MCQ
The correct order of increasing ionic radii is .... .
  • $Mg ^{2+}< Na ^{+}< F ^{-}< O ^{2-}< N ^{3-}$
  • B
    $N ^{3-}< O ^{2-}< F ^{-}< Na ^{+}< Mg ^{2+}$
  • C
    $F ^{-}< Na ^{+}< O ^{2-}< Mg ^{2+}< N ^{3-}$
  • D
    $Na ^{+}< F ^{-}< Mg ^{2+}< O ^{2-}< N ^{3-}$

Answer

Correct option: A.
$Mg ^{2+}< Na ^{+}< F ^{-}< O ^{2-}< N ^{3-}$
a
$N ^{-3}> O ^{-2}> F ^{-}> Na ^{+}> Mg ^{+2}($ Radii $)$

(Isoelectronic species)

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