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 mechansim?

Question

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 mechansim?, Tertiary alcohol by S N 2, Tertiary alcohol by S N 1, Secondary alcohol by S N 2, Secondary alcohol by S N 1

MARKS App · Accepted Answer

The reaction of alcohol with Lucas reagent is mostly an S N 1 mechanism reaction and the rate of reaction is directly proportional to the carbocation stability formed in the reaction, hence tertiary alcohol will react fastest.

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