Correct option is B
The correct answer is (b) Ethanoic acid.
· The IUPAC name for acetic acid is ethanoic acid.
· It is a two-carbon carboxylic acid with the chemical formula CH₃COOH.
Information Booster:
· Butanoic acid: A four-carbon carboxylic acid (C₃H₇COOH).
· Propanoic acid: A three-carbon carboxylic acid (C₂H₅COOH).
· Methanoic acid: Also known as formic acid, a one-carbon carboxylic acid (HCOOH).