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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 ____________.
Options
more extensive association of carboxylic acid via van der Waals force of attraction
formation of carboxylate ion
formation of intramolecular H-bonding
formation of intermolecular H-bonding
Solution
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their formation of intermolecular H-bonding.
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