1、 1 ( ) (8) 1 ( ) (CCl3CHO) C2H5OH 4Cl2 3CHO 5HCl C2H5OH 2H5Cl H2O CCl3CHO 3COOH( ) HCl C2H5OH CCl3CHO CCl3COOH C2H5Cl 46 147.5 163.5 64.5 114.1 57.5 58 138.7 78.3 97.8 198 12.3 (1) E _ _ _ ( (2) _ _ (3) A _ (4) C _ (5) D _ D _ (6) C Cl3CCOOH _( ) (7) Ka(CCl3COOH)=1 1 1 Ka(CH3 5 1 _ 2 A B HCl C CCl3C
2、HO D HCl (1) E (2) HCl HClO CCl3CHO 3COOH HCl C2H5OH 2H5Cl H2O C CCl3COOH C2H5Cl (3) 2MnO 4 16H 10Cl =2Mn 2 5Cl2 8H2O (4) (5) (6)CCl3COOH CCl3CHO (7) 1 pH pH (1) a b (2) C CCl3COOH C2H5Cl (3)2MnO 4 16H 10Cl =2Mn 2 5Cl2 8H2O (4) (5) (6) (7) 1 pH pH 2 2O3 MgO Al2O3 Fe2O3 (K2Cr2O7) 2CO3 Al2O3= 2NaAlO2
3、CO2 2O 2 7 H2 2 4 2H (1) 2O3 Na2CrO4 Fe2O3 _ (2) X _( ) pH 5 _ pH 4.5 3 _( ) (3) Y _ (4) Na2Cr2O7 2KCl=K2Cr2O7 2NaCl _ KCl NaCl K2Cr2O7 Na2Cr2O7 (g/100 g ) 28 35.7 4.7 163 40.1 36.4 26.3 215 51.3 38 73 376 (5) K2Cr2O7 KCl _ _ (6) 5.000 g 500 mL 50.00 mL 20 mL 1H2SO4 5 min 100 mL 3 mL _( ) 1Na2S2O3 _
4、 ( Na2S2O3 48.00 mL _( 3 ) Cr2O 2 7 6I 14H =2Cr 3 3I2 7H2O I2 2S2O 2 3 =2I S4O 2 6 Na2CrO4 Fe2O3 MgO NaAlO2 Fe2O3 MgO Na2CrO4 NaAlO2 pH pH CrO 2 4 Cr2O 2 7 K2Cr2O7 (1) 2 3 3 6 0 2 2O3 8Na2CO3 7O2= 8Na2CrO4 2Fe2O3 8CO2 (2) pH 4.5 pH pH pH pH pH 5 CrO 2 4 Cr2O 2 7 (3) pH Y Al(OH)3 Al(OH)3 AlO 2 CH3COO
5、H H2O=Al(OH)3 CH3COO (4) K2Cr2O7 4 Na2Cr2O7 K2Cr2O7 Na2Cr2O7 2KCl=K2Cr2O7 2NaCl (5) K2Cr2O7 (6) Cr2O 2 7 6I 14H =2Cr 3 3I2 7H2O I2 2S2O 2 3 =2I S4O 2 6 Cr2O 2 7 6S2O 2 3 n(Cr2O 2 7 )= 1 6 =0.001 6 mol 500 mL n(Cr2O 2 7 )=0.016 mol m(K2Cr2O7 1 =4.704 g = 4.704 g 5.0 g 2O3 8Na2CO3 7O2= 8Na2CrO4 2Fe2O3
6、 8CO2 (2)Fe2O3 MgO CrO 2 4 Cr2O 2 7 pH pH (3)AlO 2 CH3COOH H2O=Al(OH)3 CH3COO (4)Na2Cr2O7 K2Cr2O7 (5) (6) 94.1% 3 (1) NO H2 NO 2(g) O2(g) H= 12H2O(l)=2H2(g) O2(g) H= 1 H2(g) NO(g) N2(g) H2O(l) _ (2) 2 L 2 mol NO 2(g) O2(g) 5 T2 0 5 min v(O2 1 1 N2(g) O2 K=_ M _ W ( M NO NO _( _( ) a b c N2 NO d (3)
7、LaNi5(s) 3H2 5H6(s) H 0 LaNi5H6(s) _( ) A LaNi5H6(s) B C D (1) =N2(g) O2(g) H= 1 2O(l)=2H2(g) O2(g) H= 1 2H2(g) 2NO(g)=N2(g) 2H2O(l) H= 1 T2 0 5 min v(NO)= 2 mol 0.75 mol 1 1 v(O2 2 1 1 2(g) O2(g) 1 ) 1 0 0 1 ) 0.75 0.375 0.375 1 ) 0.25 0.375 0.375 K= 0.25 2 =2.25 N2(g) O2 K= 4 9 2(g) O2(g) H= 1 W c
8、(NO) M W M NO NO a. 6 b. 0 c. N2 NO d. (3)A. A B. H2 B C. C D. H2 D (1)2H2(g) 2NO(g)=N2(g) 2H2O(l) H= 1 24 9 (3)BD 4 (1) _ _ _ (2) H OH Cu 2 Hg 2 CN CO2 _ Cu 2 Hg 2 _ Hg 2 1 1 L Hg 2 6mol _( Cl2 CN CO2 N2 Cl2 CN _ (3) 25 Ca 2 Mg 2 Ca 2 CaO 1 10 mg CaO 1 M 2 ( ) EBT ( T)=MEBT 7 M 2 ( ) Y 4 (EDTA)=MY
9、2 MEBT Y 4 (EDTA)=MY 2 EBT ( T) 25.00 mL Mg 2 _ _ _ 250 mL pH 10 T 1 EDTA EDTA 15.00 mL _ (1) NaHCO3 CO2 OH =HCO 3 Cu 2 S 2 = 1 L Hg 2 6 mol 1 L Hg 2 6 1 4 g=0.2 mg,0.2 mg 0.05 mg Cl2 CN CO2 N2 Cl2 CN H2O 5Cl2 2CN 4H2O=10Cl 2CO2 N2 8H Mg(HCO3)2 Mg(OH)2 Mg(HCO3)2= Mg(OH)2 2CO2 Mg(HCO3)2 CO2 1 EDTA ED
10、TA 15.00 mL n(M 2 )=n(EDTA)=0.01 1 3 4 mol 25 mL m(CaO)=nM 1 4 mol=0.008 4 g=8.4 mg 1 L m(CaO)=(8.4 1 L 10 mg CaO 1 (1) 8 2 OH =HCO 3 2 S 2 = 2 2CN 4H2O=10Cl 2CO2 N2 8H 3)2= Mg(OH)2 2CO2 CO2 5 A B C D E A B p C L 2 D 4 E (1)E _ (2) BA5 _ (3)B _ _ (4)B C D _( ) (5)BD3 _ _ (6) ED3 EDn(A2C)6 n x (n x ) (R H) EDn(A2C)6 n x xR xEDn(A2C)6 n xH 0.001 5 mol EDn(A2C)6 n x R H H 1 NaOH 25.00 mL _ (7) Al B AlB _ a pm 3 ( a NA ) C L 2 C 1s 2 2s 2 2p 4 C B p C 2s 2 2p 3 B A B A H D 4 C O D D Cl E Cr (1)Cr 24 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1
