JEE Main 2020ChemistryHaloalkanes And HaloarenesHaloalkanesmediumMCQ

JEE Main 2020Haloalkanes And Haloarenes Question with Solution

From: JEE Main 2020 (Online) 2nd September Morning Slot

Question

Which of the following compunds will show retention in configuration on nucleophilic substitution by OH ion?

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Show full solutionCorrect option: C
Correct answer
CJEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 118 English Option 3

Step-by-step explanation

JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 118 English Explanation

Here attack of OH is not on chiral carbon, it is adjacent to chiral carbon, so configuration of chiral carbon remains constant. This is a case of retention of configuration.

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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.