. . .
- (), ( "") , . , - -. :
NaOH ,
KOH ,
Ca(OH)2 ,
Fe(OH)3 (III),
Ba(OH)2 .
- , . -, . .
, -.
, - , NH4+ ( ). NH4OH. , :
NH3 + H2O = NH4OH ( ).
. . ("") . , , , ( ) . .
- , , (, ). .
NaOH + (.) = +
. , , KOH ( ), NaOH ( ), LiOH , Ca(OH)2 ( ), Ba(OH)2 . .
.
:
: , -. , .
-, , , ( 8-5). -, .
8-5. .
NaOH ( ) KOH ( ) LiOH Ba(OH)2 Ca(OH)2 ( ) | Mg(OH)2 Fe(OH)2 (II) Zn(OH)2 NH4OH Fe(OH)3 (III) .. ( ) |
** . , , . () , .
|
|
. . , .
2 NH4OH | + | H2S | = | (NH4)2S | + | 2 H2O |
( ) |
2 NaOH | + | H2S | = | Na2S | + | 2 H2O |
.
Cu(OH)2 = CuO + H2O ( )
2 Fe(OH)3 = Fe2O3 + 3 H2O ( )
: , . ( ) .
:
1) + = +
2) + = +
3) + = + .
4) :
= O +
:
1) . , , . NaOH, KOH, LiOH, Ca(OH)2.
2) - :
3) , , , , , . . .