33.Heat of neutralisation of weak acid with strong base is "-50kJ" and weak acid, weak base is "-41.4kJ" .Then A) heat of ionisation of weak acid "7.4kJ/mole B) heat of strong acid and strong base neutralisation is- "57.4kJ C) heat of ionisation of weak base is "16kJ/mole D) heat of ionisation of weak base is "8.6kJ/mole