JEE Main 2021 — Aldehydes and Ketones Question with Solution
JEE Main 2021 (24 Feb Shift 2)
Question
Which one of the following carbonyl compounds cannot be prepared by addition of water on an alkyne in the presence of and
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Reaction of with alkyne gives addition of water as per markonikoff's rule.
Hence, by this process preparation of
Cann't possible.
Hence cannot be formed.
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This is a previous-year question from JEE Main 2021, 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.