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JEE Main 20252 AprilMorning Shift
Exam
JEE Main
Year
2025
Date
2 April
Shift
Morning Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2025 · 2 April · Morning Shift · Chemistry · Aldehydes and Ketones

An optically active alkyl halide (C_4 H_9 Br) [A] reacts with hot...

An optically active alkyl halide (\mathrm{C}_4 \mathrm{H}_9 \mathrm{Br}) [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 (\mathrm{NaNH}_2). 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 ([\mathrm{E}]) is :An optically active alkyl halide (C_4 H_9 Br) [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as

Options

  1. ABut-2-yne
  2. BButan-2-ol
  3. CButan-2-one
  4. DBu\tan^{-1}-al

Correct answer

C. Butan-2-one

Step-by-step solution

An optically active alkyl halide (C_4 H_9 Br) [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as
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