Identify the element for which $+1$ oxidation state is more stable than $+3$ oxidation state.

Which statement is incorrect for nitric oxide $(NO)$?

The most common minerals of phosphorus are

Among the following,cyclic species are :
$I$. $H_5P_3O_{10}$ $II$. $[B_3O_3(OH)_5]^{2-}$ $III$. $H_5P_5O_{15}$ $IV$. $P_3N_3Cl_6$

The reaction that does not produce nitrogen is

Among the hydrides $NH_3, PH_3,$ and $BiH_3$, the hydride with the highest boiling point is $X$ and the hydride with the lowest boiling point is $Y$. What are $X$ and $Y$ respectively?