KMnO4 acts as an oxidising agent in the neutral medium and gets reduced to MnO2.

Question

K M n O_{4}

acts as an oxidising agent in the neutral medium and gets reduced to

M n O_{2}

.The equivalent weight of

K M n O_{4}

in neutral medium

Options:

A . mol. wt/2

B . mol. wt/3

C . mol. wt/4

D . mol .wt/7

Answer: Option B
:
B
In neutral medium

M n^{+ 7}

oxidation state changes into +4 oxidation state, hence equivalent weight of

K M n O_{4} = \frac{M}{3}

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