Question

What is vinegar?

• A. $HCOOH$
• B. $HCHO$
• C. $C{H}_{3}CHO$
• D. $C{H}_{3}COOH$

Answer 1

Answer: (D)

Vinegar is the diluted solution of acetic acid $(C{H}_{3}COOH).$ It is formed by the fermentation of ethyl alcohol in the presence of enzyme acetobacter.