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Which of the following is not an example of electrophilic substitution reaction

Correct answer: D. Reaction of CH3COOH with PCl5

  • A. Reaction of CH3COOH with Na
  • B. Reaction of CH3COOH with NaHCO3
  • C. Reaction of CH3COOH with Na2CO3
  • D. Reaction of CH3COOH with PCl5

Explanation

The correct answer is Option D:Reaction of CH3COOH with PCl5. This reaction is a nucleophilic substitution reaction where the hydroxyl group in the carboxylic acid is replaced by a chlorine atom, forming an acyl chloride. It is not an electrophilic substitution reaction. The other options involve typical acid reactions: Option A is an acid-metal reaction, Option B is an acid-carbonate reaction, and Option C is an acid-base neutralization reaction.

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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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