One of the mysteries of the English language finally explained.
An organic acid containing a carboxyl group. The simplest examples are methanoic (or formic) acid and ethanoic (or acetic) acid.
- ‘Formic acid belongs to the family of carboxylic acids and has the chemical formula HCOOH or HCO 2 H.’
- ‘A special form of carboxylic acids are the amino acids, which are carboxylic acids that also have a nitrogen-containing group called an amine group in the molecule.’
- ‘In the production of nylon an amine reacts with a carboxylic acid.’
- ‘Previously, researchers had found inside meteorites other organic, carbon-based compounds that play major roles in life on Earth, such as amino acids and carboxylic acids, but no sugars.’
- ‘Nitriles can be decomposed by acids or alkalis to give the corresponding carboxylic acid or they can be reduced to give primary amines.’
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