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JIPMER2011ChemistryHaloalkanes and Haloarenes

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

Options

  1. APCl ₃
  2. BPCl ₅
  3. CSOCl ₂ in presence of pyridine
  4. Ddry HCl in the presence of anhydrous ZnCl ₂

Correct answer

C. SOCl ₂ in presence of pyridine

Step-by-step solution

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with SOCl ₂ in the presence of pyridine. R OH + SOCl ₂ R Cl + HCl + SO ₂ The other products being gases escape leaving behind pure alkyl halide.

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