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Cationic Radius

If the ionic ...

Question

If the ionic radii of $K^{+}$ and $F^{-}$ are nearly the same (i.e $1.34 ˚ A$ ) then the atomic radii of $K$ and $F$ are respectively are

$1.34 ˚ A, 1.34 ˚ A$

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$0.72 ˚ A, 1.96 ˚ A$

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$1.96 ˚ A, 0.72 ˚ A$

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$1.96 ˚ A, 1.34 ˚ A$

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Solution

The correct option is C
$1.96 ˚ A, 0.72 ˚ A$

The size of $K$ will be higher than that of $K^{+}$ while size of $F$ will be lower than that of $F^{-}$

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Similar questions

If the ionic radii of $K^{+}$ and $F^{-}$ are nearly the same (i.e $1.34 ˚ A$ ) then the atomic radii of $K$ and $F$ are respectively are

K^{+}

F^{-}

1.34 ˚ A

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1.34 \circ A

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O^{2 -}, F^{-}, N a^{+}

M g^{2 +}

˚ A

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