Give the order of melting points:
$K C l, C u C l, C u {C l}_{2}$

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Solution

CuCl < KCl < CuCl2
More covalent character have high melting point.
1. Ions have high charge i.e cation has greater positive charge and anion has greater negative charge have more covalent character.
2. Cation has small ionic radius have more covalent character.

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