phdn mot la dinh huong chung cua ki thi trung hoc thong quoc gia mon Hoa hoc; Phdn hai la cac chu de on luyen, moi chii de gidi thieu mot so bai toan chon loc kem theo hudng dan giai, khai quat nhung nhan xet va mot so bai tap on luyen c6 hudng dan giai hoac dap so; Phdn ba gidi thieu mot so de thi tham khao c6 hudng dan giai Noi dung Phdn hai gom 10 chuyen de: , • Chuyen de Nguyen tu, lien ket hoa hoc, bang tuan hoan cac nguyen to hoa hoc • Chuyen de Li thuyet ve sir dien li va phan ung hoa hoc • Chuyen de Mot so don chat tieu bieu va hop chat ciia chiing • Chuyen de Cac hop chat v6 ca • Chuyen de Dai cuang hoa hoc huu ca - Hidrocacbon • Chuyen de Ancol - Phenol • Chuyen de Andehit - Axit cacboxylic • Chuyen de Este - Lipit • Chuyen de Amin - Amino axit va protein • Chuyen de 10 Cacbohidrat - Polime vk vat lieu polime Trong mdi chuyen d6, cac tAc gia tiinh bay thong nhat theo cic muc: Tom tat li thuyet ca ban; Mot s6 bai tap tu luan; Mot s6 bai tap trac nghiem khach quan; Dap an va hudng dan giai Noi dung on luyen thuoc phan Hod hoc va cac van de kinh te, xa hoi, moi trudiig dugc dua vao, long ghep tung chuyen de, khong tach muc rieng Cu6n sach la mot tai lieu tham khao cho cac thSy, c6 giao giiip hoc sinh on luyen mon Hoa hoc cho ki thi trung hoc thong quoc gia Tap the tac gia mong muon nhan dugc nhung gop y ciia dgc gia de nang cao chat lugng cuon sach Cac y kien gop y cho cuon sach xin giii ve dia chi: Phong Bien tap, Nha xuat ban Dai hoc Su pham, Trudng Dai hoc Su pham Ha Noi S6 136, Duong Xuan Thuy, Quan Cau Gi^y, Thanh ph6 Ha Noi Cac tac gia Phan m o t D!NH H U d N G C H U N G Kl T H I T R U N G H O C P H O T H O N G Q U O C G I A MON HOA HOC Ngay 09/9/2014, B6 truong Bp Gi^o due va Dao tao da ban h^nh Quyet dinh so 3538/QD-BGDDT ve viec phe duyet phuong an thi tot nghiep trung hoc thong tuyen sinh dai hoc, cao dang tir nam 2015 (goi la ki thi trung hoc thong quoc gia), quy dinh thi sinh phai thi mon toi thieu gom: mon bat bugc la Toan, Ngu van, Ngoai ngir va mon tir chon cac mon Vat If, Hoa hoc, Sinh hoc, Lich sir va Dia li Ngoai mon thi noi tren, thi sinh c6 quyen dang ki thi them cdc mon thi iai ciia ki thi de six dung cho viec dang ki tuyen sinh dai hoc, cao dang theo yeu cau ciia cac ngknh d^o tao tung truong dai hoc, cao dang quy dinh De an tuyen sinh cua truong .» De thi trung hoc thong quoc gia nam 2015 mon Hoa hoc se c6 cdu true tucmg tu nhu d6 thi t6t nghiep trung hoc thong va de thi tuyen sinh vao dai hoc, cao dang nam 2014 De thi se bdm sat chuong trinh trung hoc thong, chu ylu 1^ lop 12, tang cuang phan hod va c6 nhieu cau hoi ma De thi c6 phan kiem tra kien thiic ca ban, dCing de xet tot nghiep; va phan nang cao, diing de sdng loc thi sinh tuyen sinh vko cdc truong dai hoc, cao ding ^ Be thi noi chung se dam bao ca b6n miic dp nhan biet, thong hieu, van dung, van dung cao Npi dung de thi doi hoi hpc sinh van dung kien thicc tong hap, lien mon de lam bai, giai quyet cac van de hen quan den thuc tien cupc s6ng Cong tdc dk thi tiep tuc dupe doi mai theo huong ddnh gid ndng luc nguai hoc, tang dan cdc cdu hoi a muc van dung, cdc cdu hoi ma; npi dung cau hoi chii trpng hinh pham chat, nang luc ciia hpc sinh; de thi se tang dan yeu cau van dung kien thuc tong hop, lien mon tir de den kho D£ thi mon Hoa hpc a dang trac nghiem khach quan vai thai gian lam bai la 90 phut . Chon D Cau 44 ->nC02 +nH20 18 => n = 2,4 => hai anken la va CjHe => ^n^^H^ = 60%; %n^^^^^ = 40% ^ Ba ancol la: C H O H ; C H - C H - C H - O H ; CH3-CH(OH)-CH3 Xet mol hon hop X: C2H4 •^ajH^OH ~ Cau 46 '^CHjCH^CH^OH ~ ^ ' '^CHjCHCOHjCH, ~ y x + y = 0,4 x + , _ =>x = 0,l;y = 0,3 y "3 0,3.60 100% = 34,88% ^ Chon B %m,CH3CH(0H)CH, 0,6.46 + 0,4.60 Au + 4H" +N0; —> Au'^ + N + 2H2O 3Ag+ 4H^ +NO; 3CU+8H* + N O —> 3Ag^ + N + 2H2O 3Cu'^ +2NO+4H2O Goi nAu= x; nAg= y; ncu= z (mol) Ag+cr—>AgcU y y •l97x + 108y + 64z = 47,8 x = 0,2 V 2z y = 0,0f x + -3 + — = , => m A u = 39,4 ( g ) ^ Chon D y =0,06 Cau 47 K^Cr^O^ +2Ba(OH)2—> 2BaCrO, i + 2KOH + H2O 0,05 0,1 + Kh6i lugmg ket tiia la: m = 0,1.253 = 25,3 gam => Chon D Cau 50 Hai kim loai sau phan ung la Cu va Mg du ncu = t; nMg = t => 64t + 24t = 1,76 t = 0,02 M hai kh( = 16; CO mot la NO => Khi lai la Hj •'J 198 "NO =a;nH | a + b = 0,04 =b a = b = 0,02 30a + 2b = 0,04.16 Qua trinh nhuong e: Mg ^Mg^"" +2e 0,15 0,3 Qua trinh nhan e: Cu'^ + 2e —> Cu 0,04 0,02 N*' + 3e —> N ^ ' 0,06 0,02 2H" + 2e • 0,04 0,02 N ^ ' + 8e 0,16 N -3 0,02 Khoi luong muoi thu dugc la: m = 0,15.24 + 0,02.18 + 0,16.96 = 19,32 (gam) Chon C DE