Which of the following reagents is most effective in replacing $-\mathrm{OH}$ group of an alcohol by…

Which of the following reagents is most effective in replacing $-\mathrm{OH}$ group of an alcohol by $-\mathrm{Cl}$ group?
  1. HCl gas
  2. Concentrated $\mathrm{HCl}$
  3. $\mathrm{SOCl}$
  4. $\mathrm{SOCl}_{2}$,

Solution

The most effective reagent is $\mathrm{SOCl}_{2}$.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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