T CXI C NGUYfiN VAN T H O A I - PHAM DINH T H A N H T R A N TUAN V I $ T TUYENCHON BAI THI TRAC NGHIEM THEO CAU TRUC DE THI MON HOA HOC (Dung de on luyen thi tot nghiep THPT va Dai hoc, Cao dang; THi; VIENTIWHBINH THUAN NHA X U A T BAN DAI H O C SlT P H A M Ldl NOI DAU Cuon sach "Tuyen chon b^i thi trac nghiem theo cau true cJe thi Mon Hoa hoc" danh cho hoc sinh dang on luyen thi tot nghiep Tl ;PT \/a thi vao cac trUdng Dai hoc va Cao d i n g Trong vai nam gan day, Bo Giao due va Dao tao da cong bo c u true m6i cua de thi tot nghiep THPT va de thi tuyen sinh Dai hoc, Cac liing De giup hoc sinh c6 tai lieu on luyen phu hdp va thiet thiic, chung -oi bien soan cuon sach v6i npi dung: TuySn chon sSp xep cac bai thi trSc nghiem theo trinh tifcau true de thi, dong thdi rat chu d) K C I O , Dap 24x + 56y = 20 an D N ^ + H^O a-5 2) K C I O + K C l b-3 3) N a C l + N a C l O , + H j O c - 4) K C l + O2 d-2 Ta C O he p h u o n g t r i n h : X G i a i he p h u o n g t r i n h dugc: x = y = 0,25 m o l -> - Cdch G o m hai phan: can dan la m o t cau c6 n i d u n g c^n xac d i n h d u n g hay sal - Phan lid Idi g6m chtr D (neu cho la d i i n g ) hay c h u S (neu cho la sai) K h o a n h t r o n m o t t r o n g hai chiJ k h i xac d i n h - Thi du: H i d r o c a c b o n no chi t h a m gia phan l i n g the', k h n g t h a m gia phan ling c6ng D - S an S: H i d r o c a c b o n no n h u x i c l o p r o p a n (hay x i c l o b u t a n ) c6 thi l i n g c n g mcf v o n g C a u n h i e u lira c h o n (hay d i i n g nhat) G o m hai phAn: - Phan (du dan 1^ m t cau h o i hoac mdt cau chua hoan (cau bo lirng), c3n ghep v d i m t dap an di dugc cau hoan c h i n h - trd Idi g6m Phan hoac phuomg an, phai c h o n p h u o n g dn d i i n g (hay d i i n g nha't, dSy d u nhat) - Thidu = 127.0,25 = 31,75 gidi nhanh: 1: Cho 20 gam h n hop M g va Fe tac d u n g vdri d u n g d i c h H C l N h u vay: m o l nguySn t ^ H bay t h i cung phai c6 m o l n g u y e n tir C I (hay 35,5 g a m ) tao mu6'i mmu,.i = mki + mj,.vc axi> Thi du 2: Chia m t l u g n g h6n hgp ancol no, d o n chiic t h a n h hai bang Phan 1: D6t chay hoan toan, t h u dugc 2,24 l i t C O j ( d k t c ) Phan 2: T a c h nude (dehdrat hoa) hoan toan, t h u dugc anken D t chay hoan toan h6n hgp anken t h u dugc m g a m G i a t r i ciia m la A 1,2 B 2,4 C 3,6 ' D 1,8 Hay c h o n dap an d u n g Hu&ng ddn trd lai: t h i t h u dugc bao n h i e u gam mu6'i khan? - Cdch A 50 g a m B 55,5 gam C 60 g a m D 60,5 gam gidi thong thiCdng: G g i C T P T t r u n g b i n h ciia ancol la C j i H j j i + i O H G g i x la s6' m o l ciia ancol m i phSn H a y chon dap an d i i n g Hit&ng ddn trd lai gidi thong Phan I: CnHjH+iOH+yO2 -^nC02+(ii + l)H20 thudng: G o i X va y la so mol M g va Fe c6 t r o n g 20 gam h n hop X mol C a c p h u o n g t r i n h phan l i n g : Mg + 2HC1 X Fe y + 2HC1 MgCl2 + Hzt (1) Phan 2: Cj^Hzi^^iOH mol X X FeCl2 H2t y y mol = 20 + 35,5 = 55,5 ( g a m ) D a p an B d u thay c6 g a m k h i H2 bay N e u dem c6 can d u n g d i c h sau phan ling - Cdch gam Tir phan tir H C l - » U H = U d = j = m o l n g u y e n tic - Phan phinn = 95.0,25 = 23,37 gam Kh6'i l u g n g mu6'i bang 23,37 + 31,75 = 55,5 ( g a m ) C a u d u n g sat tham gia niMgci, "ipecij 5) N a C l + N a C l O + H2 Dap + y =— ^ (2) X mol 24 n x = - : — = 0,l(mol) 22,4 ^Q_^^_+Y^^Q ''^o'C.H;S04d X mol H2O pMn PHAN I X mol nX n X = TUYEN CHON 0,1 mol -> S6' mol CO, d6't anken = s6' mol CO2 d6't ancol va bang s6' mol HjO m„^o= = 1,8 gam NGHIEM T H E O C A UT R U C D E T H I mHjO =0'1-18= l,8(gam) Dap an D - Cdcfi gidi nhanh: D6't chay phSn thu dugc 0,1 mol CO2, phSn tach nirdc thi s6' mol anken bang s6' mol aneol S6 nguyen tu C anken bang s6' nguydn tir C ancol BAI THI TRAC A PHAN CHUNG CHO TAT C A C A C THf SINH - NGUYEN TLT, BANG TUAN HOAN, LIEN KET HOA HOC 1.1 Cho cac nguyen to M (Z = 11), X (Z = 17), Y (Z = 9) va R (Z = 19) D6 am dien ciia cac nguyen to tang dSn theo thir tir A M < X < Y < R C Y < M < X < R Chu y Khi lam bai tap t r k nghiem, vi khfing phai trinh bay each giai nSn ta dung each giai nhanh (giai nhSlm) 6.i chon dap an diing B R < M < X < Y D M < X < R < Y 1.2 Trong tur nhien, nguyen to c6 hai dong vi la fgCu va 29Cu Nguydn tir khoi trung binh cua dong la 63,54 Thanh phan phSn tram t6ng so nguyen tir cua d6ng vi 29 Cu la A 27% B 50% C 54% D 73% 1.3 Trong hop chat ion XY (X la kim loai, Y la phi kim), s6' electron cua cation bang s6' electron cua anion va t6ng s6' electron XY la 20 Biet moi hop chat, Y chi c6 mdt miic oxi hoa nha't C6ng thiic XY la A MgO B LiF C AIN D NaF 1.4 Trong phan ling d6't chay CuFeSz tao san pham CuO, FejOj va SO2 thi m6t phan tu CuFeSi se A nhucmg 13 electron B nhan 12 electron C nhan 13 electron D nhucrng 12 electron 1.5 1.6 Day g6m cac ion X^, Y" va nguySn tir Z ddu c6 ca'u hinh electron ls22s'2p*^ la A Na", Cr, Ar B U\, Ne C.Na^F-,Ne D K \, Ar Anion X" va cation Y^' d^u c6 cau hinh electron Idp ngoai cung la Ss^Sp** Vj tri cua cac nguyen to bang tuSn hoan cac nguyen t6' hoa hoc la : A X CO s6' thu- tu 17, chu ki 4, nhom VIIA Y CO so thu- tu 20, chu ki 4, nhom IIA li X CO so thi'r tir 18, chu k i 3, nhom V I A Y CO so thir l i f 20, chu k i 4, n h o m l l A C X CO so thi'r t u 17, chu k i 3, nhom V I I A 1.13 hoan cac nguyen to hoa hpc, nguyen t6' X thupc Y CO so ihir tir 20, chu k i 4, n h o m I I A D X CO so thi'r tir 18, chu k i 3, nhom V I I A Y CO s6' thi'r t u 20, chu k i 3, n h o m I I A 1.7 1.14 N g u y e n tir cua n g u y f i n t6' X c6 cau hinh electron ls'2s^2p'^3s^3p'^4s', n g u y e n tir cua n g u y d n to Y c6 citu h i n h electron ls^2s^2p\ 1.8 B c6ng hoa t r i C i o n D cho - n h a n N g u y e n tir cua n g u y e n to X c6 t6ng s6' hat e l e c t r o n t r o n g cac phan Idfp p la So hat m a n g dien cua mot n g u y f i n tijr Y n h i ^ u h o n so hat m a n g d i e n cua m o t nguyen lir X la hat 1.9 B N a va C I C A l va C I D A l va P M o t nguyen tir cua nguyen to X c6 tdng so hat proton, natron, electron la 1.10 1.11 1.12 B 23 C 17 D 15 B phi kirn va k i m loai C k i m loai va khf hiem D k h i hiS'm va k i m loai 1.15 B.K,Mg,Si,N C K, M g , N , Si D N , Si, M g , K C ban k i n h nguyen tii g i a m , d6 am dien tang D ban k i n h nguyen t u tang, d6 am dien giam 1.16 1.17 B 40,00% C 27,27% > - D 60,00% Cac chat ma phan t u khong phan cue la A H B r , CO2, CH4 B CI2, CO2, Q H j C NH3, Br^, C2H4 D H C l , C2H2, Br2 M t ion M ' ^ c o t6ng s6' hat proton, natron, electron la 79, s6' hat mang dien n h i ^ u hon s6' hat khdng mang dien la 19 Ca'u h i n h electron cua nguyen tir M la 1.18 A [Ar]3dHs' B [ A r ] d M s l C [Ar]3d'*4s' D [Ar]3dMsl Cac k i m loai X , Y , Z c6 ca'u hinh electron nguyen tijr lAn lupt la: ls^2s^2p'3s'; ls'2s^2p^3s^ ls^2s^2p'3s^3p' Day