Given below are two statements:
Statement (I): The radii of isoelectronic species increase in the order:
$\text{Mg}^{2+} < \text{Na}^{+} < \text{F}^{-} < \text{O}^{2-}$
Statement (II):The magnitude of electron gain enthalpy of halogen decreases in the order:
$\text{Cl} > \text{F} > \text{Br} > \text{I}$
In the light of the above statement, choose the most appropriate answer from the options given below:
