One mole of $$\mathrm{P}_{4}$$ reacts with 8 moles of $$\mathrm{SOCl}_{2}$$ to give 4 moles of $$\mathrm{A}, x$$ mole of $$\mathrm{SO}_{2}$$ and 2 moles of $$\mathrm{B} . \mathrm{A}, \mathrm{B}$$ and $$x$$ respectively are :

For compound having the formula $$\mathrm{GaAlCl}_{4}$$, the correct option from the following is :

The correct order of bond enthalpy ($$\mathrm{kJ~mol^{-1}}$$) is :

For electron gain enthalpies of the elements denoted as $$\Delta_{\mathrm{eg}} \mathrm{H}$$, the incorrect option is :