, .
:
: , , ,
:
1.
2.
3. ( , -)
:
1) .
2) ( . : , !!!).
3) . , (.. )
4) . .
:
. , .
, .
2 : HS- + H+OH-↔ H2S + -
29. : , , , , . .
-, , () .
.
. .
(..) , , .
1. = 0
2. .. = 2
(: F2, .. +2
22, N22, .. 1
3... = 1
4... = +1,
(: N, 2 .. 1;
5. . . = .
6.. = 0, .
7. () .. , , = ,
8. () .. = 0.
9. () .. = ( - 8)
10. .. .. .
.
1. 2, F2
2. , ..KMnO4, HNO3, H2SO4, K2Cr2O4
.
1. (, Na, Mg, Al .)
2. , ..
|
|
NH3, CH4, H2S, HCl.
3. 2, ( ) (II).