JEE Main 2021 — Hydrocarbons Question with Solution
From: JEE Main 2021 (Online) 24th February Morning Shift
Question
Identify products A and B.
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
In first step, KMnO4(dil.) help to break alkene in ketone and aldehyde and in second step, CrO3 is used for selective over oxidation of aldehyde only. CrO3 will form aldehyde to acid in product (B).
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This is a previous-year question from JEE Main 2021, covering the Hydrocarbons 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.