1) Which among the following compounds does not act as a reducing agent? A) $H_{2}O$ B) $H_{2}$ C) $H_{2}Se$ D) $H_{2}Te$ Answer: Option AExplanation:All the hydrides, except water ($H_{2}O$) of group 16 elements acts as a reducing agent. The reducing character increases from $H_{2}S$ to $H_{2}Te$. This is due to a decrease in the stability of hydride.
