In which of the following arrangements the order is NOT according to the property indicated against it?

Question

Li < Na < K < Rb Increasing metallic radius

I < Br < F < Cl Increasing electron gain enthalpy (with negative sign)

B < C < N < O Increasing first ionization enthalpy

Al³⁺ < Mg²⁺ < Na⁺ < F^- Increasing ionic size

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