Which of the following does not contain COOH group?
Correct answer: D. Picric acid
- A. Acetic acid
- B. Propanoic acid
- C. Formic acid
- D. Picric acid
Explanation
Picric acid is not a carboxylic acid.Picric acid has no carboxyl group. It is 2,4,6-trinitrophenol.
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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