Carboxylic acid exists as dimers, explai...

Carboxylic acid exists as dimers, explain why ?

Verified by Experts

Carboxylic acids in anhydrous state or when dissolved in some non-aqueous solvent exists as dimers as shown below.

This is due to intermolecular hydrogen bonding. The H-bonding is so strong that it does not break even in vapour state.

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Which of the following carboxylic acids has the highest boiling point ?

Heptanoic acid

Octanoic Acid

Nonanoic Acid

Decanoic Acid

Intermolecular hydrogen bonding

Formation of dimers

Highly acidic hydrogen

Resonance stabilization of conjugate base

Reduction

Oxidation

Esterification

Polymerisation