Cau Cho phan ung: Fe(N03)2 + AgNOj Fe(N03)3 + A g Phat bieu nao duoi day la diing? A Fe"'^ khu dugc Ag^ B Fe-^ CO U'nh oxi hoa manh hon Fe C Fe^'^ CO tinh oxi hoa manh han Ag^ D Ag"^ CO tinh khii manh hon Fe^"" Cau Dong c6 hai dong vi la ''^Cu vh ^'Cu Nguyen tu khoi trung binh ciia dong la 63,5 Thanh phan phan tram ve khoi lugng ciia dong vi '^^Cu c6 muoi CUSO4 la A 30,56% B 10,19% C 28,98% D 9,95% Cau Cho cac chat sau: axit axetic (1); axit acrylic (2); phenol (3) va axit oxalic (4) Day cac chat dugc sap xep theo trinh tu tang dan lire axit la: A (3) < (1) < (2) < (4) B (3) < (4) < (1) < (2) C (1) < (2) < (3) < (4) D (2) < (3) < (1) < (4) Cau Cho cac can bang hoa hoc sau: (a) H W + hjk) ( (c) 3H2fA:j + N2f^j < » lUKk) » 2NH3fA:J (b) 2N02f/:j < > (d) 2S02rA:J + O.Jk) < WJk) > 2SOi(k) d nhiet khong doi, thay doi ap suat chung cua moi he can bang, can bang hoa hoc nko a tren khong bi chuyen dich? A (a) B (c) C.(b) D.(d) Cau Phat bieu nao sau day khong dung? A Tinh axit: HF > HCl > HBr > HI B Ti'nh axit: HCIO < HCIO2 < HCIO3 < HCIO4 C Trong cac hop chat: flo luon c6 so oxi hoa la - ; cac nguyen to clo, brom, iot CO the CO s6 oxi hoa la: - I , +1, +3, +5, +7 D Tinh khu: HF < HCl < HBr < HI Cau Dan CO du qua hon hop X gom 0,1 mol Fe304, 0,15 mol CuO va 0,1 mol MgO nung nong Sau phan ling xay hoan toan, cho tokn bp chit ran thu dugc vao dung dich H2SO4 loang, du Th^ tich (dktc) thoat la A 13,44 lit B 10,08 lit C 5,6 lit D 6,72 lit Cau Oxi hoa hoan toan 3,1 gam photpho oxi du Cho toan bg san pham vao 200ml dung dich NaOH IM den phan ung xay hoan toan, thu dugc dung dich X Khoi lugng muoi X 1^ A 14,2 gam B 11,1 gam C 16,4 gam D, 12,0 gam Cau Cho m gam hon hgp X gom cac kim loai Al, Mg, Fe, Zn tac dung vua dii vdd dung dich h6n hgp g m HCl va H2SO4 loang tao 0,065 mol H2 Cung m gam hon hgp X tac dung vai clo du tao (m + 4,97) gam h6n hgp cac mu6i Khoi lugng Fe c6 m gam hon hgp X la A 0,84 gam B 0,56 gam C 4,20 gam D 0,28 gam Cau Trong pin dien hoa Zn - Pb, o dien cue am da xay su A oxi hoa Pb B oxihoaZn CkhuZn'^ D.khuPb2\ Cau 10 Nguai ta c6 thi sat trung bang dung dich mu6i an NaCl n6ng khoang 0,9%, chang han nhu hoa qua tuoi, rau song dugc ngam dung dich NaCl tu 10 - 15 phut Kha nang diet trung ciia dung dich NaCl la A dung dich NaCl c6 the tao ion Na'^ doc B dung dich NaCl c6 the tao ion Cr c6 tinh khu C vi khuan chet vi bi mat nuac tham thau D dung dich NaCl dgc Cau 11 Cho mot luong CO di qua ong su chua m gam Fe203 nung nong Sau mot thai gian thu dugc 10,44 gam hon hgp X gom bon chat ran Hoa tan het X bang dung dich HNO3 dac, nong thu dugc 4,368 lit NO2 (dktc) Gia tri cua m la A 12,0 B 16,6 C 15,22 D.21,2 Cau 12 Thoi mot luong CO du qua ong dung hon hgp gom CuO, Fe203, FeO, AI2O3 nung nong thu dugc 215 gam chat ran Dan toan bg thoat sue vao nuac voi du thay c6 15 gam ket tua trang Khoi lugng ciia hon hgp oxit ban dau la A 217,4 gam B 230 gam C 221,6 gam D, 214,7 gam Cau 13 Chia m gam hon hgp gom Al va Na lam hai phan bang Phan cho vao nuac du thu dugc 13,44 lit (dktc) Phan cho vao dung dich NaOH du thu dugc 20,16 lit (dktc) Gia tri cua m Ih A 21,9 B 20,4 C.40,8 D 43,8 200 Cau 14 Cho h6n hop g6m 0,01 mol Al va 0,02 mol Mg tac dung vdi 100ml dung dich chura AgNO^ va Cu(N03)2, sau phan umg xay hoan toan thu dugc m gam chat ran X g6m ba kim loai X tac dung hoan toan vai HNO3 dac, du thu dugc V lit NO2 (san pham khu nhat, a dktc) Gia trj ciia V la A 1,904 B 1,568 C 1,456 D 1,232 Cau 15 Nhiing mot magie vao dung dich c6 chiia 0,8 mol Fe(N03)3 v^ 0,05 mol Cu(N03)2, sau mot thoi gian l§y kim loai can lai thay khoi lugng tang 11,6 gam Khoi lugng magie da phan ung la A 6,96 gam B 20,88 gam C 24 gam D 25,2 gam Cau 16 H6n hgp bot X g6m Fe, Cu v^ Ag Ngam hon hgp X dung dich HNO3 sau phan ung ket thiic, thu dugc NO, chat ran Y va dung dich Z (chi chura mot chat tan nhat) Chat tan dung djch Z1^ A.Fe(N03)3 B.Fe(N03)2 C AgN03 D Cu(N03)2 Cau 17 Day gom cac chat c6 tinh chat luong tinh la A Fe203 vk AI2O3 B CrO va AI2O3 C Cr(0H)3 va Pb(OH)2 , r, D- Cr(OH)3 va Fe(OH)2 Cau 18 Quang sat c6 ham lugng sat cao nhat 1^ quang A xiderit B manhetit C pirit Cau 19 Cho cac phan ung sau: a) FeO + HNO3 (dacnfing) —> C) AI2O3 + HNO3 (dac, nong, — ^ e) CH3CHO + H2 g) C2H4 + Br2 — Nl.t" b) FeS D hematit + H2S04(d5c.n6ng) — d) Cu + dung dich FeCl3 f) Glucozo + AgN03/NH3 h) Glixerol + Cu(OH)2 — Day g6m cac phan ung deu thuoc loai phan ung oxi hoa - khu la A (a), (b), (c), (d), (e), (h) B (a), (b), (c), (d), (e), (g) C (a), (b), (d), (e), (f), (g) D (a), (b), (d), (e), (f), (h) Cau 