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Polar Covalent Compounds

The compound ...

Question

The compound formed by which of the following pair of ions will have lowest melting point?

N a^{+}

and

C l^{-}

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M g^{2}

and

C l^{-}

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A l^{3 +}

and

C l^{-}

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S n^{4 +}

and

C l^{-}

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Solution

The correct option is B $S n^{4 +}$ and $C l^{-}$
Greater charge on the cation leads to greater polarization, lower metling point.

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Similar questions

Question 20

In which of the following pairs, the ions are isoelectronic ?

(a) $N a^{+}, M g^{2 +}$ (b) $A l^{3 +}, O^{-}$ (c) $N a^{+}, O^{2 -}$ (d) $N^{3 -}, C l^{-}$

i) N e i i) O^{2 -} i i i) M g^{2 +} i v) F

v) A l^{3 +} v i) C l^{-} v i i) K v i i i) N a

Which of the following is the correct sequence for atomic radii

N a^{+}

M g^{2 +}

S^{2 -}

C l^{-}

N a^{+}

M g^{2 +}

S^{2 -}

C l^{-}

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