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What is the correct order of boiling of isomeric dichlorobenzenes?

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in Chemistry – Class 12 by (188k points)
What is the correct order of boiling of isomeric dichlorobenzenes?

(a) ortho>meta>para

(b) para>meta>ortho

(c) para>ortho>meta

(d) meta>ortho>para

I got this question in an internship interview.

My query is from Haloarenes Physical Properties in section Haloalkanes and Haloarenes of Chemistry – Class 12

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Correct answer is (c) para>ortho>meta

Explanation: Para isomers have the highest melting points due to their symmetry and ease with which they can fit into a crystal lattice compared to meta and ortho isomers.

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