Which of the following reagents can be u...

Which of the following reagents can be used to prepare alkylhalide from an alcohol

A

`NaCl`

B

`SOCl_2`

C

`PCl_5`

D

`HCl + ZnCl_2`

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The correct Answer is:

B, C, D

`R - OH + SOCl_2 to R - Cl + SO_2 + HCl, R - OH + PCl_5 to R - Cl + POCl + HCl`
` R - OH + HCl overset(ZnCl_2)(to)R - Cl + H_2O`

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