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n-factor for oxidants and reductants, normality
NEET level
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Difficulty 1 of 3
eq020
The n-factor of
KMnO
X
4
when it acts as an oxidant in strongly acidic medium (
MnO
X
4
X
−
Mn
X
2
+
) is:
A
5
B
1
C
3
D
7
Answer: A
Mn changes from
+
7
to
+
2
, a gain of
5
electrons per formula unit, so
n
=
5
.
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