The correct order of ionic size of \( \mathrm{N}^{3-}, \mathrm{Na}^{+}, \mathrm{F}^{-}, \mathrm{...
The correct order of ionic size of \( \mathrm{N}^{3-}, \mathrm{Na}^{+}, \mathrm{F}^{-}, \mathrm{Mg}^{2+} \) and \( \mathrm{O}^{2-} \) is :
(a) \( \mathrm{Mg}^{2+}\mathrm{Na}^{+}\mathrm{F}^{-}\mathrm{O}^{2-}\mathrm{N}^{3-} \)
(b) \( \mathrm{N}^{3-}\mathrm{F}^{-}\mathrm{O}^{2-}\mathrm{Na}^{+}\mathrm{Mg}^{2+} \)
\( P \)
(c) \( \mathrm{Mg}^{2+}\mathrm{Na}^{+}\mathrm{F}^{-}\mathrm{O}^{2-}\mathrm{N}^{3-} \)
(d) \( \mathrm{N}^{3-}\mathrm{O}^{2-}\mathrm{F}^{-}\mathrm{Na}^{+}\mathrm{Mg}^{2+} \)
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