224 + 12 ---- 24 + 21
+2.
:
*
5224+ 24 +32S4 ------102 +2SO4+K2SO4 +8 2
24-2 2 --- 22 5
+7 +5 --- +2 2
() 1 ( , 1, 3-Na), 25.
3- Na, 25
2246 + 1 --------------------------------- 246 + 1
1 + 3- Na ------- CH3-COOH + NaC1
246 - , . , ; (, ). +.
()-()-, ()2.
-
| | + ()2 ------- | | +22
\ /
(11),
+2, .
2
| *
2 - + 3 12 -------------------- + 6 1
|
2
. , .
, , (111), .
+ FeC13 -----
, , 2,4,6 .
+ 3 2 ------ 2,4,6- + 2 + 3
à- . - . à-. à- à-.
|
|
*
HOOC (CH2)2 CH(NH2) COOH + -------
á N2. .
2 2 2
| + CuSO4 +2NaOH --------------- Na2S4 +2 +
NH2
//
2 2
| \
NH O
/
\
NH O
| /
2 2
\\
. , .
, .
, , . :
1)
*
+ 2g(NH3)2OH ------ g +
C+1 - 2e ---- C+3 1
Ag+ + 1e ---- Ag 2
.
2)
*
+ 2N ------ 2 + 2N ()-() -
| |
O
\ /
+
+1 2 ---- +3 1
+2 + 1--- +1 2
.
3) ()2.
*
+ 2()2 ---- 2 + .
+1 2 --- +3 1
+2 +1 --- +1 2
.
() ()-, ()2.
OH
\\ | \\ |
- 2 +()2 ----- - 2
/ | | | / | | |
\ /
+ 22, (11)
; ..
, , ()2, . , . , , : - - . . , .
, : .
+ I2 ----- .
, ( ), ..
|
|
. . , , , , .. :
+ -N= ---- + 2
.
(111) , (111) .
( 3 ) .
S4, (11)
+ S4 ----- + 2S4,
, - .
+ SO4 + 2NH4SCN ---- (11) + (NH4)2SO4
, , . . , . , , .
. (11) .
12
+ N ------- -----------
12
+ N ------ ----------
, , (11). - .
1
+ ---- -- .