Q. The Chemical formula of Acetic acid is: Answer:
CH3COOH
Notes: Acetic acid, systematically named ethanoic acid, is a colorless liquid organic compound with the chemical formula CH3COOH. It is the second simplest carboxylic acid after formic acid. Vinegar is roughly 3-9% acetic acid by volume, making acetic acid the main component of vinegar apart from water.