g m cac k i m loai xe'p theo chieu tSng ddn tinh khi'r tiJr trai sang phai la 1.19 Trong hop chat k h i ciia nguyen 16' X \'6i hidro, X chifi'm 94,12% k h o i A 50,00% Cac nguyen t6' tir L i de'n F, theo chi^u tang ciia dien tich hat nhan thi B ban k i n h nguyen t u va d6 am dien d^u tang Nguyen lir ciia nguyen to X c6 cau hlnh electron ngoai cung la ns'^np'' lupng Phdn tram khoi lirpng cua nguyen t6' X o x i t cao nha't la Nhan d j n h nao sau day dung k h i noi v6 nguyen tijr: ^3 X , 26 Y , ^ ^ Z ? A ban ki'nh nguyen t u va d6 am dien d^u giam Cho cac nguyen to: K ( Z = 19), N ( Z = 7), Si ( Z = 14), M g ( Z = 12) Day g6m cac nguyen 16' dupe sdp x6'p theo chieu giam dan ban ki'nh nguyen tuf tir trai sang phai la A M g , K , S i , N D chu k i 3, n h o m V I B p X va Z CO ciing s6' kh6'i Nguyen t u ciia nguyen t6' X c6 electron a muc ni5ng lirgng cao nha't la 3p Nguyen t u ciia nguyen to Y cung c6 electron cf mv!c nang lucmg 3p va c6 mot electron a \dp ngoai cdng Nguyen lir X va Y c6 so electron hon kem la Nguyen to X , Y lan lugt la A k i m loai va k i m loai C chu k i 4, n h o m V I I I A C X , Y thu6c Cling m6t nguyen t6' hoa hpc 52 va CO so k h o i la 35 S6' hieu nguyfin t u cua nguyen to X la A 18 B chu k i 4, nhom V I I I B B X , Z la d6ng v i ciia ciing m6t nguyfen t6' hoa hpc Cac n g u y e n t o X va Y lan l u m la A FevaCI A chu k i 4, nhom I I A A X va Y CO cung s6' notron L i e n kfi't hoa hoc giCra n g u y e n tir X va nguySn tir Y thudc l o a i I'ltn ket A kirn l o a i Ca'u h i n h electron cua ion X^* la l s ^ s ^ p ^ s ^ p ^ d ^ T r o n g bang tuSn 1.20 A Y, Z, X B Z , X , Y C.X,Y,Z D.Z,Y,X Day g m cac k i m loai c6 ca'u tao mang tinh the lap phuong tarn khd'i la A L i , Na, K B Be, M g , Ca C.Li,Na,Ca D Na, K, M g L i e n ket hoa hpc giiJa cac nguyen til phan njr H2O la lien ke't A c6ng hoa trj khong phan cue B hidro C cpng hoa t r i phan cue D ion ;.7 Cho cac can bang hoa hoc: N2 (k) + H2 (k) < > NH3 (k) H2(k) + l2(k) ^ ± 2HI(k) P H A N U N G O X I H O A - KHLT, T O C D O P H A N UNO VA C A N B A N G H O A H O C Di kbit ion Cu^"^ dung dich C U S O c6 the' diing kim loai A Fe B Na C K D Ba 2.2 Cho phiromg trinh hoa hoc cua phan ling tong hop amoniac: 2.1 N2(k) + 3H2(k) 2NH3(k) Khi tang ndng d6 ciia hidro Ifin l^n, t6'c d6 phan ling thuan A tang len Ian B giam di iSn C tang len iSn D tang Itn l^n 2.3 Cho cac phan ung xay sau day : (1) AgNOj + Fe(N03)2 -» Fe(N03)3 + Ag>l^ (2) Mn + 2HCI MnClj + H21 Day cac ion sap xfi'p theo chi6u tang dSn tfnh oxi hoa la A ,Ag+, Fe3+, H+ , M n + B Ag+ , Mn^^, H+ , Fe^+ C M n + , H+ , Ag+, Fe^^ D Mn^^, H + , Fe^+, Ag+ 2.4 T6ng he s6' (cac so nguyen, t6'i gian) ciia tat ca cac chat phuomg trinh phan ling giua Cu vdri dung djch HNO, dac, nong la A 10 B 11 C.8 D.9 2.5 Cho can bang hoa hoc: SOj (k) + O2 (k) N204(k) (4) Khi thay d6i ap sua't, nhung can bang hoa hoc bi chuyen dich la A (1), (2), (3) B (2), (3), (4) C.(l),(3),(4) D.(l),(2),(4) 2.8 Cho phan ung hoa hoc: Fe + C U S O FeS04 + Cu Trong phan ung trSn xay ra: A str khtr Fe^"^ va sir oxi hoa Cu B sir khur Fe^+ va su khir Cu^+ C su oxi hoa Fe va su oxi hoa Cu D su oxi hoa Fe va su khur Cu^^ 2.9 Cho cac can bang sau: (1) 2S02(k) + 02 (k) xt,t" ± 2S0., (k) xt,t (2) N2 (k) + 3H2 (k) ^ ± 2NH3 (k) (3) CO, (k) + n, (k) ± CO (k) + H2O (k) (4) 2HI (k) ± H2 (k) +12 (k) Khi thay d6i ap sua't, nhom gdm cac can bang hoa hoc d^u chuye'n dich la A.(l)va(2) B.(l)va(3) C (3) va (4) 2.10 Cho cac phan ung sau: (a) 4HC1 + Pb02 (b) HCl ->PbCl2+Cl2+2H20 + NH4HCO3 — ^ N H C I + CO2 + H2O (c) 2HC1 + H N O (d) D (2) va (4) 2HC1 + Zn > N O + CI2 + H O > ZnCl2 + khong bi S6' phan ung HCl the hien ti'nh khii A B C D 2.11 Cho chat xuc tac M n vao 100 ml dung dich H2O2, sau 60 giay thu duoc 33,6 ml Oj (cr dktc) T6'c trung binh ciia phan ung (tinh theo H2O2) 60 giay tren la A 5,0.10' moV (/.s) B 5,0.10^ mol/ (/.s) C 2,5.10-^ mol/ (Is) D 1,0.10'' mol/ (/.s) 2.12 Cho day cac chat va ion: Zn, S, FeO, SOj, N2, HCl, Cu'% Cr So chat va ion CO ca tinh oxi hoa va tinh khir la C chi th^ hien tinh khur D khong the hien tinh khu va tinh oxi hoa 2.17 Cho cac can bang sau: (I) H I ( k ) < = ± H2(k) + l2(k); (II) CaCO, (r) < = > CaO (r) + CO2 (k); (III) FeO (r) + CO (k) < > Fe (r) + CO2 (k); (IV) 2S02(k) + 02(k) < > 2SO;(k) A B.5 Khi giam ap suat ciia he, s6' can bang bi chuye'n dich theo chieu nghich la D A B C D C 2.13 Cho can bang: 2SO2 (k) + O2 (k) < > 2SO, (k) Khi tang nhiet d6 thl ti khdi cua h6n hop so vdi H2 giam di Phat bi^u dung noi v6 can bang la: A Phan utig thuan toa nhiet, can bang dich chuyin theo chi^u nghich tang nhiet d6 B Phan ling nghich thu nhiet, can bang dich chuyfi'n theo chi6u thuan tang nhiet dp 2.18 Cho can bang hoa hoc: PCI, (k) < > PCI3 (k) + CI2 (k); AH > c a n bang chuyen djch theo chieu thuan A tang ap suat ciia he phan ung B tang nhiet cua he phan ung C them PCI3 vao he phan ung D them CI2 vao he phan ung 2.19 Cho phan ung: NajSO, + KMn04 + NaHS04 ^ Na2S04 + MnS04 + K2SO4 + H2O C Phan ling nghich toa nhiet, can bang dich chuyfin theo chi6u thuan tang nhiet Tdng he s6' ciia cac cha't (la nhCing so nguyen, t6'i gian) phuong trinh phan ling la D Phan ung thuan thu nhiet, can bang dich chuydn theo chieu nghich tang nhiet d6 A 27 B.47 C 31 D 23 2.14 Nung nong tiTng cap cha't sau binh kin: (1) Fe + S (r), (2) FejO, + CO (k), (3) Au + O2 (k), (4) Cu + Cu(N0.,)2 (r), (5) Cu + KNo", (r), (6) A l + NaCl (r) Cac truong hcfp xay phan ung oxi hoa k i m loai la 2.20 Nguyen tir S dong vai tro vijfa la cha't khir, vira la chat oxi hoa phan ling nao sau day? A.(l),(4),(5) B (2), (3), (4) A S + 2Na — ^ > Na2S C (2); (5), (6) D.(l),(3),(6) B S + 3F2 2.15 Cho X mol Fe tan hoan toan dung dich chiia y mol H2SO4 (ti 16 x : y = : ) , thu duoc mot san phaim khu nha't va dung dich chi chira mu6'i sunfat S6' mol electron luong Fe tren nhucmg bi hoa tan la A 2x B 3x C y D.2y 2.16 Cho phan ung: 2C6H5-CHO + K O H ^ CfiHs-COOK + CfiHs-CHj-OH Phan ung chung to CfiH^-CHO: A vira the hifin tinh oxi hoa, vira the hien tinh kh\i B chi th^ hien tinh oxi hoa ^^SFfi C S + H N , (dac) — ^ H2SO4 + 6NO2 + 2H2O D 4S + 6NaOH(dac) — ^ 2Na2S + Na2S203 + 3H2O S U D I E N L I 3.1 Khi hoa tan hidroxit kim loai M(0H)2 bang mot luong vira du dung dich H2SO4 20% thu duoc dung dich mudi trung hoa c6 ndng 27,21% Kim loai M la A Cu B Zn C Fe aMg ^ 3.2 Trong so cac dung dich : Na^CO,, KCl, CH^COONa, NH4CI, NaHS04, 3.3 3.4 dich NaOH ndng dO a (mol//), thu duoc 200 ml dung dich c6 pH - !2 A NaoCO,, QH.ONa, CH,COONa Gia tri cua a la (biet moi dung dich [H^][OH ] = j O""*) B NajCO,, NH4CI KCl A 0,15 B 0,30 C KCl, CftH,ONa, CH,COONa C 0,03 D 0,12 D NH4CI, CH.COONa, NaHS04 Khi cho 100 ml dung dich KOH I M vao 100 ml dung djch HCl thu duoc dung djch c6 chiia 6,525 gam chat tan N6ng dO mol (hoac mol/1) ciia HCl dung dich da dung la trai sang phai la A (3), (2), (4), (1) B (4), (1), (2), (3) C.0,25M D.0,5M C (1),(2).