20 Lay 25,00ml dung djch X chua FeS04 va Fe2(S04)3, them v^o 10ml dung dich H2SO4 loang, du r6i chuan bSng dung dich KMn04 0,025M thi het 18,15ml dung dich KMn04 Lai lay 25,00ml dung dich X nSa roi them vao lugng du Zn hat, lac deu de khii hoan toan Fe^ ^ Fe" Igc lay toan bo nuoc loc roi them vao 10ml dung dich H2SO4 loang, du va chuan bing dung dich KMn04 0,025M, ISn da diing het 35,15ml dung dich Nong mol ciia FeS04 va Fe2(S04)3 dung dich X Ian lugt la A 0,04250M va 0,09075M B 0,09075M va 0,04000M C 0,09000M va 0,04000M D 0,09075M va 0,04250M Cau 21 Hoa tan hoan toan mot lugng hon hgp X gom Fe304 va FeS2 63 gam dung dich HNO3 theo cac so d6: Fe304 + HNO3 Fe(N03)3 + NO2 + H2O FeS2 + HNO3 Fe(N03)3 + NO2 + H2SO4 + H.O 201 The tich NO, thu dugc la 1,568 lit (dktc) Dung dich thu dugc cho tac dung vira dii voi 200ml dung dich NaOH 2M, loc ket tiia dem nung den khoi lugng khong doi thu dugc 9,76 gam chk rin Nong ciia dung dich HNO3 dung dich ban dau la B.46,6% C.44,2% D 46,2% A 47,2% Cau 22 Co dung djch X chua 0,1 mol Al^\2 mol Mg-^ 0,2 mol N O ; , x mol CI", y mol Cu'* - Neu cho dung dich X tac dung voi dung dich AgNOs du thi thu dugc 86,1 gam ket tua - Neu cho 850ml dung dich NaOH IM vao dung dich X thi khoi lugng ket tiia thu dugc la t< A 20,4 gam B 25,3 gam C 26,4 gam D 21,05 gam Cau 23 Hoa tan het 8,862 gam h6n hgp Al va Mg dung dich HNO3 loang, du thu dugc dung dich X (chua ba chat tan) va 3,136 lit Y khong mau (chi gom hai chat, mot chat bi hoa nau ngoai khong khi) c6 khoi lugng 5,18 gam Biet the tich a dktc Tong khoi lugng muoi thu dugc dung dich X la A 56,602 gam B 14,042 gam C 17,542 gam D 65,422 gam Cau 24 Oxi hoa 10,7 gam h6n hgp Q gom nhom, sat va kem hkng oxi thu dugc 17,1 gam hon hgp G gom cac oxit Pha dung dich H2SO4 2M voi dung dich HCl IM theo the tich bang thu dugc dung dich X Lugng dung dich X vua dii ho^ tan het 17,1 gam hon hgp G tren la A 160ml B 230ml C 320ml D 533,3ml Cau 25 Dien phan dung dich gom 7,45 gam KCl va 28,2 gam Cu(N03)2 (dien cue tro, mang ngan xop) den khoi lugng dung dich giam di 10,75 gam thi ngung dien phan (gia thiet lugng nuac bay hod khong dang ke) Tat ca cac chat tan dung dich sau dien phan la A KNO3 va KOH B KNO3, HNO3 va Cu(N03)2 C KNO3, KCl va KOH D KNO3 va Cu(N03)2 Cau 26 Hon hgp X gom mot ankan va mot anken, so mol chat bang Ian so mol chat Cho 6,72 lit hon hgp X qua binh dung dung dich Br2 thay dung dich bi mat mau va khoi lugng binh tang 4,2 gam Sau phan ung thay c6 4,48 lit thoat Dot chay hoan toan thoat thu dugc 8,96 lit CO2 Biet the tich cac deu a dktc Cong thuc ciia ankan la D C2H6 hoac C3H8 A.C2H6 B CH4 hoac C2H6 C.CH4 Cau 27 Cho 8,96 lit hon hop (dktc) gom hidrocacbon mach loi tir tir qua binh chira 2,8 lit dung dich Bij 0,5M Sau phan ling hoan toan, s6 mol Br2 giam di mot nira va kh6i lugng binh tang them 13,4 gam Cong thiic phan tii ciia hidrocacbon la A C2H2 va C3H8 B C2H2 va C4HS C C2H2 va C4H6 D C4H6 va C2H4 Cau 28 Hidrocacbon X chiia vong benzen phan tu Dot chay hoan toan mot lugng X thu dugc 3,96 gam CO2 va 1,08 gam nuac Phan tii khoi ciia X nho hon 160 dvC Khi X tac dung vai brom theo ti le mol : dieu kien dun nong c6 bgt sat hoac khong CO bot sat, moi truang hgp deu tao dugc mot dan xuk nhat Ten gpi ciia X la A 1,3,5-trimetylbenzen B 1,4-dimetylbenzen C 1,3-dimetylbenzen D 2,4,6-trimetylbenzen j 202 Cau 29 Dun nong mot h6n hop gom hai ancol X, Y cung day dong dang vai H2SO4 dac a 140"C da thu dugc 2,7 gam nude va 13,2 gam h6n hop ba etc (c6 s6 mol bSng nhau) Neu dun nong h6n hop ancol tren vdi H2SO4 dac a 170"C thi thu dugc hon hgp hai anken Cong thuc cua X, Y la A CH3OH va CH3CH2CH2CH(CH3)OH B CH3OH va (CH3)2CHCH(CH3)OH C C2H5OH va CH3CH2CH2CH2OH D C2H5OH va C3H7OH Cau 30 Hgp chat huu ca X (phan tu chi chua C, H, O va mot loai nhom chuc) Cho 5,8 gam X tac dung vai AgN03 trong dung dich NH3 du tao 43,2 gam Ag Mat kh^c, 0,1 mol X sau hidro hoa hoan toan phan ung vua du vai 4,6 gam natri Cong thiic cau tao cua X la A.HCHO B CH2=CH-CHO C OHC-CHO D OHC-CH2-CHO Cau 31 Tach nuac hoan toan tu h6n hgp X gom hai ancol thu dugc hon hgp anken Z Khi dot chay hoan toan hon hop X thu dugc 1,76 gam CO2 Neu dot chay hoan toan hon hgp Z r6i hap thu san pham vao binh dung dung dich NaOH dac du thi thay khoi lugng binh tang A 2,84 gam B 2,48 gam C 1,76 gam D 3,52 gam Cau 32 H6n hgp X g6m mot ancol no, don chiic va mot axit cacboxylic no, dan chiic, mach Chia X hai ph§n bang D6t chay phan (1) roi dan san pham thu dugc vao binh dung nude voi du thay c6 30 gam ket tiia Dem