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[Solved] Melting point of calcium halides decreases in the order

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Melting point of calcium halides decreases in the order

(a) CaF2 > CaCl2 > CaBr2 > CaI2

(b) CaI2 > CaBr2 > CaCl2 > CaF2

(c) CaBr2 > CaI2 > CaF2 > CaCl2

(d) CaCl2 > CaBr2 > CaI2 > CaF2

1 Answer
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Correct answer: (a) CaF2 > CaCl2 > CaBr2 > CaI2

Explanation:

As the size of the anion increases, the covalent character increases and hence the m.p. decrease.

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