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