Carboxylic acids show a very broad absorption for the OH group compared to alcohols, because they can form a ______.

Question

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Carboxylic acids can form hydrogen bonds between two molecules, leading to the formation of dimers, which causes a broader absorption band for the OH group in the IR spectrum. Polymers, trimers, and tetramers can also be formed but are less common and do not contribute significantly to the broad absorption band observed in the IR spectrum.

Carboxylic Acids Show a Very Broad Absorption for the OH