(3),(4) D.(2),(3),(4),(l) Mot dung dich chiia 0,02 mol Cu^^ , 0,03 mol K"", x mol CP va y mol A 0,03 va 0,02 B 0,05 va 0,01 C 0,01 va 0,03 D 0,02 va 0,05 Day g6m cac chat deu lam quy tim am chuyen sang mau xanh la 3.11 Nho tir ttr 0,25 lit dung dich NaOH 1,04M vao dung dich gdm 0,024 mol FeCl,; 0,016 mol Al2(S04), va 0,04 mol H2SO4 thu duoc m gam kel tiia Gia tri ciia m la A 2,568 B 1,560 C 4,128 D 5,064 3.12 Day g6m cac ion (khOng ki 6€n su phan l i cua nude) ciing t6n tai mot dung dich la B amoni clorua, metyl amin, natri hidroxit A A l ' ^ N H ^ , Br , O H B Mg^^ K ^ s o ^ - C anilin, metyl amin, amoniac c H ^ Fe'^ N O , s o ^ ~ ^2- D A g ^ N a \, c r D anilin, amoniac, natri hidroxit 3.8 KNO3 (4) Gia tri pH cua cac dung djch duoc sap xep theo chili; ang tCr B I M A metyl amin, amoniac, natri axetat 3.7 3.10 Cho cac dung djch c6 ciing nong do: N a C ( l ) , H2SO4 (2), I ' C I (3), A.0,75M Gia tri cija x va y Ian luot la 3.6 Tron 100 m l dung dich c6 pH = g6m HCl va H N O , vdi 100 i i l dung Q H s O N a Nhifng dung dich c6 pH > la S ~ Tong khdi luong cac mudi tan c6 dung dich la 5,435 gam 3.5 3.9 Dung dich HCl va dung dich CH3COOH c6 cung nong d6 mol, pH cua hai dung dich tuong ung la x va y Quan he giua x va y la (gia thie't, ci[ 100 phan tu CH3COOH thi c6 phan tiJ dien l i ) A y = lOOx B y = 2x C y = x - D y = x + Tron lan V m l dung dich NaOH , I M v6i V m l dung dich HCl 0,03M duoc 2V ml dung dich Y Dung dich Y c6 pH la A B C.l D.4 Cho cac chat: KA1(S04)2.12H20 ,C2H30H ,C,2H220,, (.saccarozo),CH3COOH, Ca(0H)2, PC 3- 3.13 Tron 100 ml dung dich h6n hop gom H2SO4 0,05M va HCl 0,1M vdi 100 ml dung djch h6n hop gom NaOH 0,2M va Ba(OH)2 0,1M, thu duoc dung djch X Dung djch X c6 pH la A 12.8 B 13,0 C 1,0 D 1,2 3.14 Dung dich X chiia hdn hop g6m Na^CO, 1,5M va K H C O , I M Nho tiir tir timg giot cho den het 200 ml dung djch HCl I M vao 100 ml dung djch X, sinh V lit (0 dktc) Gia trj ciia V la A 3,36 B 1,12 C 4,48 D 2,24 3.15 D6't chay hoan toan m gam h6n hop ancol don chirc, thuOc ciiiii, day d6ng dang, thu duoc 3,808 lit CO2 (dktc) va 5,4 gam H2O CH3COONH4 Gia trj cCia m la So chat dien li la A B C D A 5,42 B 4,72 C 7,42 D 5,72 6.22 Cho V h't dung djch NaOH M vao dung dich chiia 0,1 mol Al2(S04)3 va 0,1 mol H2SO4 den phan I'mg hoan loan, thu dugc 7,8 gam ke'l tua Gia trj 1dm nha't cua V di thu dugc luang ket tua trfin la A 0,35 B 0,45 C 0,25 D 0.05 6.23 Cho h6n hop bot g6m 2,7 gam A l va 5,6 gam Fe vao 550 ml dung dich AgNO, I M Sau cac phan irng xay hoan toan, thu dugc m gam chat ran Gia tri cua m la A 32,4 B.64,8 C 59,4 D 54,0 6.24 Nung nong m gam h6n hgp A l va Fe203 (trong m6i trucmg kh6ng c6 khong khi) den phan ling xay hoan toan, thu dugc h6n hgp rSn Y Chia Y phan bang nhau: - Phiin tac dung vdi dung dich H2SO4 loang (du), sinh 3,08 lit H2 (a dktc) - Phan tac dung vdi dung dich NaOH (du), sinh 0,84 lit H2 (6 dktc) Gia tri ciia m la A 22,75 B 29,43 C 29,40 D 21,40 6.25 Nung mot h6n hgp ran g6m a mol FeCO, va b mol FeSz binh km chiJa khong (du) Sau cac phan iJng xay hoan toan, dua binh v^ nhiet ban dilu, thu dugc chat ran nha't la Fe20, va h6n hgp Biet ap suat binh trirdfc va sau phan ling bang nhau, moi lien h6 giOa a va b la (biet sau cac phan iJng, luu huynh d miic oxi hoa +4, the ti'ch cac chat ran la kh6ng dang ki): A a = 0,5b B a = b C a = 4b D a = 2b 6.26 Cho 9,12 gam h6n hgp g6m FeO, Fe203, Fe304 tac dung vert dung dich HCl (du) Sau cac phan ung xay hoan toan, dugc dung dich Y; cd can Y thu dugc 7,62 gam FeCl2 va m gam FeCl3 6.28 Anh hucmg ciia nhom - O H d6n g6c C.H, - phan tii phenol thi hien qua phan ling giua phenol vd'i A dung dich NaOH B Na kim loai C nuorc Br2 D H2 (Ni, nung nong) 6.29 Chia m gam A l hai phan bang nhau: - PhSn mgt tac dung v6i lugng du dung dich NaOH, sinh x mol H j - Phan hai tac dung vdi lugng du dung dich HNO3 loang, sinh y mol N2O (san pham khu nha't) Quan he giiJa x va y la A y = 2x B X = y C X = 4y D X = 2y 6.30 Hoa tan hoan toan Fe304 dung dich H2SO4 loang (du) dugc dung dich X | Cho lugng du bdt Fe vao dung dich X, (trong dieu kien khong c6 khdng khi) d6'n phan ung xay hoan toan, thu dugc dung dich X2 chiia cac cha't tan la A Fe2 (804)3 va H2SO4 B FeS04 C Fe2(S04)3 D FeS04 va H2SO4 6.31 Hoa tan het 7,74 gam h6n hgp bdt Mg, A l bang 500 ml dung dich h6n hgp HCl I M va H2SO4 0,28M thu dirge dung dich X va 8,736 lit H2 (cy dktc) C6 can dung djch X thu dugc lugng mu6'i khan la A 38,93 gam B 25,95 gam C 103,85 gam D 77,86 gam 6.32 D6't nong m6t h6n hgp gom A l va 16 gam FcjO, (trong di^u kien khong CO khong khi) den phan irng xay hoan toan, thu dugc h6n hgp ran X Cho X tac dung viira du v&i V ml dung dich NaOH I M sinh 3,36 lit H2 (6 dktc) Gia tri ciia V la Gia tri ciia m la: A 9,75 B 8,75 A 300 B 100 C 7,80 D 6,50 C 200 D 150 6.27 Cho 1,9 gam h6n hgp mu6'i cacbonat va hidrocacbonat cija kim loai ki^m M tac dung het vdfi dung dich HCl (du), sinh 0,448 lit (or dktc) K i m loai M la A.Na B.K CRb D.Li 6.33 Cho m, gam A l vao 100 ml dung dich gom Cu(N03)2 0,3M va AgN03 0,3M Sau cac phan ling xay hoan torn thi thu dugc mj gam chat ran X Neu cho mj gam X tac dung v6i lugng du dung dich HCl thi thu dugc 0,336 lit (d dktc) Gia tri ciia m, va m2 Ian lugt la A 8,10 va 5,43 B 1,08 va 5,43 C 0.54 va S ifi nin8va5.l6 6.34 Hoa tan hoan toan m gam h6n hop X g6m N H J O va Al^O, vao H O thu duac 200 ml dung dich Y chi chiia chat tan nha't c6 n6ng d6 0,5M Thoi C O (du) vao Y thu duac a gam ket tiia Gia tri cua m va a Mn lugt la A 8,3 va 7,2 B 11,3 va 7,8 C 13,3 va 3,9 D 8,2 va 7,8 6.35 Cho dung dich chura 0,1 mol (NH4)2C03 tac dung \di dung dich chiJa 34,2 gam Ba (OH)2 Sau phan utig thu dugc m gam ket tiia Gia tri ciia m la A 19,7 B 39,4 C 17,1 D 15,5 6.36 Cho m gam h6n hop X gom FeO, FcjO,, Fe,04 vao m6t lucmg vCra dii dung djch HCl 2M, thu duoc dung djch Y c6 ti It s6 mol Fe^^ va Fe'^ la : Chia Y hai ph^n bang Co can phan m6t thu dugc m, gam muoi khan Sue clo (du) vao phan hai, c6 can dung dich sau phan irng thu dugc m j gam mu6'i khan Bie't m2 - m, = 0,71 The' ti'eh dung djch HCl da dung la A 240 ml B 80 m l C 320 ml D 160 ml 6.41 Gia tri ciia m 1^ 6.42 B.5,04 C 4,32 D 2,88 6.38 Hoa tan hoan toan 8,862 gam h6n hgp A l va Mg vao dung dich HNO, loang, thu dugc dung dich X va 3,136 lit (cf dktc) h6n hgp Y gom hai khong • mau, co m6t hoa nau kh6ng Kh6'i lurgng cua Y la 5.18 gam Cho dung djch NaOH (du) vao X va dung nong, kh6ng c6 mui khai thoat Phan trSm khoi lugng ciia A l h6n hgp ban dau la A 19,53% B 12,80% C 10,52% D 15,25% 6.44 6.45 6.39 Hoa tan hoan toan 47,4 gam phen chua KA1(S04)2.12H20 