Class 12 Chemistry Haloalkanes and Haloarenes Properties of Haloarenes

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Which of the following compounds will have the highest melting point and why?

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Solution

(B) The compound $(ii)$ has the highest melting point.
This is because it has a highly symmetrical structure,which allows it to pack more efficiently in the crystal lattice.
Greater packing efficiency leads to stronger intermolecular forces of attraction,requiring more energy to break the lattice and melt the solid.

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Haloalkanes and Haloarenes

Subtopic

Properties of Haloarenes

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