este hoa hoan toan phan (2) thu dugc mot san ph4m huu ca Y nhk D6t ch^y hoan toan Y roi hap thu het san pham vao binh dung nude voi du, Igc bo ket tiia thi thay khoi lugng ciia dung dieh binh nude voi giam di A 30,0 gam B 18,6 gam C 11,4 gam D 17,4 gam Cau 33 Hon hgp X gdm ancol metylic, ancol etyhc va glixerol Dot chay hoan toan m gam h6n hgp X, thu dugc 15,68 lit CO2 (dktc) va 18,0 gam H2O Mat khac, 80,0 gam X hoa tan dugc tdi da 29,4 gam Cu(0H)2 Ph§n tram khoi lugng cua ancol etyhc hon hgp X xap xi bang A 46,0% B 16,0% C.23,0% D 11,5% Cau 34 Cho X va Y la hai axit cacboxylic mach hd, c6 cimg so nguyen tu cacbon, X dan chuc, Y hai chuc Chia hdn hgp X va Y hai phan bang Phan mot tdc dung h^t vdi Na, thu dugc 4,48 lit H2 (dktc) D6t chay hoan toan ph§n hai, thu dugc 13,44 lit CO2 (dktc) PhSn tram khdi lugng cua Y hon hgp la ^ A 28,57% B 57,14% C 85,71% D 42,86% Cau 35 Dun nong 23 gam C2H5OH vdi 24 gam C H C O O H (xiic tac H2SO4 dac) Neu hieu suit phan ling 60% thi khoi lugng este thu dugc la A 26,40 gam B 22,00 gam C 21,12 gam D 23,76 gam Cau 36 Tu mot loai miin cua chiia 60% xenluloza dugc diing Ikm nguyen lieu san xuat ancol etylic N^u dung mot tSn miin cua tren c6 the san xuat dugc V lit ancol 70° Biet hieu suk cua qua trinh san xu4t Ik 70% va khoi lugng rieng cua ancol etylic la 0,8 g/ml, cua nude la 1,0 g/ml Gia tri cua V 1^ A 425,926 B 452,926 C 496,525 D 469,525 203 Cau 37 Dot chay hoan to^n 3,42 gam hon hop gom axit acrylic, vinyl axetat, metyl acrylat axit oleic, roi hap thu toan bp san pham chay vao dung dich Ca(OH)2 (du) Sau phan ling thu dugc 18 gam ket tiia dung dich X Khoi lugng X so vai khoi lugng dung djch Ca(0H)2 ban dau da tang (hay giam) gan A 7,374 gam B 7,378 gam C 7,421 gam D 7,392 gam Cau 38 Chat beo khong no de tieu hoa va thuong c6 Igi cho sue khoe Tuy nhien, cac chat beo dang trans- rdt doc hai cho tim mach vi chung lam tang cholesterol xau LDL va lam giam cholesterol tot HDL, dua den nguy ca xa vua dong mach v^ gay benh tim mach, dot quy rat nguy hiem Che an nhieu chat beo dang trans- cung la mot nhung nguy co dua den benh tieu duang type Phat bieu nao sau day khong dung? A Chat beo cang chua nhieu noi doi cang kho tieu hoa, khong c6 Igi cho sue khoe B Chat beo dang trans- c6 nhieu bong ngo no b^ng 16 viba, mi an lien, khoai tay chien, margarine cung C Han che an ma dong vat va cac thuc an cong nghiep c6 chua chat beo, nen diing dau thuc vat va an nhieu ca D Cac axit beo omega-3 c6 nhieu noi doi nhu DHA, EPA, thuong thay ma ca, rat tot cho sue khoe Cau 39 Phat bieu nao sau day khong dung? A Lien ket peptit la lien ket tao giua dan vi a-amino axit B Cho Cu(0H)2 moi truang kiem vao dung dich protein se xuat hien m^u tim xanh C Polipeptit kem ben moi truang axit va baza D Cac dung dich glyxin, alanin, lysin deu khong lam doi mau giay quy tim Cau 40 Cho cac polime sau: - f N H - [ C H ] - N H - C O - [ C H ] - C O ^ (1); (3); - e N H ^ C H J s - C O ^ (2); ( - C H - C H = C H - C H V (6)- -f C H - C H ^ (5); [C6H702(OOCCH3)3]n (4); -e NH-[CH2]6-CO V Day gom cac polime dugc diing de san xuat ta 1^ A (4); (5); (6) B (1); (2); (3); (4) C (3); (4); (5); (6) D (5); (6) Cau 41 Mot so amin mach ho, dong phan c§u tao cua nhau, t^c dung vai axit HCl theo ti le moi : , phan tii c6 phan tram khoi lugng nita bang 19,18% So dong phan cau tao tac dung vai axit HNO2 sinh khong mau la A B C D.4 Cau 42 Cho m gam hon hop X g6m axit glutamic va valin tdc dimg vai dung dich HCl (du), sau phan ung hoan toan lam bay hai can than dung dich, thu dugc (m + 9,125) gam muoi khan Neu cho m gam X tac dung vdd dung dich NaOH (du), k i t thiic phan ung tao (m + 7,7) gam muoi Gia tri ciia m 1^ A 26,40 B 33,75 C 36,9 D 32,25 Cau 43 Khi thuy phan m gam mot tripeptit X thu dugc 0,1 moi Gly v^ 0,2 moi Ala Gid tri cua m gan bang A 21,67 B.23,0 C 21,50 D 22,80 204 Cau 44 Khi d6t hoa long (LPG) dugc su dung nSu an gia dinh - dugc ggi 1^ gas CO phan chinh la propan va butan Day la mot loai nhien lieu rat tien dung, nhung doi cung gay nhixng su c6 dau long no gas vi bi ro ri De c6 the phat hien su ro ri gas, nguoi ta da cho them vao gas mot lugng nho chat etanthiol C2H5SH la chat CO miii rat dac tnmg Khi phat hien thay bi ro ri gas can A ma thoang cua va khong dugc bat b§p gas hay bat cong tic dien, bat diem vi c6 the gay chay, no B bat quat manh de cho gas khuSch t ^ nhanh ngoai C ma thoang cua va khong dugc bat bep gas hay bat cong tac dien vi gas nhe hon khong se bay ngoai D bat bep gas de cho chay het phan bi ro ri de tranh gay ngat cho nguoi