JEE Main 2021ChemistryAldehydes and KetonesMediumMCQ

JEE Main 2021Aldehydes and Ketones Question with Solution

JEE Main 2021 (24 Feb Shift 1)

Question

Which of the following reagent is used for the following reaction?

CH3CH2CH3 ?CH3CH2CHO 

Choose an option

Show full solutionCorrect option: C
Correct answer
CMolybdenum oxide

Step-by-step explanation

CH3-CH2-CH3 Mo2O3CH3-CH2-CH=O 

The reagent used will be Mo2O3 (molybdenum oxide) as this reagent always used to oxidise alkanes to aldehyde. So, it is widely used as an oxidation catalyst for acid-mediated catalytic reactions.

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About this question

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.