JEE Main 2020ChemistryHaloalkanes and HaloarenesMediumMCQ

JEE Main 2020Haloalkanes and Haloarenes Question with Solution

JEE Main 2020 (02 Sep Shift 1)

Question

Which of the following compounds will show retention in configuration on nucleophile substitution by OH-ion ?

Choose an option

Show full solutionCorrect option: D
Correct answer
D

Step-by-step explanation

Option 1,2 and 3 have chiral carbon in which inversion of configuration takes place during SN2 reaction but 4th option has achiral carbon associated with halogen  group so it will show retention after substitution reaction.

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About this question

This is a previous-year question from JEE Main 2020, 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.