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Which of the following is necessary for the bromination of phenol?

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in Chemistry – Class 12 by (188k points)
Which of the following is necessary for the bromination of phenol?

(a) CS2

(b) FeBr3

(c) AlCl3

(d) BF3

This question was posed to me in an interview for internship.

Asked question is from Alcohols and Phenols in chapter Alcohols, Phenols and Ethers of Chemistry – Class 12

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Correct answer is (a) CS2

Explanation: FeBr3, AlCl3 and BF3 are Lewis acids, that are required for the substitution in benzene. Phenol has an OH group that activates the aromatic ring and requires the presence of only slightly or non-polar solvents for its halogenation.

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