2 .
, . =-lgKa, . pKa, :
( ) 3, 7
3 ( ) 4, 7
3 CH2 OH () 18,0
6 5 () 9,9
() 15, 7
2 2 () 15, 1
, . + . +, :
+
NH3 () 9,26
H3NH2() 10,62
(3)2NH() 10,77
(3)3N() 9,80
65 NH2 () 4,6
(65)2NH () 0,9
- , .. , , AlCl3, FeCl3, 2+5,,Na+, +, +.
- . RNH2, ROH, ROR, , π-.
1.
3 , . , . . . 2-4 1 1%- . 1-2 . . .
2.
(II)
2 2% (II) CuSO4 2 10% NaOH. (II) Cu(OH)2. 1 . , .
(II) .
3.
.
3- . 10% . 10%- HCl.
. ?
|
|
|
4.
.
1) 2 . 1 C6H5NH2, 1 (C2H5)2NH . . 1 . pH .
2) 1 10%- . . 3 . . .
. .
2.
3.
