NTA Abhyas JEE Main2020ChemistryAlcohols Phenols and EthersPractice

Which of the given below is best method of preparing alkyl chloride

Options

AR O H + S O C l 2 →
BR O H + P C l 5 →
CR O H + P C l 3 →
DR O H + H C l → a n h y . Z n C l 2

Correct answer

A. R O H + S O C l 2 →

Step-by-step solution

The chlorination of alcohol by S O C l 2 (thionyl chloride) is the best method for the preparation of alkyl halides as in this method all the other product are gaseous and thus halides are obtained on quite pure state R − OH   +   SOCl 2 → Δ R − Cl   +   HCl   +   SO 2 ↑

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