JEE Main 2022 — Aldehydes and Ketones Question with Solution
JEE Main 2022 (25 Jul Shift 1)
Question
In the given reaction
(Where Et is )
The number of chiral carbon/s in product is
Enter your answer
Show full solutionCorrect answer: 2
Step-by-step explanation
This reaction is an example of intra molecular Claisen condensation reaction. The mechanism of the Claisen condensation reaction proceeds with the removal of an alpha proton through the action of a strong base to result in the formation of an enolate ion.
This results the formation products as follows,
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This is a previous-year question from JEE Main 2022, covering the Aldehydes and Ketones 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.