Lithium aluminium hydride reacts with silicon tetrachloride to form :

In XeO₃F₂, the number of bond pair(s), $$\pi $$-bond(s) and lone pair(s) on Xe atom respectively are :

In graphite and diamond, the percentage of p-characters of the hybrid orbitals in hybridisation are respectively :

A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aformentioned solution, a white precipitate is obtained which does not dissolve in dil. nitric acid. The anion is :