Question

Which of the following does not contain $-COOH$ group?

• A. All have $-COOH$ group
• B. Benzoic acid
• C. Picric acid
• D. Aspirin

Answer 1

The correct option is C Picric acid

Aspirin (acetylsalicylic acid), benzoic acid have $-COOH$ in it. Picric acid is 2,4,6-trinitrophenol. It does not contain $-COOH$ group.
2, 4, 6 - trinitrophenol (Picric acid)