Carboxylic acid

Structure of a carboxylic acid
Carboxylate anion
3D structure of a carboxylic acid

In organic chemistry, a carboxylic acid is an organic acid that contains a carboxyl group (C(=O)OH)[1] attached to an R-group. The general formula of a carboxylic acid is R−COOH or R−CO2H, with R referring to the alkyl, alkenyl, aryl, or other group. Carboxylic acids occur widely. Important examples include the amino acids and fatty acids. Deprotonation of a carboxylic acid gives a carboxylate anion.

  1. ^ IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "carboxylic acids". doi:10.1351/goldbook.C00852

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