Why do carboxylic acids have higher boiling points than alcohols of comparable molar mass?

Answer and explanation

Correct answer: B. Carboxylic acids form stable cyclic hydrogen-bonded dimers in the liquid phase

Carboxylic acids form strong cyclic dimers held by two intermolecular hydrogen bonds between the carbonyl oxygen of one molecule and the hydroxyl hydrogen of the other, requiring substantial thermal energy to vaporize.

Practise more Oxygen and Nitrogen Containing Compounds.

Free questions with an explanation for every one, and full timed Medical University Entrance Examination (Bulgaria) mock tests.