General Science • ChemistryEasy
What is the IUPAC name of acetic acid, the main constituent of vinegar?
A. Methanoic acid
B. Ethanoic acid✓ Correct Answer
C. Propanoic acid
D. Butanoic acid
💡 Solution & Explanation
According to IUPAC nomenclature rules, a carboxylic acid containing two carbon atoms is designated as ethanoic acid, while its common name is acetic acid. Methanoic acid contains only one carbon atom and corresponds to formic acid. Vinegar typically contains a four to eight percent solution of this organic acid in water.
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