vao nude thu dugc dung djch X Cho toan b6 X tac dung wdi 200 ml dung djch Ba(OH)2 I M , sau phan umg thu dugc m gam k6't tiia Gia tri m la A 7,8 B 46,6 C 54,4 D 62,2 6.40 Hoa tan hoan toan 2,9 gam h6n hgp g6m kim loai M va oxit ciia no vao nuoc, thu dugc 500 ml dung dich chiia mot chat tan c6 nong d6 0,04M va 0,224 lit H2 (or dktc) K i m ioai M la A Ca B K C Na D Ba A 48,4 B 52,2 C 58,0 D 54,0 Hoa tan m gam h6n hgp Al, Fe v^o dung dich H2SO4 loang (du) Stw cdc phan utig xay hoan tokn, thu dugc dung dich X Cho dur»g «^ch Ba(OH)2 (du) vao dung dich X , thu dugc ket tiia Y Nung Y kh6ng de'n kh6'i lugng kh6ng ddi, thu dugc chat ran Z la A h6n hgp g6m A l j O , va Fe203 B h6n hgp g6m BaS04 vk Fe^Oj C h6n hgp g6m BaS04 va FeO D FcjO, 6.43 Nung nong m gam h6n hgp g6m Al va Fe304 dieu kifin khdng c6 khCng Sau phan ling xay hoan toan, thu dugc h6n hgp rftn X Cho X tac dung v6i dung dich NaOH (du) thu dugc dung dich Y, chAt rdn Z va 3,36 lit H2 (d dktc) Sue CO2 (du) vao dung dich Y, thu dugc 39 gam ket tua Gia tri cua m Ik 6.37 Cho m gam M g vao dung dich chiia 0,12 mol FeClv Sau phan ling xay hoan toan thu dirge 3,36 gam chat ran Gia tri cua m la A 2,16 Hok tan hoan to^n 20,88 gam m6t oxit sat bang dung dich H2SO4 dftc, nong thu dugc dung dich X va 3,248 lit SO2 (san phdm khir nWt, Cf dktc) C6 can dung dich X , thu dugc m gam mu6'i sunfat khan 6.46 A 48,3 B 45,6 C 36,7 D 57,0 Hoh tan hoan toan 12,42 gam Al bang dung dich H N O , loang (du), thu dugc dung dich X vk 1,344 lit (d dktc) h6n hgp Y g6m hai \k N^O va Nj Ti khfi'i cCia h6n hgp Y so vdi H la 18 C6 can dung djch X , thu dugc m gam chat ran khan Gia tri ciia m \k A 34,08 B 38,34 C 106,38 D 97,98 Cho 7,1 gam h6n hgp g6m m6t kim loai ki^m X va m6t kim loai ki^m A d Y tac dung he't vori lugng du dung dich HCl loang, thu dugc 5,6 lit (dktc) kim loai X , Y Ik A kali va bari B kali va canxi C natri vk magic D liti va beri Hok tan hoan toan 2,44 gam h6n hgp b6t X g6m Fe,Oj, wk Cu bang v**iag dich H2SO4 dac nong (du) Sau phan ling thu dugc 0,504 lit SOj (san ph^m khijf nh^t, a dktc) va dung dich chiia 6,6 gam h6n hgp mu6'i sunfat Ph^n tram khd'i lugng ciia Cu X \k A 39,34% B 65,57% C 26,23% D 13,11% 6.47 Tfon 10,8 gam bdt Al vori 34,8 gam b6t F e r6i tie'n hanh phan dmg v.u/nhiet nh6m di^u kien kh6ng c6 khong Hoa tan hoan loan h6n hop ran sau phan irng bang dung dich H2SO4 loang (du), thu duoc 10,752 lit Hj (dklc) Hieu suat cua phan umg nhiet nh6m la A 80% B 90% C 70% D.60% 6.48 Hoa tan hoan loan 2,45 gam h6n hop X gom hai kim loai kiem tho vao , 200 ml dung dich HCl 1,25M, thu dirge dung dich Y chiia cac chat tan c6 nong mol bang Hai kim loai X la A MgvaCa B Be va Mg C.MgVa Sr D Be va Ca TONG HdP NQl DUNG CAC KIEN THUC HOA \6 CHUONG TRINH PHO THONG 7.1 Cho cac cap kim loai nguyen chat tifip xiic true tiep vai : Fe va Pb ; Fe va Zn ; Fe va Sn ; Fe va Ni Khi nhiing cac kim loai tien vao duiig dich axit, s6' cap kim loai Fe bi pha hiiy trudc la 7.2 > 6.49 Cho 1,56 gam h6n hop gom Al va AI2O, phan ifng het v6i dung dich HCl (dir), thu dugc V lit khf Hj (dktc) va dung dich X Nho tir tCr dung dich , NH-, den du vao dung dich X thu dugc ket tiia, Igc het lugng ke'l tiia, nung den khfi'i lugng kh6ng ddi thu dugc 2,04 gam cha't ran 7.3 B 1,344 C; 0,672 D 0,448 7.4 B C D Co the dung NaOH (d the ran) dc lam kh6 cac chat A NH3,S02,CO,Cl2 B N2,N02,C02,CH4,H2 C NH3,02,N2,CH4,H2 D N2,Cl2,02,C02,H2 Cho S phan ung : NaCl (X) NaHCOj ^ (Y) -> NaNOj A NaOH va NaClO B Na2C03 va NaClO C NaC103 va Na2C03 D NaOH va Na2C03 Trong cac dung dich : HNO3, NaCl, Na2S04,Ca(OH)2, Ba(HC03)2 la (du), thu dugc dung dich chu-a 7,5 gam muoi sunfat trung hoa A HN03,NaCl, Na2S04 C6rig thuc cua muoi hidrocacbonat la B HN03,Ca(OH)2,KHS04,Na2S04 A MglHCO,)^ B.NaHCO, C Ca(HCO,)2 D Ba(HC0,)26.51 Cho h6n hgp gom 6,72 gam Mg va 0,8 gam MgO tac dung het vdi lugng du dung dich HNO, Sau cac phan ung xay hoan toan, thu dugc 0,896 lit mot X (dktc) va dung dich Y Lam bay hdi dung dich Ythu dirge 46 g-im mu6 khan Khi X la C NaCl Na2S04,Ca(OH)2 D HN03,Ca(OH)2,KHS04,Mg(N03)2 7.5 H6n hgp X chira NajO, NH4CI, NaHCO, va BaCl2 c6 so mol m6i chat de bang Cho h(5n hgp X vao H2O (du), dun nong, dung dich thu dugc chiia A NaCi, NaOH, BaCl2 A N2O B NO B NaCl C N2 D NO2 C NaCl, NaOH D NaCl, NaHCO,, NH4CI, BaCl2 6.52 Cho 29,8 gam h6n hgp hot g6m Zn va Fe vao 600 ml dung dich CUSO4 ' 0,5M Sau ede phan irng xay hoan toan, thu dugc dung dich X va 30,4 gam h6n hgp kim loai Phan tram ve khoi lugng ciia Fe h6n hgpbanddula A 37,58% B 64,42%: C 43,62% D 56,37% KHSO4, Mg(N03)2, day gom cac chat d6u tac dung dirge vdi dung dich 6.50 Cho 9,125 gam muoi hidrocacbonat phan irng het vdri dung dich H2SO4 • A XvaYcolhe'la • GiatricuaVla A 0,224 CO THUOC 7.6 Cho tir tijr dung dich chira a mol HCl vao dung dich chiia b mol N ;0, dong thdi khuay deu, thu dugc V 1ft (a dktc) va dung dich X Kni cho du nirdc v6i vao dung dich X thay c6 xua't hien ket tiia Bieu thu-c lien he giira V vdri a, b la A V = 22,4(a-b) B V = 11,2(a - b) C.V= ll,2(a + b) D V = 22,4(a + b) 7.12 X \k kirn loai phan ung dugc v6i dung dich H S O loang, Y Ik kirn loai 7.7 tac dung dugc vdi dung dich Fe(N03)3 • Hai kirn loai X, Y l^n lugt Ik: Cho cac phan ling sau : a) FeO+HN03d,,„,,„g (bie't thu- tu day the' dien hoa: FQ^*/Fe^-^ ^ A A g , M g b) FeS+H2S04j,,„,„g 7.13 d) Cu + dung djch FeClg t) CH3CHO +H2 ) (3) NH3 + O2 (5) NH4CI g) C2H4 + Br^ -> t" (2) NH4NO2 — 850" C P t (4) NH3 + CI2 — (6) NH3 + CuO Cac phan ling d^u tao khf N2 la: h) glixerol (ghxerin) + Cu(0H)2 - > Day g6m cac phan Crng d i u thu6c phan img oxi hoa - khuf la A a, b, d, e, f, h B a, b, d, e, f, g C a, b, c, d, e, h D a, b, c, d, e, g K h i nung nong h6n hop cac chat Fe(N03)2, Fe(OH), va FeCO, A Fe304 B FeO C Fe D Fe203 Ha'p thu hoan toan 2,688 1ft CO2 (cr dktc) va 2,5 1ft dung dich Ba(0H)2 n6ng d6 a mol/lft, thu duoc 15,76 gam ke't tiia Gik tri cua a la A ( l ) , (3), (4) B ( l ) , (2), (5) C (2), (4), (6) D (3), (5), (6) 7.14 Cho cac cha't: A l , A I O , khOng de'n kh6'i luong kh6ng d6i, thu dugc m6t chat ran Ik 7.9 D M g , A g Cho cac phan ling sau: (1) Cu(N03)2 • f) glucozo+ AgN03 (hoSic Ag20)trong dung dich NH3 - > 7.8 B Cu, Fe C Fe, Cu c) AI2O3 + H N O , - > dung tru6c Ag""/Ag) , AI2 (804)3, Zn(OH)2, SO' chat d6u phan ihig dugc vdi dung dich HCl, dung djch NaOH Ik A chat B chaft C chat D cha't 7.15 Cho V 1ft h6n hgp (o dktc) g6m CO va H2 phan irng \6i m6t lugng du hOn hgp ran g6m CuO vk Fe,04 nung nong Sau phan ling xay ho^n toan, khO'i lugng h6n hgp ran giam 0,32 gam Gia tri ciia V Ik B 0,048 A 0,112 B 0,560 C.0,06 D.0,04 C 0,224 D 0,448 7.16 TiJr hai mu6'i X va Y thuc hifin cac phan ung sau: Zn(OH)2 SO' chat day c6 tfnh chat luofng tfnh la X A B X, + H2O - > X2 C D 7.11 Menh dg