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Question

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> NEET 2018

A
More extensive association of carboxylic acid via van der Waals force of attraction
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B
Formation of intermolecular H-bonding
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C
Formation of intramolecular H-bonding
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D
Formation of carboxylate ion
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Solution

The correct option is B 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.

Hence, option (c) is correct.

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