JEE Main 2024 — Aldehydes and Ketones Question with Solution
JEE Main 2024 (29 Jan Shift 1)
Question
From the compounds given below, number of compounds which give positive Fehling's test is
Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde.
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Show full solutionCorrect answer: 3
Step-by-step explanation
In Fehling’s solution, the reaction between copper(II) ions and aliphatic aldehyde is represented as;
Hence ,Acetaldehyde Methanal , and cyclohexane carbaldehyde
compounds gives positive Fehling's test.
Hence, the answer is .
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This is a previous-year question from JEE Main 2024, 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.