khong dung la A Fe^"^ oxi hoa dugc Cu B Fe khir dugc Cu^"^ dung dich C Fe-''^ CO tfnh oxi hoa manh hon Cu^^ D Tfnh oxi h6a ciia cac ion tang theo thii tu: Fe^"*", H"*", Cu^"^, Ag"^ K2SO3, (NH4)2C03 A 0,032 7.10 Cho day cac cha't : Ca(HC03)2 , N H C I , (NH4)2S04, ZnS04 , A1(0H)3, NaHS, X2+Y X , + CO2 ^ X + Y , + H2O X + Y - > X + Y2 + H Hai muO'i X , Y tuong ling la A BaCOj , NajCOs, B CaC03, NaHS04 C MgC03, NaHCOj D CaC03, NaHCOj ^7 7.21 Trucrng hgp khong xay phan ung hoa hoc la 7.17 C"ho cac phan ling sau: 4Ha+Mn02 MnCl2 + CI2 + H O B FeCl2 + H2S 2HC1 + Fe -> F e d + H 2KC1 + 2CrCl3 + CI2 + H2O 14HC1 + K2C.2O7 A O + H S — ^>- 2H2O +2SO2 FeS + 2HC1 C O2 + K I + H2O ^ D CI2 + 2NaOH 6HC1 + 2A1 -> 2AICI3 + H 16HC! + 2KMnO^ -> 2KC1 + M n a + CI2 + H2O So phan img HCl the hien tinh oxi hoa la A phan ung B phan urng C phan ling D I phan umg 7.18 Cho 2.16 gam M g tac dung vdti dung dich HNO, (du) Sau phan xay hoan toan thu duoc 0,896 lit NO (d dktc) va dung dich X K H + I2 + O2 NaCl + NaClO + H2O 7.22 Cho day cac cha't: N H a ,(NH4)2S04 , NaCl, M g C l j , FeCl2, AICI3 So chat day tac dung v6i luong du dung dich Ba(OH)2 tao ket tiia la ' A Schaft B chat C cha't D chat 7.23 Cho day cac cha't: KOH, Ca(N03)2, SO3 , NaHS04, Na2S03, K2SO4 Khoi luong muoi khan thu duoc lam bay hoi dung dich X la S6' chat day tao ket tua phan ung v6i dung dich Baa2 la A, 8,88 gam B 13,92 gam A B.6 C, 6,52 gam r) 13.32 gam C.3 D 7.24 Hai kim loai X , Y vacac dung dich mud'i clorua cua chung c6 cac phan ung hoa hoc sau: 7.19 Cho c :;c phan iJng: Ca(OH)2 + CI2 - > CaOCh + H j P X + 2YC1, - > XCl2 + j C l 2H2S I- SO2 -> 3S + 2H2O 2MO +2NaOH -> NaNOj + NaNO, + H2O 4KCIO3 O3 Y + XCI2 ^ YCI2+ X Phat bidu dung la: A Ion Y'^^ CO tinh oxi hoa manh hen ion X^"^ -> K C U K a B K i m loai X khii duoc ion Y^"*" O2 + O C Kim loai X c6 tinh khur manh hon kim loai Y So phan ung oxi hoa - khix la A B.2 C.3 D-4 7.20 Cho cac phan ling: (1) O3 + dung dich K I D Ion Y-^^ CO tinh oxi hoa manh hon ion X^"^ 7.25 Day gom cac chat viira tan dung dich HCl, vira tan dung dich NaOHla A NaHCO^, MgO, Ca(HC03)2 B NaHCO^, ZnO, Mg(0H)2 C NaHCO,, Ca(HC03)2, AI2O, D MgCOH)., A\^0„ Ca(HCO,)2 7.26 l l i i nghiem nao sau day c6 ket tua sau phan ling? (2) F2 + H2O — ^ A Cho dung dich NaOH den du vao dung dich CrCNO,), (3) Mn02 + HCl dac — > (4) CI2 + dung dich HjS B Cho dung dich HCl den du vao Cac phan ling tao don cha't la C Thoi CO2 den du vao dung dich Ca(0H)2 dung dich NaA102 (hoac Na[Al(OH)4]) A.ri),(2),(3) B.(l),(3),(4) C (2),(3),(4) D.(l),(2),(4) D Cho dung dich NH^ de'n dir vao dung dich AlCl, 39 Thtfc hiftn cdc thi nghiem sau: (I) Cho dung djch NaCl vao dung dich KOH (II) Cho dung dich NajCO, vko dung dich Ca(OH)2 ( n i ) D'itn phan dung dich NaCl vdi dien cue tro, c6 mang ngan ( I V ) Cho Cu (OH)2 vao dung dich NaNO, (V) Sue NH3 vao dung dich NajCO, (VI) Cho dung dich Na2S04 vao dung dieh Ba (0H)2 Cac thi nghiem A6u diiu che' duoc NaOH la A I , I I va I I I B I I , V va V I C I I , I I I va V I D I , I V va V 7.28 Khi nhiet phan hoan toan tumg mu6'i X, Y thi deu tao s6' mol nho hon s6' mol mu6'i tuong ling D6i m6t lucmg nho tinh th^ Y trfin den kh6ng mau, tha'y ngon lira c6 mau vang Hai mu6'i X, Y iSn luot la cac phan iJng d^u c6 cung m6t phuong trinh ion rdt gon \k 7.27 A CaCO,, NaNO, B KMn04, NaNO, C Cu(N03)2, NaNO, D NaNO,, K N O , 1.19 Cho dung dich chiia 6,03 gam h6n hop hai mu6'i NaX va NaY (X, Y Ih hai nguyen t6' c6 tu nhien, cr hai chu k i lien tie'p thu6c nhom V I I A , s6' hiftu nguyen tur Zx < Zy) vao dung dich A g N O , (du), thu diroc 8,61 gam kft't tua PHn tram kh6'i lugng ciia NaX h6n hop ban dSu la A 52,8% B 58,2% C.47,2% D.41,8% 7.30 7.32 7.33 7.34 S6 thi nghiem xay phan ling hoa hoc la A.3 B.4 C D >• (4) H2S04 + BaS03 > 7.35 C N O v^ A l D NO va M g Ne'u cho mol m6i chat: CaOClj, KMn04, K2Cr207, M n l^n luot phan B.KMn04 - D.MnOj Cho phuong trinh hoa hoc : A 23x-9y B.45x-18y C 13x-9y D.46x-18y Trucmg hop nho sau day khong xay phan ling hod hoc? A Sue HjS vao dung dieh FeCIj B Cho Fe vao dung dich H2SO4 loang, ngudi D Sue Clj vko dung dich F e C l 7.36 7.37 Cho bd'n h n hop, m i h n hop g m hai eha't ran c6 s6' mol bang nhau: NajO va A I O , ; Cu va FeCl,; B a C l va C U S O ; Ba va NaHCO, S6 h n hop CO th^ tan hoan toan nu6e (du) ehi tao dung dieh la A B C.4 D.3 Thuc hien cac thi nghiem sau: (I) Sue SO2 vko dung dieh KMn04 (II) Sue SO2 vao dung dich H^S (III) Sue h n hcjp NO2 vk O2 vko nude (IV) Cho Mn02 vao dung djch HCl dac, n6ng (5)(NH4)2S04+Ba(OH)2 (6)Fe2(S04)3 + Ba(N03)2 B N O va A l Sau can bang phuong trinh hoa hoc v6i he s6' eiia e^c eha't Ik nhutig s6' nguyen t6', t6'i gian thi he s6' cua H N O , la Cho c^c phan utig hoa hoe sau: (3) Na2S04 + BaCl2 A N O \h Fe C Sue H2S vao dung dich CuClj (IV) Nhiing la nh6m vao dung dieh H2SO4 dac, ngudi > Cho 3,024 gam m6t kim loai M tan he't dung dich H N O , loang, thu duoc 940,8 m l N,Oy (san ph^m khir nha't dkte) c6 t i kh6'i dd'i vdri H2 bang 22 Khi N,Oy va kim loai M la Fe,04 + H N O , - ) Fe(NO,), + N.O^ + H O ( i l l ) Sue C O vao nude Gia-ven (2) C U S O + Ba(N03 )2 D (3), (4), (5), (6) C.K2Cr207 (II) Sue SO2 vao nudfc brom > C (2), (3), (4), (6) A.CaOClj C cac thi nghiem sau: (1) (NH4)2S04 + BaCl2 B.(l),(3),(5),(6) ling voi luong du dung djch HCl dac, eha't tao luong CI2 nhi^u nha't \h (I) Nhiing sat vao dung dieh H2SO4 loang, ngudi 7.31 A.(l),(2).(3),(6) (V) Cho FcjO, vao dung dich H2SO4 dac, n n g > (VI) Cho S i vko dung djch HF 41 7.44 Khir hoan loan m gain oxit M.O^ cAn vita du 17,92 lit CO (dktc), thu dugc a gam kim loai M Hoa tan het a gam M bang dung dich H2SO4 dac nong (du), thu dugc 20,16 lit SO^ (san phdm khiJ nha't, d dktc) Oxit M,Oy la So thi nghiem c6 phan irng oxi hoa - khur xay 1& A B C.6 7.38 Phat bieu khong diing la: D A K i m cuang, than chi, fuleren la cac dang ihu hmh cua cacbon B Hidro sunfua bi oxi hoa bai nude clo d nhift dO thircmg ' C Tat ca cac nguyen t6 halogen d^u c6 cac s6 oxi hoa: - , + , +3, +5 va +7 cdc hop chat , B 42,25% C 39,76% D 45,75% C CFjClj bi cam sir dung thai quyen thi pha hiiy tdng ozon D Trong phong ihi nghiem, N2 dugc di6u che' bang each dun nong dung dich NH4NO2 bao hoa 7.40 Co cac phat bieu sau: 7.47 Co dung dich rieng biet: CUSO4, ZnClj, FeCl,, AgNO, Nhung vao m6i dung dich m6t Ni So trudng hgp xuat hien an mon dien hoa la (3) Bdt nh6m l u boc chay tiep xiic vdi clo A B.4 (4) Phen chua C O cong tliiic la Na2S04.Al2(S04)v24H20 C D.2 7.48 Chosod6chuyenhoii: A.(l),(3),(4) B (2), (3), (4) P2O, C.(l).(2),(3) D.