Which one of the following is not an amino acid:
Correct answer: D. Aniline
- A. Alanine
- B. Glycine
- C. Aspartic acid
- D. Aniline
Explanation
Aniline is not an amino acid. It is an organic compound consisting of a benzene ring with an amino group (-NH2) attached to it. While it contains an amino group, it lacks a carboxylic acid group, which is a defining characteristic of amino acids.
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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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550 free Carboxylic Acids MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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