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Anionic Radius

The ionic rad...

Question

The ionic radii of $N^{3 -}, O^{2 -}$ and $F^{-}$ are respectively given by____________.

1.36, 1.40, 1.71

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1.36, 1.71, 1.40

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1.71, 1.40, 1.36

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1.71, 1.36, 1.40

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Solution

The correct option is C $1.71, 1.40, 1.36$
$N^{3 -}, O^{2 -}, F^{-} - -------- \to s i z e d e c r e a s i n g$

$z / e$ increases so size $↓$

So $N^{3 -}$ has longest radii imporve to $O^{2 -}$

so $1.71 > 1.40 > 1.36$

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