(l),(2),(4) Cac chat X, Y , Z Idn lum la: 7.41 H6n hop X g6m Nj va Hj c6 ti kli6T so vdi He bang 1,8, Dun nong X m6t thoi gian binh kin (c6 bdt Fe lam xiic tac), thu duoc h6n hop Y co ti khoi so vdi He bang Hieu suat cua phan utig tdng hop N H , la A 50% B.40% C 36% D 25% 7.42 Cho cac chat: NaHCO,, CO, Al(OH), FeCOH),, HP, Cl^, NH4GI S6' cha't tac dung dugc voi dung djch NaOH loango nhiet thircmg la , A B C.6 D.4 ' ' 7.43 Phuong phap de loai bo tap chat HCl co iSn khf HjS la: Cho h6n hop loi tir lir qua mot lugng du'dung dich 42 A 48,52% B Dam chay magie co the dugc dap tit bang cat kho D K i m loai magie c6 kie'u mang tinh th6' lap phirong tarn dien Cac phat bieu dung la mu6'i canxi A Dung dich dam dac cua Na2SiO,va K2Si03dugc ggi la thuy tinh long C Theo chieu tang dan cua dien tich hat nhan, cac kim loai kiem tho (tCr beri den bari) c6 nhiet dd nong chay giam dan (2) Ion Fe''^ c6 ca'u hinh electron viqt gon la [Ar]3d\ D CrO 7.46 Phat bid'u nao sau day khong diing? (1) Liai huynh, photpho deu boc chay tiep xiic v6i CrOy C Fe304 Do dinh duomg ciia loai phan lan la 7.39 Phat bleu nao sau day dung? B K i m loai xesi duoc diang de che tao te' bao quang difin , B.FeO 7.45 Mot loiii phan supepholphal kep c6 chira 69,62% dihidrophotphat, lai gom cac chat kh6ng chiia photpho D Trong c6ng nghiep, photpho dugc san xua't bang each nung h6n hop quang photphorit, cat va than co'c d 1200"C 16 dien A Cac kim loai: natri, bari, beri deu tac dung vdi nirorc a nhietd^ thucmg A.Cr203 ^Koii ^ X >Y — Z A K3PO4, K2HPO4, KH2PO4 B KH2PO4, K2HPO4, K3PO4 C K,P04, KH2PO4, K2HPO4 D KH2PO4, K3PO4, K2HPO4 7.49 Dot chay hoan toan m gam FeS, bang mot lugng Oj vira du, thu dugc khf X Ha'p thu het X vao I h't dung dich chiia Ba(0H)2 0,15M va K O H 0,1M, thu dugc dung dich Y va 21,7 gam ket tCia Cho Y vao dung dich NaOH, thay xua't hien them ke't tua Gia tri ciia m la A 23,2 B 12,6 C 18,0 D.24,0 7.50 Cho cac dung dich loang: (1) FeCl,, (2) FeCl2, (3) H2SO4, (4) HNO,, (5) h6n hgp gom HCl va NaNO, Nhung dung dich phan ung dugc vdi kim loai Cu Ik A Pb(NO02 B.NaHS A.(l),(3),(4) B.(I),(4),(5) CAgNO, D iNaOH C.(l),(2),(3) D.(l),(3),(5) "7.51 Cho a gam Fe vao 100 ml dung dich h6n hap g6m HNO;, 0,8M va Cu(NOi)2 IM- Sau cdc phan irng xay hoan loan, thu duac 0,92a g.4 +5 Cho 4,48 lit h6n hap X (cf dktc) gdm hidrocacbon mach h6 16i tijr tCr qua binh chu-a 1,4 lit dung dich Bfj 0,5M Sau phan ling hoan toan, s6' mol Brj giam di m6t nua va kh6'i luomg bmh tang them 6,7 gam C6ng thiic phan tu ciia hidrocacbon la gam h6n hap kim loai va NO (san pham kh& nha't cua N) Gia tri cua a \h A 11,2 • A C2H2 va C4H6 B 11,0 C 5,6 D 8,4 7.52 Cho 9,125 gam mu6'i hidrocacbonat phan \ing hfi't v6i dung djch HjSO^ (du), thu diroc dung dich chiia 7,5 gam niu6'i sunfat trung hoa • 8.5 C6ng thurc cua mu6'i hidrocacbonat la A Mg(HC03)2 B NaHCO, C Ca(HCO,)2 D Ba(HCO,)2- 7.53 Cho sa d6 chuyd'n hoa sau: CaO > CaCl; 8.6 >Ca(NO02 > CaCO, C6ng thiic ciia X, Y , Z l^n luat la A HCl, HNO„ Na2COv B HCl, AgNO,, (NH4)2COv C CI2, AgNO,, MgCOv D CI2, HNO„ CO^ DAI CUONG HOA HOC HUU CO, HIDROCACBON 8.1 8.3 44 D C2H2 va C3H8 Ba hidrocacbon X, Y, Z ke' tie'p day d6ng dang, d6 kh6'i luong phan tu Z ga'p d6i kh6'i luong phan tir X D6't chay 0,1 mol chat Y , san ph^m ha'p thu hoan toan vao dung dich Ca(OH)2 (du), thu duac s6' gam ket tiia la A.20 B 40 C.30 D 10 H6n hap g6m hidrocacbon X va oxi c6 ti 16 s6' mol tuong ung la : 10 D6't chay hoan toan h6n hop trfin thu duoc h6n hap Y Cho Y qua dung dich H2SO4 dac, thu dugc h6n hop Z c6 ti kh6'i d6'i vdfi hidro bang 19 C6ng thiic phan tii cua X la (Cho H = 1, C = 12, O = 16) A C3H8 B C3H6 C C4H8 D C3H4 A dung dich phenolphtalein B nude brom Dun nong h6n hop g6m 0,06 mol CjHj va 0,04 mol H2 vdi xuc tac Ni sau m6t thdi gian thu dugc h6n hgp Y DSn toan b6 h6n hgp Y I6i tir tir qua binh dung dung dich brom (du) thi lai 0,448 lit h6n hgp Z (6 dktc) CO ti khO'i so vdi oxi la 0,5 Khoi lugng binh dung dich brom tang la A 1,20 gam B 1,04 gam C 1,64 gam D 1,30 gam Din 1,68 lit h6n hgp X g6m hai hidrocacbon vao binh dung dung dich brom (du) Sau phan ling xay hoan to^n, c6 gam brom da phan litig va lai 1,12 lit Ne'n dot chay hoan toan 1,68 lit X thi sinh 2,8 lit CO2 C6ng thiic phan tir ciia hai hidrocacbon la (bifi't cac th^ tich d^u d dktc) C gia'y quy tim D dung dich NaOH A CH4 va C2H4 D5n V lit (or dktc) h6n hap X g6m axetilen va hidro di qua 6'ng sii dung b6t niken nung nong, thu duac Y Din Y vao lugng du AgNO, (hoac AgjO) dung dich NH, thu ducfc 12 gam ke't tua Khi khoi dung dich phan ling vira dii \6i 16 gam brom va lai Z D6't chay ho^n toan Z thu dugc 2,24 lit CO2 (6 dktc) va 4,5 gam nude 8.7 Gia tri ciia V bang 8.2 C C3H4 va C H B C2H2 va C H A 11,2 B 13,44 C 5,60 D 8,96 8.8 Co cha't long benzen, anilin, stiren, dung rieng biet lo mat nhan Thu6'c thir di phan biet chat long trSn la C CH4 va C,Hs D QHfi va CH^ Hidrocacbon mach hor X' phan tir chi chda liSn ket a va c6 hai nguyftn tCr cacbon bac ba m6t phan tu D6't chay hoan toan the' tich X sinh Khi brom hoa m6t ankan chi thu duoc mdt dSn xua't monobrom nha't CO ti kh6'i hai d6'i v6i hidro la 75,5 TSn ciia ankan Ih A, 2,2,3-trimetylpentan B 2,2-dimetylpropan C 3,3-dimetylhexan D isopentan B CH4 va C,H4 the' tich CO2 (d cung di^u kien nhiet d6 ap sua't) Khi cho X tac dung vdi CI2 (theo ti le s6' mol 1: 1), s6' dan xua't monoclo td'i da sinh la ^ A din xua't B din xua't C dan xua't D SdSnxua't C 0,l.mol C2H4 va 0,2 mol CjHzD 0,2 mol QHfi va 0,1 mol C3H4 8.10 Dot chay hoan toan h6n hop M g6m ankan X va ni6t ankin Y , thu dugc s6' mol CO2 bang s6' mol Thanh phan ph;tn tram ve so mol ciia X va Y h6n hop M Ian luot la A 75% va 25% B 20% va 80% C 35% va 65% D 50% va 50% 8.11 Dot chay hoan toan mot hidrocacbon X thu dugc 0,11 mol COj va 0,132 mol H O Khi X tac dung v6i clo (theo ti le s6' mol : 1) thu dugc mo\ san pham hiJu co nhat Ttn goi cua X la A 2-metylbutan B 2-metylpropan C 2,2-dimetylpropan D etan 8.12 H6n hop X gom 0,3 mol va 0,1 mol vinylaxetilen Nung X mot th&i gian \di xiic tac N i thu dirge h6n hgp Y c6 ti kh6'i so vofi kh6n chay vao dung dich Ba(OH)2 (du) tao 29,55 gam ket tiia, dung dich sau phan img cd khdi lugng giam 19,35 gam so vdi dung dich Ba(OH)2 ban dSu Cdng thiJc phan tir ciia X la A C2H,, B Q H , C C,H, D C,H4 8.18 Hdn hgp X gdm mdt ankan va mdt anken T i ktidi cua X so vdi H2 bang 11,25: Ddt chay hoan toan 4,48 lit X , thu dugc 6,72 lit CO2 (cac the tich drdktc) Cdng thiJc cua ankan va anken Mn lugt la A.CH4vaC2H4 B C2H« va C2H4 CCH4vaC3H, D.CH4vaC4H« 8.19 Dot chay hoan toan 6,72 lit (dktc) hdn hgp gdm hai hidrocacbon X va Y ( M Y ' > M X ) , thu dugc 11,2 1ft CO2 (dktc) va 10,8 gam HjO A 20% B 50% Cdng thiic ciia X la C 25% D 40% A.cyi, B.CH4 C C2H4 D C2H2 8.14 H6n hgp X gom va mot anken c6 kha nang cgng HBr cho san pham hiru co riha't T i khdi ciia X so vcfi H bang 9,1 Dun nong X cv xiic tac N i , sau phan ung xay hoan loan, thu dirge h6n hgp \ khong lam mat mau nude brom; ti