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Chemistry
Chemistry
Problem
How many of the following liberate oxygen from
H
2
O
2
H_2O_2
H
2
O
2
during their interaction with
H
2
O
2
H_2O_2
H
2
O
2
.
K
M
n
O
4
KMnO_4
K
M
n
O
4
(acid medium),
K
2
C
r
2
O
7
K_2Cr_2O_7
K
2
C
r
2
O
7
(acid medium),
M
n
O
2
MnO_2
M
n
O
2
(acid medium),
O
3
O_3
O
3
,
H
O
C
l
HOCl
H
O
C
l
,
K
M
n
O
4
KMnO_4
K
M
n
O
4
(alkaline medium),
C
l
2
Cl_2
C
l
2
,
P
b
O
2
PbO_2
P
b
O
2
,
I
2
I_2
I
2
(basic medium)
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