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From an alcohol molecule, the hydroxyl g...

From an alcohol molecule, the hydroxyl group cannot be replaced by using the following reagents :

A

HBr

B

`SOCl_2`

C

`Cl_2`

D

`PCl_5`

Text Solution

Verified by Experts

The correct Answer is:
C
(a) `R-OH+PCl_5 overset(Delta)to R-Cl+POCl_3+HCl`
(b) `R-OH +SOCl_2 overset(Delta)to R-Cl+SO_2 uarr +HCl`
(c) `R-OH +HBr underset(Delta)overset(NaBr+conc.H_2SO_4)to R-Br+H_2O`
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