Toluene is oxidised to benzoic acid by

Among the xylenes,which is thermodynamically most stable?

The six carbon atoms of benzene are of:

What is obtained when benzene reacts with fuming nitric acid?

The heat of hydrogenation of one double bond in cyclohexene is $28.6 \, kcal \, mol^{-1}$ and the heat of hydrogenation of benzene to cyclohexane is $50 \, kcal \, mol^{-1}$. The resonance stabilization energy of benzene is ...... $kcal \, mol^{-1}$.

The correct order of reactivity of the following compounds towards electrophilic substitution reactions is: