In which of the following reactions `H_(2)O_(2)` acts as a reducing agent ?

Options

A. `HOCl+H_(2)O_(2)overset(H^(+))to H_(3)O^(+)+Cl^(-)+O_(2)`
B. `Mn^(2+)+H_(2)O_(2)overset(H^(-))Mn^(4+)+2OH^(-)`
C. `2Fe^(2+)+H_(2)O_(2)overset(PH^(-))2Fe^(3+)+2OH^(-)`
D. `PbS(s)+4H_(2)(aq)overset(H^(+))to PbSO_(4)(s)+4H_(2)O(l)`

Answer

A