JEE Chemistry · Medium

Alcohols, Phenols and Ethers: Reaction of phenol MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Reaction of phenolMediumQuestion 780006

Question

Phenol reacts with Br₂(aq) to give:
  1. A
    2,4,6-tribromophenol (white precipitate)
    Correct
  2. B
    Monobromophenol only
  3. C
    No reaction
  4. D
    Benzene + HBr

Correct answer

2,4,6-tribromophenol (white precipitate)

Explanation

Phenol is so strongly activated by −OH (+M effect) that it reacts with Br₂ in water (no catalyst needed) to give 2,4,6-tribromophenol as a white precipitate. This is used as a test for phenol.