Duration: 6:08

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In which of the following options, the order of arrangement does not agree with the variation of property indicated against it?
[NEET 2016 (Phase -1)]
(a) \( \mathrm{Li}\mathrm{Na}\mathrm{K}\mathrm{Rb} \) (increasing metallic radius)
(b) \( \mathrm{Al}^{3+}\mathrm{Mg}^{2+}\mathrm{Na}^{+}\mathrm{F}^{-} \)(increasing ionic size)
(c) \( \mathrm{B}\mathrm{C}\mathrm{N}\mathrm{O} \) (increasing first ionization enthalpy)
(d) \( \mathrm{I}\mathrm{Br}\mathrm{Cl}\mathrm{F} \) (increasing electron gain enthalpy)
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