: K4[Mo(CN)8], [PtCl4(NH3)2] ? | : : K4[Mo(CN)8] = 4+ + [Mo(CN)8]4-. |
n + ? ? |
[Mo(CN)8]4- , .
:
[Mo(CN)8]4- <=> + 8 CN-.
() :
[Mo(CN)8] 4-.
+ 8(1) = 4, = + 4, .. 4+.
(4+) (CN-), , .. = 8.
[PtCl4(NH3)2] , () :
[Pt(NH3)2Cl4]0 <=> t x + 2NH + 4Cl-.
x + 2 0 + 4 (1) = 0, x = +4,
.. t4+, Pt4+ = 6.
: [Mo(CN)8]4-,[PtCl4(NH3)2]0; 4+, Pt4+; = 8; = 6.
2. [Fe(CN)6]4- [Fe(CN)6]3- 110-37 110-44. . ?
: [Fe(CN)6]4- [Fe(CN)6]3- | . [Fe(CN)6]4- <=> Fe2+ + 6CN-; |
? ? |
= 110-24;
[Fe(CN)6]3- <=> Fe3+ + 6CN-;
= 110-3.
( ).
Fe2+ + 6CN- <=> [Fe(CN)6]4-;
= 1024;
Fe3+ + 6CN- <=> [Fe(CN)6]3-;
= 1031.
[Fe(CN)6]3- [Fe(CN)6]4-. , [Fe(CN)6]3- .
: [Fe(CN)6]3- .
3. (IV), : PtCl46NH3; PtCl44NH3; PtCl42NH3. .
: PtCl46NH3 PtCl44NH3 PtCl42NH3 | . . . |
? |
PtCl46NH3 → [Pt(NH3)6]Cl4 = [Pt(NH3)6]4+ + 4Cl-;
[Pt(NH3)6]4+ <=> Pt4+ + 6NH3;
PtCl44NH3 → [Pt(NH3)4Cl2]Cl2 = [Pt(NH3)4Cl2]2+ + 2Cl-;
[Pt(NH3)4Cl2]2+ <=> Pt4+ + 4NH3 + 2Cl-;
PtCl4 ·2NH3 → [Pt(NH3)2Cl4] <=> Pt4+ + 2NH3 + 4Cl-;
[Pt(NH3)6]Cl4 (IV);
[Pt(NH3)4Cl2]Cl2 (IV);
|
|
[Pt(NH3)2Cl4]
: = 200 = 9 / | = , |
? |
: = 2,5 3 = 13,6 / = 1 | (ε) (), 1 (/). |
ε ? |