Explain why the boiling point of beryllium chloride is 4870C and that of magnesium chloride is 14180C.

Explain, the boiling point of beryllium chloride is 487⁰C and that of magnesium chloride is 1418⁰

Be²⁺ has higher charge density than Mg²⁺ due to its small size. Be²⁺ s polarizes Cl^– more strongly than Mg²⁺. This makes BeCl₂ covalent with low boiling point while magnesium chloride is ionic with high melting and boiling point.

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