If $\mathrm{KMnO}_{4}$ is reduced by oxalic acid in an acidic medium then oxidation number of $\mathrm{Mn}$ changes from

Question

Aicharya · Accepted Answer

In acid medium $\mathrm{MnO}_{4}^{-}+8 \mathrm{H}^{+}+5 \mathrm{e}^{-} ightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_{2} \mathrm{O}$ (O.S. of $\mathrm{Mn}$ changes form $+7$ to $+2$ ).

If $\mathrm{KMnO}_{4}$ is reduced by oxalic acid in an acidic medium then oxidation number of $\mathrm{Mn}$…

Solution