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The first (DeltaH(1)) and second (DeltaH...

The first `(DeltaH_(1))` and second `(DeltaH_(2))` ionisation enthalpies (in `kJ mol^(-1))` and the `(DeltaH_(eg))` electron gain enthalpy (in `kJ mol^(-1))` of a elements are given below:

Based on the above information match the following columns.

A

V and II

B

II and V

C

V and III

D

IV and V

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The correct Answer is:
B
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