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NEETChemistryAlcohols Phenols and Ethers

What is the preferred reagent for replacing the hydroxyl group in alcohols with a halogen to obtain pure alkyl halides?

Options

  1. AConcentrated HCl
  2. BPhosphorus tribromide
  3. CThionyl chloride
  4. DSodium iodide

Correct answer

C. Thionyl chloride

Step-by-step solution

Thionyl chloride is preferred because it yields pure alkyl halides along with gaseous products (SO 2 and HCl) that can be easily removed.

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