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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

`-10.2eV`

B

`+ 2.55 eV`

C

`-2.55 eV`

D

`-5.1 eV`

Text Solution

Verified by Experts

The correct Answer is:
D
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