Question

___ is a constituent of vinegar and is ___ of the naturally- occurring carboxylic acids.

• A. Acetic acid
• B. one

Answer 1

Acetic acid is the major component in vinegar. It's made up of around $5–20\%$ acetic acid ($C{H}_{3}COOH$), water, and a few other trace chemicals.

Hence, Acetic acid is a constituent of vinegar and is one of the naturally- occurring carboxylic acids.