When $NH_3$ is passed over heated $CuO$,it gets oxidized to form .................. .

Why is nitrogen chemically inert?

Which compound is used in smoke screens?

Statement $(A)$: Among the oxides of nitrogen, $NO$ and $NO_2$ are paramagnetic.
Statement $(B)$: $NO$ is paramagnetic in the gaseous state and diamagnetic in the liquid state.
The correct answer is:

Consider the following reaction:
$A +$ alkali $\rightarrow B$ (Major Product)
If $B$ is an oxoacid of phosphorus with no $P-H$ bond,then $A$ is ..... .

Which of the following pentahalides is not possible?