Oxides of sulphur and nitrogen

Options

A. `H_(2)S`
B. `H_(2)Te`
C. `H_(2)Se`
D. `H_(2)O`

Answer

D

Explanation

All hydrides except H0 acts as reducing agents, The reducing nature increases as the atomic number of the central atom increases. This is due to weakening of M-H bond as the bond length increases with increase in size of sulphur and nitrogen.