xung quanh Cau 45 Thuy phan hoan toan 20,3 gam h6n hgp mot so tripeptit (xuc tac enzim) la dong phan cau tao cua nhau, thu dugc 23,9 gam hon hgp hai amino axit phan tu han kem 28 dvC Co toi da may chat hon hgp ban dau? A chat B chat C chSt D chSt Cau 46 De xac dinh ham lugng tinh bgt mau bgt san, mot nhom hoc sinh da tien hanh thuy phan hoan toan 10 gam bot san sau cho tiep dung dich AgNO^/NHs du Sau thi nghiem thu dugc 10,7 gam bac Ket qua tinh cua cac ban Lan, Hoang, Hiing, Viet ve ham lugng tinh bgt mau bgt san tren lan lugt la: 80%; 77%; 90% va 67% Thay giao ket luan: Ket qua gan diing vdi thuc te nhat la cua A ban Hoang B ban Lan C ban Hiing D ban Viet Cau 47 Thuy phan hoan toan mol pentapeptit X thi thu dugc mol glyxin; mol alanin va mol valin Khi thuy phan khong hoan toan X thi hon hgp san pham thay CO cac dipeptit Ala-Gly; Gly-Ala va tripeptit Gly-Gly-Val Amino axit dau N, amino axit dau C a pentapeptit X lan lugt la A.Ala, Gly B Gly, Gly C Gly, Val D.Ala,Val Cau 48 Hon hgp X gom ba este dan chuc, tao tu mot ancol Y vai ba axit hixu ca CO hai axit no la dong dang ke tiep va mot axit khong no chiia mot lien ket doi (mach phan nhanh) Xa phong hoa m gam h6n hgp X hkng dung dich NaOH, thu dugc hon hgp muoi va p gam ancol Y Cho p gam ancol Y vao binh dung Na du, sau phan ung c6 2,24 lit (dktc) thoat va khoi lugng binh dung Na tang 6,2 gam Mat khac, dot chay hoan toan m gam X thu dugc 13,44 lit CO2 (dktc) v^ 9,9 gam H2O Phkn tram khoi lugng ciia este c6 khoi lugng mol nho nhat hon hgp X 1^ A 20,41 B 50,32 C 41,28 D 38,46 Cau 49 De hidro hoa ho^n to^n 0,025 mol hon hgp X gom hai andehit c6 khoi lugng 1,64 gam, can 1,12 lit H2 (dktc) Mat khac, cho cimg lugng X tren phan ung vdi mot lugng du dung dich AgNOi NH3 thi thu dugc 8,64 gam Ag Cong thiic cdu tao cua hai andehit X la A CH2=C(CH3)-CHO va OHC-CHO B OHC-CH2-CHO va OHC-CHO C CH2=CH-CHO v^ OHC-CH2-CHO D H-CHO va OHC-CH2-CHO 205 Cau 50 Nguyen nhan chu yeu sinh cac gay hieu umg nha kinh la A cac cacbonic va metan sinh vi sii dung nhien heu hoa thach qud nhieu va phat trien nong nghiep diing nhieu phan hCru ca B cAc nha may san xuat hoa chat thai nhieu thai doc hai C sir khai thac dau da xa tu nhien ngoai quyen D viec san xuk gach ngoi, nung voi lam vat heu xay dung i D A P AN lA 2B 3A 4A 5A 6D 7A 8B 9B IOC llA 12A 13C 14B 15D 16B 17C 18B 19C 20D 21D 22A 23A 24C 25B 26B 27B 28A 29D 30C 31B 32C 33C 34D 35C 36A 37B 38A 39D 40B 41D 42D 43A 44A 45B 46B 47C 48A 49C 50A Cau 20 10FeSO4 + 2KMn04 + 8H2SO4 ->• 5Fe2(S04)3 + 2MnS04 + K2SO4 + 8H2O Thinghiem S6 mol KMn04 = 0,025.0,01815 = 0,00045375 (mol) n K , = ^n^^^o = 0,00226875 mol; C„ = 0,09075 M Thinghiem n^Mno, = 0,025.0,03515 = 0,00087875 (mol) npeso, = 5nK.Mno = 0,00439375 (mol); Hp^, =0,00439375-0,00226875 = 0,002125 (mol) ^ np^^j.^,^ =0,0010625 C„ = 0,0425M => Chon D Cau 25 UKCI = 0,1 mol; n^^No,), = 0,15 mol; = 0,67 < ^ KCl h^t ^Cu(NO,), (1) 2KC1 + Cu(N03)2 ) Cui + 2KNO3 + C U T 0,1 0,05 , ^ 0,05 Sau phan ung (1) mjungd,ch giam = 0,05.64 + 71.0,05 = 6,75 (g) < 10,75 (g) =^ Tiep tuc CO phan irng (2) Khoi lugng dung dich giam sau phan umg (2) la: 10,75 - 6,75 = (g) 2Cu(N03)2 + H O ) 2Cui + 4HNO3 + O T (2) X X x/2 => 64x + 32.0,5x = 4g => X = 0,05 (mol) ncu.No,), d = 0,15-0,1 =0,05 (mol) =>Sau phan umg dung dich con: Cu(N03)2; KNO3; HNO3 Chon B DE S O S Cau Chat nao sau day la este? A.HCOOH B.CH3CHO C.CH3OH D.CH3COOC2H5 Cau So dong phan cau tao c6 cong thuc phan tir C4Hi402, tac dung dugc vai dung dich NaOH, khong tac dung vdi Na la A B.4 C.5 D.3 Cau Dun nong dung dich chiia 27,0 gam glucoza vai lugng du dung dich AgNOs NHj, den phan ung xay hoan toan thu dugc m gam Ag Gia tri cua m 1^ A 21,6 B 32,4 C 16,2 D 10,8 Cau So hieu nguyen tu ciia Fe la 26 Ion Fe'^co c§u hinh eletron la A [Ar]3d'4s- B [Ar]3d^4s' C [Ar]3dl D [Ar]3d* Cau So oxi hoa ciia Cr hgp chat K2Cr2071^ A.+6 B.+3 C.+7 D.