JEE Main 2025ChemistryAldehydes and KetonesHardMCQ

JEE Main 2025Aldehydes and Ketones Question with Solution

JEE Main 2025 (2 Apr Shift 1)

Question

An optically active alkyl halide [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts with bromine to give dibromide [C]. The compound [C] is converted into a gas [D] upon reacting with alcoholic . During hydration 18 gram of water is added to 1 mole of gas [D] on warming with mercuric sulphate and dilute acid at 333 K to form compound [E]. The IUPAC name of compound is :

Choose an option

Show full solutionCorrect option: C
Correct answer
CButan-2-one

Step-by-step explanation


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About this question

This is a previous-year question from JEE Main 2025, 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.