The element that forms stable compounds in low oxidation state is

Which of the following is the correct order of stability of hydrides of Group $15$ elements?

In the hydrides of the nitrogen group,the $H-M-H$ bond angle gradually approaches $90^o$ as we move from $N$ to $Sb$. This indicates that gradually.....

What is the basicity of $H_3PO_4$?

The total number of $\sigma$ and $\pi$-bonds in pyrophosphoric acid are respectively

Which of the following compounds gives $N_2$ gas on thermal decomposition?