JEE Main 2021ChemistryHaloalkanes and HaloarenesMediumMCQ

JEE Main 2021Haloalkanes and Haloarenes Question with Solution

JEE Main 2021 (27 Aug Shift 1)

Question

In the following sequence of reactions the P is:

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

According to the question, In the first step of the reaction, when cyclo-pentyl-chloride reacts with magnesium in the presence of dry ether than cyclo-pentyl-magnesium-chloride (grignard reagent) is formed. 

In the second step of the reaction, when grignard reagent is react with a compound, which has active hydrogen than grignard reagent abstract hydrogen from active hydrogen compound and converted in to alkane. 

So cyclo-pentane is formed as the product(second step of the reaction) of this reaction. 

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Haloalkanes and Haloarenes chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

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.