CR(OH)3 + KOH KCRO2 + 2H2O 2KCRO2 + 3CL2 + 8KOH...
Câu 11 :
Cr(OH)
3
+ KOH KCrO
2
+ 2H
2
O
2KCrO
2
+ 3Cl
2
+ 8KOH 2K
2
CrO
4
+ 6KCl + 4H
2
O
T ng đài t v n: 1900 58-58-12 - Trang | 2 -2K
2
CrO
4
+ H
2
SO
4
K
2
Cr
2
O
7
+ K
2
SO
4
+ H
2
O
K
2
Cr
2
O
7
+ 6FeSO
4
+ 7H
2
SO
4
Cr
2
(SO
4
)
3
+ 3Fe
2
(SO
4
)
3
+ K
2
SO
4
+ 7H
2