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Ionisation of energy of F^(-) is 320 kJ ...

Ionisation of energy of `F^(-)` is `320 kJ mol^(-1)` . The electron gain enthalpy of fluorine would be

A

`-358.5 kJ mol ^(-1)`

B

`-508.9 kJ mol ^(-1)`

C

`-208 .1 kJ mol ^(-1)`

D

`-269.9 kJ mol ^(-1)`

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The correct Answer is:
D
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