+4 Cau Khi dun nong chat X c6 cong thiic phan tu C3H6O2 vai dung dich NaOH thu dugc CHjCOONa Cong thiic cSu tao ciia X la A.CH3COOCH3 B.HCOOC2H5 C CH3COOC2H5 D.C2H5COOH Cau Hoa tan het 7,2 gam hon hgp gom hai muoi sunfat cua hai kim loai kiem vao nuac dugc dung dich X Cho dung djch X tac vita du vai dung dich BaCl2, thu dugc 11,65 gam ket tua va dung dich Y Khoi lugng muoi dung dich Y la A 5,95 gam B 6,50 gam C 7,00 gam D 8,20 gam Cau Cho 7,50 gam HOOC-CH2-NH2 tdc dung vita du vai dung dich HCl thu dugc m gam mu6i HOOC-CH2-NH3CI Gia tri cua m la A 14,80 B 12,15 C 11,15 D 22,30 Cau Day gom c^c chat dku tic dung vai dung dich NaOH 1^ =§> B etanol, fructoza, metylamin A metyl axetat, alanin, axit axetic C glixerol, glyxin, anilin D metyl axetat, glucoza, etanol Cau 10 Cho 283,5kg xenluloza tac dung vai 436,15kg dung dich HNO3 65% thu dugc m (kg) xenluloza trinitrat (biet hieu suat phan ling dat 90%) Gia tri cua m la A 467,75 B 445,50 C 519,75 D 400,95 Cau 11 Trong phan tu chat nao sau day c6 chiia nhom cacboxyl (COOH)? A Etylamin B Axit aminoaxetic C Metylamin D Phenylamin Cau 12 Peptit bi thuy phan hoan toan nha xuc tac axit tao cac A ancol B andehit C amin D a-amino axit Cau 13 Pohme nao sau day thugc loai polime tong hop? C Tat5m D Xenluloza A Tinhbot B Polietilen Cau 14 Hon hgp X gom axit fomic, axit acrylic, axit oxalic va axit axetic Cho m gam X phan ling het vod dung dich NaHC03 thu dugc 2,016 lit CO2 (dktc) Dot chay hoan toan m gam X can vua dii 3,024 lit O2 (dktc), thu dugc 7,26 gam CO2 va a gam H2O Gid tri ciia a la A.2,16 B 2,70 C.5,40 D 2,43 Cau 15 Dieu che kim loai Na bang phuong phap A dien phan dung dich NaCl bao hoa c6 mang ngan B dung H2 khu ion Na* N a a nhiet cao C dien phan NaCl nong chay D dien phan dung djch NaCl khong c6 mang ngan Cau 16 Cho bot nhom tac dung voi dung dich NaOH (du) thu dugc 6,72 lit H2 (do a dktc) Khoi lugng bgt nhom da phan ung la A 10,4 gam B 16,2 gam C 5,4 gam D 2,7 gam Cau 17 Cho rat tir tu 170ml dung dich HCl I M vao 200ml dung dich NaiCOj 0,5M thu dugc V lit C O (dktc) Gia tri ciia V la A 1,568 B 1,008 C 1,904 D 2,240 Cau 18 Cho 1,37 gam kim loai kiem tho M phan ling voi n u a c (du), thu dugc 0,01 mol H2 Kim loai M la A.Ba B Sr C Mg D Ca Cau 19 Nguyen heu chi'nh diing de san xuat nhom la A quang dolomit B quang pirit C quang boxit D quang raanhetit Cau 20 Chat bi oxi hoa bod khong a nhiet thuong la A.Mg(0H)2 B.Fe(0H)3 C Fe(OH)2 D Cu(OH)2 Cau 21 Hon hop M gom mot anken va hai amin no, don chuc, mach X va Y la dong dang ke tiep (Mx < My) Dot chay hoan toan mot lugng M can dung 18,144 lit O2 (dktc) thu dugc H2O, N2 va 8,96 lit C O (dktc) Chat Y la A etylamin B metylamin C butylamin D propylamin Cau 22 Chat c6 tinh oxi hoa nhung k h o n g c6 tinh khu la A.Fe B.Fe203 C.FeCk D FeO Cau 23 Trong phong thi nghiem, nguai ta c6 the thu bang cAch day khong hoac day nuac, theo cAc hinh ve dual day: Hinhl Hinh Hinh Cac chat dugc thu theo hinh ve so la A C O , SO2 B.02,H2 C.Cl2,NH3 D.CH4,HC1 Cau 24 Hon hgp M gom etylamin va hai anken X , Y dong dang ke tiep (Mx < M Y ) Dot chay het 0,8 lit hon hgp M bang mot lugng oxi vira dii, thu dugc 5,4 lit h6n hgp Mj g6m va hai D i n toan bg M i qua binh dung C a C l khan (du), th§y lai 2,55 lit Biet cac the tich dugc a ciing dieu kien nhiet do, dp suat Thanh phan phan tram theo the u'ch cua chat Y h6n hgp M la A 37,5% B.35% C 25% D 65% 208 Cau 25 Khi cho dung dich NaOH vao dung dich FeCh thay xuk hien fe:> A ket tiia mau trang hai xanh B ket tiia mau trang hai xanh, sau chuyen dan sang mau nau C ket tua mau xanh lam D ket tua mau nau Cau 26 Hoa tan a gam h6n hop g6m Cu va Fe (trong Fe chiem 30% ve khoi lucmg) b ^ g 100ml dung dich HNO3 63% (D = 1,38 g/ml), khu§y deu cho cac phan ling xay hoan toan, thu dugc ch^t An X nang 0,75a gam, dung dich Y va 12,208 Kt h6n hgp (a dktc) gom NO va NO2 Ooik N*^ chi bi khu N*' va N^) Khoi lugng muoi c6 dung dich Y la A 150,30 gam B 202,07 gam C 67,76 gam D 75,15 gam Cau 27 Tong he so nguyen toi gian ciia cac chat phan ling: FeS + HNOa-^ Fe(S04)3 + NO + H2O + H2SO4 la A 10 B 14 C 20 D 28 Cau 28 Cho can b k g ho^ hoc: N2(A:) + 3H2(^) ^ 2NH3(^) Khi tang ap suSt chung cua he thi can bang A se chuyen dich theo chieu nghich B se khong bi chuyen dich C se chuyen dich theo chieu thuan D vira chuyen dich theo chieu thuan, vira chuyen dich theo chieu nghich Cau 29 Trong mot nh^ may rugu, nguoi ta dung nguyen Ueu mun cua (chiia 50% xenluloza) de san xuat ancol etylic, vai hieu suat ciia toan bo qua trinh la 70% De san xuat tan ancol etylic thi khoi lugng mun cua can diing la A 500kg B 5051kg C 6000kg D 5031kg Cau 30 Trong phong thi nghiem, clo thuong dugc dieu che bang each oxi hoa chat nao sau day? A KMn04 B.MnO C HCl D NaOH Cau 31 Cho V Kt SO2 (dktc) tic dung hk vod dung dich Br2 du Them tigp v^o dung dich sau phan ung BaCl2 du thu dugc 2,33 gam ket tiia Gii tri cua V 1^ A 0,112 B 1,120 C 0,224 D 2,240 Cau 32 Tien hanh thi nghiem sau: - TNi: Nhiing Fe vao dung dich FeCh; '' - TN2: Nhiing Fe vao dung dich CUSO4; - TN3: Nhiing Cu vao dung dich FeCl3; - TN4: Cho Fe tiep xiic voi Cu roi nhiing vao dung dich HCl So truong hgp xuat hien an mon dien hoa la A B.2 C D.4 Cau 33 Hon hgp X gom