1.

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

Answer»

`NaCl`
`SOCl_2`
`PCl_5`
`HCl + ZnCl_2`

SOLUTION :`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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