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In which of the following arrangements, the order is not according to the property indicated after it in bracket?
(a) \( \mathrm{Al}^{3+}\mathrm{Mg}^{2+}\mathrm{Na}^{+}\mathrm{F}^{-} \)(Increasing ionic size)
(Manipal 2009)
\( \mathrm{P} \)
(b) \( \mathrm{B}\mathrm{C}\mathrm{N}\mathrm{O} \) (Increasing first ionisation energy)
(c) \( \mathrm{I}\mathrm{Br}\mathrm{F}\mathrm{Cl} \) (Increasing electron gain enthalpy)
(d) \( \mathrm{Li}\mathrm{Na}\mathrm{K}\mathrm{Rb} \) (Increasing metallic radius)
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