A1(N03)3 va Al2(S04)3 dugc chia lam hai phan hkng Cho ph§n tac dung vdd 306ml dung dich KOH IM, thu dugc 4,212 gam k^t tiia Cho ph4n tac dung vdd dung dich Ba(N03)2 (du) thi thu dugc 16,776 gam ket tiia Phan tram khoi lugng ciia A1(N03)3 X la A 52,15% B 31,84% C 47,85% D 68,16% 209 Cau 34 So dong phan cau tao cua C4H,oO Ik A B C.5 D.7 Cau 35 Dot chay hoan tokn mot the tich hoi ancol no Y can vira dii 3,5 the tich O2 (do cung dieu kien nhiet do, ap suat) Cong thuc phan tir ciia Y la D CH3COOCH3 va C2H5COOCH3 C HCOOC2H5 va CH3COOC2H5 B HCOOCH3 va CH3COOCH3 A C2H5COOH va CH3COOC2H5 C.C2H6O2 A.C2H6O B.C3H8O3 D.C3H8O2 Cau 36 Cho 2,50 gam mot h6n hop gom hai hop ch§t huu co X, Y (Mx < My) deu mach ho, chua cung mot loai nhom chuc hoa hoc tac dung vira dii voi 30ml dung dich NaOH IM thi thu dugc mot ancol don chuc va 2,32 gam h6n hgp muoi ciia hai axit hixu ca don chuc, ke tiep day dong dang Hai chit X, Y ISn luot la Cau 37 Cho so d6: CsHioO Y — ^ Polistiren So dong phan cau tao c6 cong thuc phan tu CsHioO (la hgp chat thom) thoa man so d6 tren la A B C.3 D Cau 38 Trong mot nhom A, theo chieu tang din ciia dien tich hat nhan thi A ban kinh nguyen tu giam d§n, tinh kim loai tang d§n B ban kinh nguyen tii giam dan, tinh phi kim tang dan C ban kinh nguyen tu tang dan, tinh phi kim tang dan D ban kinh nguyen tu tang dan, tinh phi kim giam d§n Cau 39 Cho hon hgp X gom hai andehit la dong dSng ke ti§p tac dung vai H2 du (Ni, t") thu dugc hon hgp hai ancol don chirc Dot chay hoan toan hon hgp hai ancol thu dugc 16,5 gam CO2 va 9,45 gam H2O Cong thuc phan tu cua hai andehit X Ik D CH3CHO, C2H5CHO C C3H5CHO, C4H7CHO B C2H5CHO, C3H7CHO A C2H3CHO, C3H5CHO Cau 40 Cho m gam h6n hgp HCOOH vk C2H5OH tac dung hit vai Na thi the tich H2 (a dktc) thu dugc Ik 2,52 Kt Gi^ tri cua m Ik A 6,90 B 8,25 C 10,35 D 10,80 Cau 41 Xk phong hoa hoan toan 2,22 gam h6n hgp hai este Ik d6ng phan ciia cSn dung vua du 30ml dung dich NaOH IM Cong thirc c§u tao ciia hai este Ik noi tren Ik D CH3COOCH=CH2 vk CH2=CHCOOCH3 C C2H5COOC2H5 va CH3COOC3H7 B CH3COOC2H5 va C2H5COOCH3 A CH3COOCH3 vk HCOOC2H5 Cau 42 Cho hon hgp g6m hai axit huu co RCOOH vk R'COOH (R, R' la cac g6c hidrocacbon no) tac dung vai glixerol a dieu kien thich hgp So dieste toi da la d6ng phan cua co chua dong thai hai loai goc axit da cho Ik A B.3 C.2 D Cau 43 Cho 20,00 gam hon hgp gom amin tac dung vira dii vai dung dich HCl IM, thu dugc dung djch Z Co can can than dung dich Z thu dugc 31,68 gam mu6i khan Thi tich dung dich HCl IM da dung Ik A 16ml B 32ml C 160ml D 320ml 210 Cau 44 Cho cac chit va cac cap chat sau: H2N[CH2]5COOH, HCHO va CeHjOH, va /7-C6H4(COOH)2, H2N[CH2]6NH2 va HOOC[CH2]4COOH S6 chSt va cap chat CO kha nang tham gia phan ung trung ngung la A B.3 C.2 D.6 Cau 45 H6n hop M g6m Na va Al Chia M lam hai phan bang Cho phan tac dung vai H2O (du), th4y dioat V lit Cho phkn tac dung vai dung dich NaOH (du) thSy thoat 1,375V lit (hik cac thg tich dugc a cung diea kien) Thanh ph4n phan tram ve khoi lugng ciia Al X la A 63,78% B 34,987o C 65,02% D 36,22% Cau 46 Cho h6n hgp X g6m hai chat huu co c6 ciing cong thiic phan tu C2H7O2N tac dung vua du vai dung dich NaOH va dun nong, thu dugc dung dich Y va 8,96 lit hon hgp Z (a dktc) gom (deu lam xanh gi§y quy km) Ti khoi hoi ciia Z doi vai H2 bang 13,75 Co can can than dung dich Y thu dugc khoi lugng muoi khan la A 31,4g B 17,8g C 33,Og D 28,6g Cau 47 Hon hgp T gom tripeptit X mach va tetrapeptit Y mach (ti le mol : 1) deu dugc tao tu mot amino axit Z mach ha, phan tu chi chua mot nhom amino Biet Z, nita chiem 18,667% ve kh6i lugng Thuy phan het m gam T thu dugc 3,78 gam X, 18,48 gam dipeptit va 15,0 gam Z Gia tri cila m la A 33,557 B 22,360 C 37,260 D 23,492 Cau 48 Thuoc thu co the dung de phan biet glucoza va fructoza la A Dung dich AgNOa/NHs B nuac brom C2H4(OH)2 C H2 (t°, xt Ni) D Cu(OH)2 Cau 49 Cho 0,9 mol Fe(N03)2 va 0,45 mol bgt Cu vao dung dich chuai 1,35 mol H2SO4 (loang) Sau cac phan ling ket thiic, thu dugc V lit NO (san pham khii nhat, a dktc) Gia tri ciia V la A 6,72 B 13,44 C 10,08 D 15,12 Cau 50 Cho cac chk sau: H2O, C2H5OH, HCOOCH3, CH3COOH Thu tu tang dan nhiet soi ciia c^c chat tren la A H2O, C2H5OH, HCOOCH3, CH3COOH B C2H5OH, H2O, HCOOCH3, CH3COOH C HCOOCH3, H2O, C2H5OH, CH3COOH D HCOOCH3, C2H5OH, H2O, CH3COOH i OAP ID IIB 21A 31C 41A AN 2B 12D 22B 32B 42B 3B 13B 23A 33A 43D 4D 14A 24A 34D 44D 5A 15C 25D 35B 45A 6A 16C 26D 36C 46D 7A 17A 27D 37B 47A 8C 18A 28C 38D 48B 9A 19C 29D 39D 49B lOD 20c 30C 40C 50D 211 NHAXUATBANDAI HQCSl/PHAM Bja dil: 136 Oucmg XuanThuy - Quan Cau Giay Ha Noi Dim thoai; 043.7547.735 | Fax: 043.7547.911 | Website: http://nxbdhsp.edu.vn Phong Kinh doanh va Miat tnen thi truong: Bienthoai: 043.7549.202 | E-mail: kinhdoanhisnxbdhsp.edu.vn Sadi dUK gUii tliieu tai Tmng tarn Ptiat hanh sadi va Gidi thieu san pham: BiinthMi: 043.7547708 | Email: sadi5()#nxlxihsp.edu.vii mOI BAN TIM DOC ISBN 978-604-54-2245-8 935220 52 1238 Gia:29.500d [...]