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MHT CET Medical202625 April 2026Morning ShiftChemistryAlcohols Phenols and EthersActual

Identify the product obtained when phenol reacts with bromine in presence of CS ₂

Options

  1. AP-Bromophenol
  2. BMixture of O-Bromophenol and P-Bromophenol
  3. C2, 4, 6-tribromophenol
  4. Dm-Bromophenol

Correct answer

B. Mixture of O-Bromophenol and P-Bromophenol

Step-by-step solution

Phenol reacts with bromine in the presence of a non-polar solvent such as CS ₂ or CHCl ₃ at low temperature to undergo electrophilic aromatic substitution. In a non-polar solvent, the ionization of phenol is suppressed, and the electrophile Br ^+ is generated in a smaller concentration compared to the reaction in a polar solvent like water. This prevents polyhalogenation. As a result, mono-bromination takes place, yielding a mixture of ortho-bromophenol (minor product) and para-bromophenol (major product). Therefor

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