Question

Molecular wt of mohr’s salt is 392. Its equivalent weight, when it is oxidized by $KMn{O}_4$ in acidic medium is

• A. $M$
• B. $\frac{M}{2}$
• C. $\frac{M}{4}$
• D. $2M$

Answer 1

The correct option is A $M$

Mohr’s salt $\left(F{e}^{+2}\right),KMn{O}_4$ oxidizes ferrous to ferric in acidic medium.
$F{e}^{+2}\to F{e}^{+3}+e^{-}Equivalentweight=\frac{M}{1}=M$