1.

At 25^(@)C, when 0.5 mol of HCl reacts completely with 0.5 mol of NaOH in a dilute solution, 28.65 kJ of heat is liberated. If at 25^(@)C" "DeltaH_(f)^(0)[H_(2)O(l)]=-285.8kJ*mol^(-1), then DeltaH_(f)^(0)OH^(-)(aq)is-

Answer»

`-314.45kJ*MOL^(-1)`
`-228.5kJ*mol^(-1)`
`-257.15kJ*mol^(-1)`
`-343.1kJ*mol^(-1)`

ANSWER :B


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