JEE Main 2013 — Alcohols Phenols And Ethers Question with Solution
From: JEE Main 2013 (Offline)
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 mechanism:
Choose an option
Show full solutionCorrect option: A
Correct answer
Atertiary alcohol by SN1
Step-by-step explanation
Tertiary alcohols reacts fastest with lucas reagnet as the rate of reaction is directly proportional to the stability of carbocation formed in the reaction. Since most stable carbocation is formed in the reaction hence it will react fastest further tetriary alcohols appears to react by mechanism.
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This is a previous-year question from JEE Main 2013, covering the Alcohols Phenols And Ethers chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.