WBCS.LIVE practice question

What is the IUPAC name of the organic compound commonly known as 'acetic acid'?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Ethanoic acid
  2. Methanoic acid
  3. Propanoic acid
  4. Butanoic acid

Correct answer and explanation

Correct answer: Ethanoic acid

Explanation: ✅ Correct Answer: A) Ethanoic acid 📚 Explanation: Acetic acid is a colorless liquid organic compound that gives vinegar its distinct sour taste and pungent smell. Under the systematic nomenclature of the IUPAC, its official chemical name is ethanoic acid, and its chemical formula is CH₃COOH. It is widely classified as a weak carboxylic acid.