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Byju's Answer
Standard XII
Chemistry
Valency and Oxidation State
Find out oxid...
Question
Find out oxidation state of
M
n
in alkaline medium.
A
+
5
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B
+
3
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C
+
7
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D
+
6
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Solution
The correct option is
D
+
6
The ratio
100
:
33.3
:
20
=
1
:
1
3
:
1
5
In acidic medium, the equivalent mass
=
F
o
r
m
u
l
a
m
a
s
s
o
f
K
M
n
O
4
5
The oxidation state of Mn changes from +7 to +2.
In neutral medium, the equivalent mass
=
F
o
r
m
u
l
a
m
a
s
s
o
f
K
M
n
O
4
3
The oxidation state of Mn changes from +7 to +4.
In alkaline medium, the equivalent mass
=
F
o
r
m
u
l
a
m
a
s
s
o
f
K
M
n
O
4
1
The oxidation state of Mn changes from +7 to +6.
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