CH3CH2COOH is named according to IUPAC nomenclature as:
Correct answer: D. propanoic acid
- A. Propionic acid
- B. 1-propionic acid
- C. 1-propanoic acid
- D. propanoic acid
Explanation
Option D is the correct IUPAC name for CH3CH2COOH. In the IUPAC nomenclature system, the name "propanoic acid" is used to describe CH3CH2COOH. The root "propan" indicates that it is a three-carbon chain, and the "oic acid" ending indicates a carboxylic acid functional group.
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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