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An unknown alcohol is treated with the "...

An unknown alcohol is treated with the "Lucas reagent " to determine whether the alcohol is primary , secondary or tertiary . Which alcohol reacts fastest and by what mechanism ?

A

tertiary alcohol by `S_(N^(1))`

B

secondary alcohol by `S_(N^(1))`

C

tertiary alcohol by `S_(N^(2))`

D

secondary alcohol by `S_(N^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
With Lucas reagent, tertiary alcohol reacts fastest by `S_(N^(1))` mechanism because tertiary carbocation is formed in the rate determining or slow step.
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