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Boiling point of aromatic carboxylic acids are higher than that of comparable aliphatic carboxylic acids.

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in Chemistry – Class 12 by (188k points)
Boiling point of aromatic carboxylic acids are higher than that of comparable aliphatic carboxylic acids.

(a) True

(b) False

This question was addressed to me during an online exam.

The query is from Carboxylic Acids Physical Properties topic in portion Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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The correct option is (a) True

Easiest explanation: This is because benzene ring has a planar structure and can pack more closely in the crystal lattice than aliphatic acids, which have a zig-zag structure. The melting of aromatic acids are also usually higher due to the same reason.

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