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JIPMER 2011
Exam
JIPMER
Year
2011
Subject
Chemistry
Chapter
Haloalkanes and Haloarenes

JIPMER 2011 · Chemistry · Haloalkanes and Haloarenes

The best method for the conversion of an alcohol into an alkyl...

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

Options

  1. APCl3\mathrm{PCl}_3
  2. BPCl5\mathrm{PCl}_5
  3. CSOCl2\mathrm{SOCl}_2 in presence of pyridine
  4. Ddry HCl in the presence of anhydrous ZnCl2\mathrm{ZnCl}_2

Correct answer

C. SOCl2\mathrm{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 SOCl2\mathrm{SOCl}_2 in the presence of pyridine. ROH+SOCl2⟶RCl+HCl+SO2R \mathrm{OH}+\mathrm{SOCl}_2 \longrightarrow R \mathrm{Cl}+\mathrm{HCl}+\mathrm{SO}_2 The other products being gases escape leaving behind pure alkyl halide.
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