Alkaline oxidative fusion of $\mathrm{MnO}_2$ gives "A" which on electrolytic oxidation in alkaline solution produces B. A and B respectively are

Question

$\mathrm{Mn}_2 \mathrm{O}_3$ and $\mathrm{MnO}_4^{2-}$

$\mathrm{Mn}_2 \mathrm{O}_7$ and $\mathrm{MnO}_4^{-}$

$\mathrm{MnO}_4^{2-}$ and $\mathrm{MnO}_4^{-}$

$\mathrm{MnO}_4^{2-}$ and $\mathrm{Mn}_2 \mathrm{O}_7$

Please login to view the detailed solution steps...