1.

At 25^(@)C, for the reaction, H^(+)(aq)+OH^(-)(aq)toH_(2)O(l),DeltaH^(0)=-57.3kJ*mol^(-1). If the ionisation enthalpy of HCN in water by 45.2 kJ*mol^(-1), then the standard heat of reaction (in kJ*mol^(-1)) for the reaction, HCN(aq)+NaOH(aq)to NaCN(aq)+H_(2)O(l), in dilute aqueous solution is-

Answer»

`-113.5`
`-12.1`
`-102.5`
`-35.7`

ANSWER :B


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