Given below are two statements: Statement (I): The radii of isoelectronic species increases in the order. Mg^2+< Na^+< F^-< O^2- Statement (II): The…

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