JEE · NEET Previous Year Question

In basic medium, $H_2{O}_2$ exhibits which of the following reactions?$\text{(}A\text{)}$ ${\text{Mn}}^{2+}\to {\text{Mn}}^{4+}$ $\text{(}B\text{)}$ $I_2\to I^{-}$ (C) $\text{PbS}\to {\text{PbSO}}_4$Choose the most appropriate answer from the options given below:

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.