The correct decreasing order of the following ' Xe ' compounds to act as both fluorinating and oxidising agent is

(i) $\mathrm{XeF}_6$

(ii) $\mathrm{XeF}_4$

(iii) $\mathrm{XeF}_2$

When aluminium chloride is dissolved in water, it gives

The total number of paramagnetic gaseous products formed in all the following reactions $[A+B+C]$ are

(A) $\mathrm{NH}_4 \mathrm{NO}_3 \xrightarrow{\Delta}$ Products

(B) $\mathrm{NaNO}_2+\mathrm{H}_2 \mathrm{SO}_4 \longrightarrow$ Products

(C) $\mathrm{Pb}\left(\mathrm{NO}_3\right)_2 \xrightarrow{673 \mathrm{~K}}$ Products

The main products $P$ and $Q$ of the following unbalanced disproportionation reaction $\mathrm{Se}_2 \mathrm{Cl}_2 \longrightarrow P+Q$ are