Question

57. The enthalpy of neutralization of HCI by NaOH under certain condition is - 55.9 J and that of
HCN by NaOH is - 12.1 kJ. The enthalpy of ionization of HCN is
(a) - 68.0 kJ mole-1 (b)-43.8 kJ mole-1 (c)-68.0 kJ mole (d) 43.8 kJ mole-1
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Answer 1

Answer:

option 4 is ur answer ......