... sinh noi: "Dot phao gay nguy hiem cho con nguai v^ con lam 6 nhiem moi truong" Em c6 dong y vai quan diem ciia ban do khong? Giai thich Cau 3 Diem tieu (kali nitrat) dung de uop thit muoi c6 tac dung 1km cho thit giii dugc mau sac do hong von c6 Tuy nhien, khi su dung cac loai thit dugc uop bSng diem tieu nhu xiic xich, lap xuong, khong nen ran ki hoac nuong 0 nhiet do cao Hay neu ca so khoa hoc ciia... 50% the tich hon hpp thu dupe Tinh hang so can bang Kc a t°C cua phan ling Cau 8 Khi thirc hien phan img este hoa 1 mol CH3COOH va 1 mol C2H5OH (c6 xiic tac H2SO4 dac, t"), khi phan ung dat tod trang thai can bang thi thu dupe 2/3 mol este De dat hieu suit dat 90% (tinh theo CH3COOH) khi tiln hanh este hoa 1 mol CH3COOH thi cSn bao nhieu mol C2H5OH? Biet cac phan ling este hoa dupe tiiuc hien a cung dieu... toan bp the tich nguyen tii Noi each khac, nguyen tu c6 cau tao dac Nhung quan diem nay da bi sup do bai thi nghiem ciia Razafo (Rutherford) Em hay mo ta thi nghiem tim ra hat nhan nguyen tu cua Razafo Cau 2 Ngay 26/4/1986, mot sir c6 nghiem trong da xay ra tai nha may dien hat nhan Trecnobun each thii do Kiep cua Ucraina gan 150km ve phia Bac Tai nan da phat tan mot lugng Ion chat dong vi phong xa iot-131... Biet trong mpi hap chat, Y chi cd 14 mot muc oxi hoa duy nhat Suy ra s6 electron cua X"^ bSng so electron ciia Y bang 10 X la Na va Y la F, cong thiic la NaF Chon B Cau 4 Trong mot nhom A , trir nhom V I I I A , theo chieu tang cua dien tich hat nhan nguyen t u thi tinh k i m loai tang dan, ban kinh nguyen t u tang dan ^ Chpn C C a u 5 G o i x l a t i l e % c u a d 6 n g v i ^ - C u t a c 6 63x + 6 5... phan ung thuan bang toc do phan ung nghich + Can bang hoa hoc phu thuoc: nong do, ap suat, nhiet do 19 + Nguyen If La Sa-ta-li-e: Mot phan ung thiidn nghich dang & trqng thai can bang khi chiu mot tac dong ben ngoai, nhu bien doi nong do, dp siidt, nhiet do, thi can bang se chuyen dich theo chieu lam gidm tac dong ben ngodi do + Hang so can bang hoa hoc Kc ciia phan ling xac djnh chi phu thuoc vao nhiet... + HCOOH -> 2HBr + CO2 Biet ban dau nong dp Br la 0,0120 mol//, sau 50 giay nong dp Br2 con lai la 0,0101 mol// Cau 2 Biet rang moi khi nhiet dp tang them lO^C thi toe dp ciia mot phan img tang them 3 Ian Hoi khi tang nhiet dp tir 40"C len 70"C thi toe dp phan ung tren se tang len bao nhieu Ian? Cau 3 Xet phan ung phan buy N2O5 trong dung moi CCI4 a 45"C: N.O5 N,04+ -O, 2 ' Ban dau nong dp ciia N2O5... suat chung ciia he; (5) diing chat xiic tac? Giai thich Cau 6 Cho 2 lit va 7 lit H2 vao binh phan umg, hon hop thu dupe sau phan ung c6 the tich bang 8,2 lit (the tich cac khi dupe do a ciing di^u kien) a Tinh hieu suat phan ung va the tich ciia NH, trong hon hpp thu dupe sau phan img b De dieu che 4 lit NH3 tir N2 va H2 voi hieu suSt nhu ph§n (a), thi th§ tich H2 c§n diing a ciing dieu kien la bao... ciia cation bang s6 electron ciia anion va t6ng s6 electron trong XY la 20 Bik trong moi hop chat, Y chi CO mot miic oxi hoa duy nhat C6ng thiic XY la A.AIN B.NaF C LiF D MgO Cau 4 Trong mot nhom A, tru nhom VIIIA, theo chieu tang cua dien tich hat nhan nguyen tu thi A do am dien giam dan, tinh phi kim tang dan B tinh phi kim tang dan, ban kinh nguyen tu tang dan C U'nh kim loai tang dkn, ban kinh nguyen... axit hiru ca nhu axit axetic, axit lactic Thiic an vdi ham lucmg duong cao tao dieu kien tot cho viec san sinh ra cac axit do a Tai sao khi lugng axit trong mieng tang lai c6 nguy ca gay benh sau rang? b Tai sao nhimg nguai c6 thoi quen an trau lai tot cho vice tao men rang va c6 tac dung ngan ngua benh sau rang? c Em hay dua ra hai bien phap hgp li, c6 tinh kha thi de phong ngita benh sau rang Cau 10... n6ng do ion N O , trong nude uong khong dugc vugt qua 10 mg// Neu thCra NO^ se gay ra mot loai benh thieu mau hoac tao thanh nitrosamin (mot hgp chat gay ung thu trong duang tieu hod) Nguon phat thai ion nitrat chii yeu gom: phan bon hoa hoc (phan dam), phan thai trai chan nuoi dong vat, nuac thai do thi va biin, he thong tu hoai, a Dk xac dinh ham lugng N O " trong mot mau nuac, nguai ta lay 50ml