Red lead is an example of a/an .... oxide.

The hydride of phosphorus is.........

Which of the following species is not stable?

The catenation tendency of $C, Si$ and $Ge$ is in the order $Ge < Si < C$. The bond energies (in $kJ \ mol^{-1}$) of $C-C, Si-Si$ and $Ge-Ge$ bonds, respectively, are:

Which of the following elements produces a gaseous oxide upon burning at room temperature?

The gas that cannot be collected over water is: