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The first ionisation potential of Na is ...

The first ionisation potential of `Na` is `5.1eV`. The value of eectrons gain enthalpy of `Na^(+)` will be

A

-2.55 eV

B

-5.1 eV

C

-10.2 eV

D

+ 2.55 eV

Text Solution

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The correct Answer is:
B
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