When pyrolusite is heated with KOH in presence of air and the whole mass is extracted with water a g

Question

When pyrolusite is heated with KOH in presence of air and the whole mass is extracted with water a green solution is formed. This colour is due to the formation of\

Professor PC Thomas Classes · Answer

The aqueous solution of Potassium manganate, $\mathrm{K}_{2} \mathrm{MnO}_{4}$ appears green .\