JEE Main 2021ChemistryHaloalkanes and HaloarenesEasyMCQ

JEE Main 2021 — Haloalkanes and Haloarenes Question with Solution

JEE Main 2021 (18 Mar Shift 1)

Question

Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound A, which reacts instantly with Lucas reagent to give compound B(C10H13Cl).
The Compound B is:

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

As compound, A instantly reacts with lucas reagent it should be a tertiary alcohol, and  A  a tertiaryl alcohol is formed by the reaction of grignard reagent, C2H5MgBr with C8H8O,

C8H8O  should be a ketone and based on the formula it can be identified as a aromatic ketone.

 

 

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About this question

This is a previous-year question from JEE Main 2021, covering the Haloalkanes and Haloarenes 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.