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

Options

A. `H_(2)O_(2)+SO_(2) to H_(2)SO_(4)`
B. `2Kl+H_(2)O_(2) to 2KOH+I_(2)`
C. `PbS+4H_(2)O_(2) to PbSO_(4)+4H_(2)O`
D. `Ag_(2)O+H_(2)O_(2) to 2Ag+H_(2)O+O_(2)`

Explanation

(d) `Ag_(2)O` is reduced to Ag