Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
A
Formation of intermolecular H-bonding
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B
Formation of intramolecular H-bonding
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C
More extensive association of carboxylic acid via van der Waals force of attraction
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D
Formation of carboxylate ion
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Solution
The correct option is A Formation of intermolecular H-bonding Due to formation of intermolecular H-bonding in carboxylic acid, association occurs. Hence boiling point increases and become more than the boiling point of aldehydes, ketones and alcohols of comparable molecular masses.