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The standard enthalpy of neutralization ...

The standard enthalpy of neutralization of `KOH` with `HCN` in dilute solution is `-2480 cal.mol^(-1)` and `-13.68 kcalmol^(-1)` respectively. Find the enthalpy of dissocitation of `HCN` at the same temperature.

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The correct Answer is:
`11.2 Kcal`
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