khdi cua Y so v6\j bang 13 COnji thurc ca'u tao cua anken la A C H - C H = C H - C H thu dugc hdn hgp Y chi cd hai hidrocacbon Cdng ihiirc phan tiir ciia X la A.C2H2 B.CJI, C,C,H4 D.C4Hfi B C H = C H C.CH2=C(CH3)2 D.CH2=CH-CH2-CH3 8.15 H6n hgp X g6m anken M va ankin N co cung s5' nguyen tCr cacbon phan tu H6n hgp X co khdi lugng 12,4 gam va the tich 6,72 lit ( i dktc) Sd mol, cdng thirc phan tis cQa M va N Mn lugt la A 0,1 mol QHfi va 0,2 mol QH4 B 0,2 mol C2H4 va 0,1 mol 8.20 Cho 3,12 gam ankin X phan ung vdi 0,1 m o l H (xiic tac Pd/PbCO„ t"), QHj D A N XUAT H A L O G E N , ANCOL, PHENOL 9.1 Ddt chay hoan toan mdt ancol X thu dugc COj va HjO cd ti le sd mol tuong ling la : The tich oxi can dung de ddt chay X bang 1,5 Ian the tich khf CO2 thu dugc (d cung di6u kien) Cdng thuc phan tir ciia X la A C3H8O3 B C H O j C C3H8O2 D C H O ; 9.2 9.3 Co bao nhieu ancol bac 2, no, dcm chiic, mach d6ng phan ca'u tao cua m^ phan tir cua chiing c6 phdn trSm khd'i luong cacbon bang 68,18%? A B C D X la m6t ancol no, mach h6 D6't chay ho^n to^n 0,05 mol X cin 5,6 gam oxi, thu dugc hcri nirdrc 6,6 gam CO2 C6ng thurc cua X la A C,H,(OH).v B Q H O H C C,H«(0H)2 9.4 D QH4(OH)2 Cho m gam ancol no, dcm chtic X qua binh dung CuO (du), nung nong Sau phan urng hoan toan, kh6'i lugng chat rSn blnh giam 0,32 gam H6n hgp hai thu dugc c6 ti kh6'i d6'i vdrl hidro \k 15,5 Gii tri cua m Ik 9.5 9.6 B 0,92 C 0,32 D 0,46 Hieu sua't cua phan img oxi hoa CH3OH la A 76,6% B 80,0% C 65,5% D 70,4% 9.10 Dun nong mot (aticol) dan chiic X v6i dung dich H2SO4 dac dieu kien nhiet thich hgp sinh chat huu ca Y, ti khoi hai ciia X so vdi Y la 1,6428 Cong thi'rc phan tir ciia X la A C,H,0 B C,H,0 C.CH4O D C4H,0 ke' tie'p cOa nhau, thu dugc 0,3 mol CO2 va 0,425 mol H2O Niai khac, cho 0,25 mol h6n hgp M tac dung vdi Na (du), thu dugc chua den Cho 15,6 gam h6n hgp hai ancol dan chiic, kfi" tie'p day d6ng dang tac dung h6't vdri 9,2 gam Na, thu dugc 24,5 gam cha't ran Hai ancol la 0,15 mol H A C3H5OH va C4H7OH B C2H5OH vk C3H7OH A C2H6O2 , C3H8O2 B C2H6O , CH4O C C3H7OH \k C4H9OH D CH3OH va C2H5OH C C3H6O, C4Hi50 D C2H6O , CjH^O Khi tach nude tiir m6t chat X c6 c6ng thiJc phan tijr C4H,(,0 tao th&nh ba anken la d6ng phan ciia (tinh ca d6ng phan hinh hoc) A ( C H ) C O H B C H C X : H C H C H C C H C H ( O H ) C H C H D CH3CH(CH3)CH20H Cho m gam h6n hgp X g6m hai ancol no, dan chiic, kft' tie'p day d6ng dang tac dung vdi CuO (du) nung n6ng, thu dugc h6n hgp rftn Z va m6t h6n hgp hai Y (c6 ti kh6'i hai so vdi Hj IS 13.75) Cho toan bd Y phan umg \di md{ lUgng du AgzO (hoac AgNO,) dung djch N H , dun nong, sinh 64,8 gam Ag Gia tri ciia m \k 9.8 Oxi hoa 1,2 gam CH.OH bang CuO nung nong, sau mot ihdi ^,'^11 thu dugc h6n hgp san pham X (gom IICHO, H^O va C H , ' I du) Cho lukn b6 X tac dung vdi lugng du A g P (hoac AgNO,) dung dich Nri,, dugc 12,96 gam Ag 9.11 Dot chay hoan toan h6n hgp M g6m hai (ancol) X va Y la d6ng dang A 0,64 C6ng thirc ca'u tao thu gon cua X la 9.7 C 3-metylbuten-2 (hay 3-metylbut-2-en) D 3-mctylbuten-l (hay 3-metylbut-l-en) A 9,2 B 7,8 C 7,4 D 8,8 Khi tach nude tCr ancol 3-metylbutanol-2 (hay 3-metylbutan-2-ol), san ph^m chinh thu dugc la A 3-metylbuten-3 (hay 2-metylbut-3-en) B 2-metylbuten-2 (hay 2-metylbut-2-en) Cong thirc phAn tu ciia X va Y la 9.12 Dot chay hoan toan mot ancol da chiic, mach hd X , thu dugc H2O va CO2 vdi ti le s6 mol tuang ung la : Cong thiic phan tu ciia X la A C2H6O2 B C2H6O CC3HSO2 D C4H,o02 9.13 Oxi hoa m gam ctanol thu dugc h6n hgp X gom axetandehit, axit axetj.-, nude va etyno! ('ir Cho toan bg X tac dung vdi dung dich NaHCO, (du) thu dugc 0,56 lit COj (d dktc) Khdi lugng etanol da bi oxi hoa tao axit la A 1,15 gam B 4,60 gam C 2.30 gam D 5,75 gam 9.14 Dun nong hdn hgp hai ancol dan chiJc, mach hd vdi H2SO4 dac, thu Jugc hdn hgp gom cac etc Lay 7,2 gam mot cac etc dem dot chay hoan toan, thu dugc 8,96 lit CO2 (d dktc) va 7,2 gam HjO Hai ancol la A CH,0I1 va CH^OH B CjH^OH va CH,OH C CjH.OH va CH2= C H - C H j - OH 9.20 Cho 10 ml dung dich ancol etylic 4(V' phan ling het vdi kirn i^ai D CH,OH va C H - C H - C H j - OH (du), thu dugc V lit H2 (dktc) Biel khdi lugng rifing cua aaco elylic 9.15 Dd't chay hoan toan m gam h6n hop ancol don chirc, thu6c cung day dong dang, thu dirge 3,808 lit CO2 (dktc) va 5,4 gam H2O Gia tri cua m la A 5,42 B.4,72 C 7,42 D 5,72 9.16 H6n hcrp M g6m ancol no, don chirc X va axit cacboxylic dcfn chiJc Y, d^u mach ho va c6 cung s6' nguyen tir C, t6ng s6 mol cua hai cha't la 0,5 mol (so mol cua Y Jiirii hon so mol cua X) Ne'u d6't chay hoan toan M thi thu daar 33,6 VHf CO^ (dktc) va 25,2 gam HjO Mat khac, neu dun nong M voi HjSO^ dac de' thuc hien phan umg este hoa (hieu sua't la 80%) thi s6' gam e.ste thu dugc la A 22,80 B 18,24 C 27,36 D 34,20 9.17 Trong so cac phat bie'u sau v^ phenol (QH-jGH): (1) Phenol tan it nude nhirng tan nhieu dung dich HCl (2) Phenol c6 tinh axit, dung djch phenol khOng lam d6i mau quy tim (3) Phenol dung de san xuat keo dan, chat diet nS'm moc (4) Phenol tham gia phan irng the brom va the nitro de hon benzen Cac phat bieu dung la A.(l),(3),(4) B.(l),(2),(4) C.(l),(2),(3) D (2), (3), (4) 9.18 H6n hop X gom ancol va san pham hop nirdrc ciia propen T i kh6'i hoi ciia X so v&i hidro bang 23 Cho m gam X di qua 6'ng sii dung CuO (du) nung nong Sau cac phan utig xay hoan toan, thu dirge h6n hgp Y gom chat huu co va hoi nude, khdi lirgng 6'ng sii" giam 3,2 gam Cho Y tac dung hoan toan voi lugng du dung dich AgNO^ NH„ tao 48,6 gam Ag Phan tram khdi lugng cua propan-l-ol X la A 65,2% B 16,3% C 48,9% D 83,7% 9.19 Dd't chay hoan toan mdt lugng hdn hgp X g6m ancol (deu no, da chiic, mach hd, cd cung sd nhdm - O H ) cSn \icd du V lit O j , thu dugc 11,2 nguyen chat bang 0,8 g/ml Gia tri cua V la A 0,896 B 4,256 C 3,360 D 2,128 10 ANDEHIT, XETON, A X I T CACBOXYLIC 10.1 Dan V lit (d dktc) hdn hgp X gdm axetilen va hidro di qua d'ng vx dung bdt niken nung ndng, thu dugc Y DSn Y vao lugng du A g N C (hoac Ag20) dung dich N H , thu dugc 12 gam ket tua Khi khoi dung dich phan umg vira du vdi 16 gam brom va lai Z Dot chay hoan toan Z thu dugc 2,24 lit CO2 (d dktc) va 4,5 gam urdc Gis tri cua V bang A 11,2 B 13,44 C 5,60 D 8,96 10.2 Cho 2,9 gam mdt andehit phan iJng hoan toan vdi lugng du A g N O , (hoac AgjO) dung dich N H , thu dugc 21,6 gam A g Cdng thiic cau tao thu ggn ciia andehit la A HCHO B CH2 = CH - CHO C O H C - C H O , D C H C H O 10.3 De trung hda 6,72 gam mdt axit cacboxylic Y (no, don chirc), can dung 200 gam dung dich NaOH 2,24% Cdng thirc ciia Y la A C H C O O H B HCOOH C C H C O O H D C H C O O H 10.4 Dd't chay hoan loan 0,1 mol mdt axit cacboxylic don chiJc, cSn vira dii ^ lit , (d dktc), thu dugc 0,3 mol CO2 va 0,2 mol HjO Gia tri cua V