List of top Chemistry Questions on Group 15 Elements asked in VITEEE

In case of nitrogen, $NCl_3$ is possible but not $NCl_5$ while in case of phosphorus, $PCl_3$ as well as $PCl_5$ are possible. It is due to

Group 15 elements have more electron gain enthalpy than group 16-elements. The correct reason for this is

With excess of water, both $P_{2}O_{5}$ and $PCl_{5}$ give