Plz solve this

36. AH of water is 285.8 kJ moli, If enthalpy of neutralisation of monoacid strong base is -57.3 kJ mo-H, AH} of OH ion will be (a) -228.5 kJ mol-l (b) 228.5 kJ morl (c) 114.25 kJ mol-l (d) -114.25 kJ mol