la A 6,72 B.4,48 C 8,96 D 11,2 10.5 Cho 6,6 gam mdt andehit X don chirc, mach hd phan irng vdi lugng ciu AgNO, (hoac AgjO) dung dich N H , , dun ndng Lugng A g sii; a cho phan irng het vdi axit H N O , loang, thoat ta 2,24 lit NO (s;in p .an khu nha't, d di^u kien tieu chudn) Cdng thiic ca'u tao thu ggn cua Xla 1ft CO2 va 12,6 gam HjO (cac the tich a dktc) Gia tri cua V la A CH3CHO B HCHO A 14,56 B 15,68, C CH3CH2CHO D CH2=CHCHO C 11,20 D.4,48 10.6 Cho 0,1 mol andehit X tac dung \6i luomg du AgNO^ (hoac AgjO) dung dich N H , , dun nong thu dugc 43,2 gam Ag Hidro hoa X thu d U O c Y, bie'l 0.1 mol Y phan umg vira du vdi 4,6 gam Na COng thi'rc ca'u tao thu gon ciia X la A HCHO B CH3CHO C o n e -CHO D CH3CH(OH)CHO 10.7 H6n hap X gon; axit HCOOH va axit CH,COOH (ti le mol : ) U ' y 5,3 gam h6n hop X tac dung vdi 5,75 gam QH^OH (c6 xuc tac H2SO4 dac) thu duoc m gam h6n hop este (hifiu sua't cua cac phan urng este hoa d6u bang 80%) C^r-' : ua m la A 10 12 B 6,48 C 8,10 D 16,20 10.8 Dot chay hoan toan a mol axit h&u Y duoc 2a mol CO2 Mat khac, de trung hoa a mol Y cAn vCra du 2a mol NaOH Cong thirc cau tao thu gon cua Y la A HOOC - CH2 - CH2 - COOH B C2H5 - COOH C C H - C O O H D H O O C - C O O H 10.9 Dun nong V lit hoi andehit X vdi 3V lit H2 (xuc tac Ni) de'n phan ling xay hoan toan chi thu diroc h6n hop Y c6 the' tich 2V lit (cac the tich cung dieu kien) Ngimg tu Y thu duoc chat Z; cho Z tac dung vdi Na sinh H2 c6 s6' mol bang so mol Z da phan umg • 10.12 Cho hOn hc^p g6m 0,1 mol HCHO va 0,1 mol HCOOH tac dung vdi hrgng du A g P (hoac AgNO^) dung djch N H , , dun nong Sau cac phan ung xay hoan toan, khO'i lucmg A g tao la A 21,6 gam B 10,8 gmi C 43,2 gam D 64,8 gam 10.13 Cho 0,1 mol h6n hop X g6m hai andehit no, don chirc, mach ho, ke tiep day d6ng dang tac dung v6i luong du dung dich A g N O , NH3, dun nong thu dugc 32,4 gam Ag Hai andehit X la A HCHO va C^H.CHO B HCHO va CH3CHO C Q H C H O va C.H^tHO D CH,CHO va QH^CHO 10.14 Trung hoa 8,2 gam h6n hop g6m axit fomic va mOt axit don chirc X cSn 1001 ml dung djch NaOH 1,5M Neu cho 8,2 gam h6n hop tren tac dung v6i mot lugng du dung dich AgNO, NH3, dun nong thi thu dugc 21,6 gam Ag Tfin ggi cua X la A axit acrylic B axit propanoic C axit etanoic D axit metacrylic 10.15 H n hgp X g6m axit Y don chiJc va axit Z hai chirc (Y, Z c6 cung so nguyen tir cacbon) Chia X hai ph[...]... Hidrocacbon Y la A CH, B QHj C C,H, D Q H 4 10.21 Andehit no mach ho X c6 cong thiic don gian nha't QHp C6ng thiJc phan vx cua X la 'A CMI,O B Q,a,o, C C V P , C,H,P4- 10.22 Hai r:hat X va Y c6 cung c6ng thiic phan tir C^HA duoc \'6\m loai Na va tham gia plian Uiig (rang bac Chat Y phan umg duoc voi kim loai Na va hoa tan duoc CaCO, Cong thiic cua X, Y Ian lucft la A HCOOCH,, HOCHjCHO Chat X phan ling B HCOOCH,,... So thi nghiem c6 phan irng oxi hoa - khur xay ra 1& A 4 B 3 C.6 7.38 Phat bieu khong diing la: D 5 A K i m cuang, than chi, fuleren la cac dang ihu hmh cua cacbon B Hidro sunfua bi oxi hoa bai nude clo d nhift dO thircmg ' C Tat ca cac nguyen t6 halogen d^u c6 cac s6 oxi hoa: - 1 , + 1 , +3, +5 va +7 trong cdc hop chat , B 42,25% C 39,76% D 45,75% C CFjClj bi cam sir dung do khi thai ra khi quyen thi. .. brom (du) thi khoi lugng brom phan ung la 48 gam Mat khac; neu cho 13,44 lit (d dktc) h6n hgp khi X tac dung v6[ lirgng du dung die!- AgNOp, trong N H , , thu dugc 36 gam ket tua Phin tram thi tich cua CH4 c6 trong X la 8.16 Dun nong hdn hgp khi X gdm 0,02 mol Q H ^ va 0,03 mol H2 trong mdt binh kin (xuc tac Ni), thu dugc hdn hgp khi Y Cho Y Igi ti^ ti^ vao binh nude brom (du), sau khi ket thiic cac... gam Gia tri cua a la A 2,62 B 2,32 A 0,55 B 0,60 C 2,52 D 2,22 C 0,45 D 0,40 6.12 H6n hop X g6m Na va A l Cho m gam X vao m6t lucmg du nudrc thi thoat ra V 1ft khf Neu cung cho m gam X vao dung dich NaOH (du) thi thu dugc 1,75 V 1ft khf Th&nh phitn ph^n tram theo khd'i lugng ciia Na trong X la (biet the tfch khf do d cung di^u kien) 6.19 Cho 2,13 gam h6n hgp X gdm ba kim loai la M g , Cu va A l 6 dang... tich dung dich N a O H toi thi^ u c^n dung la A 300 m l B 200 m l C 150 m ! D 400 m l 11.13 D u n nong 6,0 gam C H 3 C O O H v6i 6,0 gam QH^^OH (c6 H2SO4 lam xiic A 4,05 B 8,10 C 16,20 D 18,00 11.19 X a phong hoa mdt hgp cha't cd cdng thiic phan tir C|„H|40f, trong dung d i c h N a O H (du), thu dugc glixerol va hdn hgp gdm ba mud'i (khdng cd ddng phan hinh hoc) Cdng thiJc ciia ba mud'i do la A... khi (or dktc) K i m loai M la A.Na B.K CRb D.Li 6.33 Cho m, gam A l vao 100 ml dung dich gom Cu(N03)2 0,3M va AgN03 0,3M Sau khi cac phan ling xay ra hoan torn thi thu dugc mj gam chat ran X Neu cho mj gam X tac dung v6i lugng du dung dich HCl thi thu dugc 0,336 lit khi (d dktc) Gia tri ciia m, va m2 Ian lugt la A 8,10 va 5,43 B 1,08 va 5,43 C 0.54 va S ifi nin8va5.l6 6.34 Hoa tan hoan toan m gam h6n... tfnh la X A 3 B 5 X, + H2O - > X2 C 2 D 4 7.11 Menh dg khong dung la A Fe^"^ oxi hoa dugc Cu B Fe khir dugc Cu^"^ trong dung dich C Fe-''^ CO tfnh oxi hoa manh hon Cu^^ D Tfnh oxi h6a ciia cac ion tang theo thii tu: Fe^"*", H"*", Cu^"^, Ag"^ K2SO3, (NH4)2C03 A 0,032 7.10 Cho day cac cha't : Ca(HC03)2 , N H 4 C I , (NH4)2S04, ZnS04 , A1(0H)3, NaHS, X2+Y X , + CO2 ^ X + Y , + H2O X 2 + 2 Y - > X + Y2 + 2... NH^ de'n dir vao dung dich AlCl, 39 Thtfc hiftn cdc thi nghiem sau: (I) Cho dung djch NaCl vao dung dich KOH (II) Cho dung dich NajCO, vko dung dich Ca(OH)2 ( n i ) D'itn phan dung dich NaCl vdi dien cue tro, c6 mang ngan ( I V ) Cho Cu (OH)2 vao dung dich NaNO, (V) Sue khi NH3 vao dung dich NajCO, (VI) Cho dung dich Na2S04 vao dung dieh Ba (0H)2 Cac thi nghiem A6u diiu che' duoc NaOH la A I , I I va... dieh la A 1 B 2 C.4 D.3 Thuc hien cac thi nghiem sau: (I) Sue khi SO2 vko dung dieh KMn04 (II) Sue khi SO2 vao dung dich H^S (III) Sue h 6 n hcjp khi NO2 vk O2 vko nude (IV) Cho Mn02 vao dung djch HCl dac, n6ng (5)(NH4)2S04+Ba(OH)2 (6)Fe2(S04)3 + Ba(N03)2 B N O 2 va A l Sau khi can bang phuong trinh hoa hoc v6i he s6' eiia e^c eha't Ik nhutig s6' nguyen t6', t6'i gian thi he s6' cua H N O , la Cho c^c... Khf Z + N H 4 C I + H j O 11 Cac khf X, Y, Z thu dugc l&n luot la A SO3 , NO, NH3 B SO2 , N 2 , NH3 C SO2 NO, C O 2 D SO3 , N 2 , C O 2 C6ng thirc pbftn tu ciia hop chat khi tao bdi nguy6n t6' R va hidro la R H 3 Trong oxil ma R c6 so iioa tri cao nhat thi oxi chiem 74,07% ve kh6'i 4.9 , luong Nguyen t6' R la A.S B.As C N D P 4.10 Cho 0,1 mol P2O5 vao dung djch chiia 0,35 mo! K O H Dung djch ...Ldl NOI DAU Cuon sach "Tuyen chon b^i thi trac nghiem theo cau true cJe thi Mon Hoa hoc" danh cho hoc sinh dang on luyen thi tot nghiep Tl ;PT /a thi vao cac trUdng Dai hoc va Cao d i n g... chon sSp xep cac bai thi trSc nghiem theo trinh tifcau true de thi, dong thdi rat chu