The equivalent weight of`KMnO_(4)` (formula weight M) when it is used as an oxidant in neural medium is
The equivalent weight of`KMnO_(4)` (formula weight M) when it is used as an oxidant in neural medium is
A. M
B. `M/2`
C. `M/3`
D. `M/5`
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Correct Answer - C
In neutral medium
`MnO_4^(-) + 2H_2O + 3e^(-) to MnO_2 + 4OH^(-)`
`therefore `Equivalent weight is `"Molecular weight"/3`
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