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The enthalpy of neutralisation of HCl by...

The enthalpy of neutralisation of HCl by NaOH is -57.1 KJ and that of HCN by NaOH is `-12.1 KJ mol^(-1)` the enthalpy of ionization of HCN is

A

(-69.2)KJ

B

(-45)KJ

C

(-69.2)KJ

D

45 KJ

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The correct Answer is:
C
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