: g1, g2l2, b12, Sb1 BiOC1. V .
1. . , , . , .
NH4+, ,
4.3
V
Ag+ | Pb2+ | [Hg2]2+ | |
H2S 0,3 HCl | Ag2S | PbS | HgS + Hg |
HCl | AgCl | PbCl2 | Hg2Cl2 |
NaOH, KOH ( ) | Ag2O | Pb(OH)2 | Hg2O |
NH4OH ( ) | [Ag(NH3)2]+ | Pb(OH)2 | [NH2Hg2O]+ +Hg |
H2SO4, 2 | PbSO4 | Hg2SO4 | |
SnCl2 + HCl | Ag | PbCl2 | , |
Na2SnO3 + NaOH | Ag2O | , | Hg2O |
F3+ F2+, +2, .
, . , , . , - .
2. V . 2 (12 ) 25 . , 2 1, .
, V , , 3.
, IV, III, II I , IV , 6 ( 4.4).
|
|
3. b12. 10 ; . K2Cr2O7 I.
, , b2+ .
, . (2 - 3 ) . . 4, . ( ).
4. [g2] 2+.
4 - 8 25%- . [Ag(N3)2]+, g212 [NH2g]1 + g . , [g2]2+. IV , Sn2+.
.
. 6, - . 5.
5. . 5 , 1 - 2 . () .
I. - .
, , , g+ . .
, . . 4 g+ .
6. . , . 4,
1 - 3 . , , .
, , . 2, . 8 14. . 7.
7. .
(. . 4), . I 6 3 . g12, . , SnCl2.
|
|
, .
. , , . 5.
8. IV . , . 2 6, IV ( 6, . I 2) . 14.
9. , 6, . 3.
10. . 4 - 7 6.
11. . 8 6.
12. . PbCl2 , . , 5 - 6 2 (!). , . .
, bSO4. 10 - 12 . , . 30%- CH3COONH4. .
, , ( ) . .
13. , . ,
. 12, . 9 - 11 6.
14. III - I .
, IV ( . 8), 20 . . III, II I , 4.
. 4.4 V -I .