Chemistry · Hydrocarbons

JEE Main 2025 — 28 January, Evening Shift — Question 29

Identify product [A],[B][\mathrm{A}],[\mathrm{B}] and [C][\mathrm{C}] in the following reaction sequence :

figure

  1. Option A:

    [A]:CH3−CH=CH2,[ B]:CH3CHO,[\mathrm{A}]: \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}_2,[\mathrm{~B}]: \mathrm{CH}_3 \mathrm{CHO}, [C]:HCHO[\mathrm{C}]: \mathrm{HCHO}

    Correct
  2. Option B:
    Option B figure
  3. Option C:

    [A]:CH3−CH=CH2,[ B]:CH3CHO,[C]:CH3CH2OH\begin{aligned} & {[\mathrm{A}]: \mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}_2,[\mathrm{~B}]: \mathrm{CH}_3 \mathrm{CHO},} \\ & {[\mathrm{C}]: \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}}\end{aligned}

  4. Option D:

    [A]:CH3CH2CH3,[ B]:CH3CHO,[C]:HCHO[\mathrm{A}]: \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3,[\mathrm{~B}]: \mathrm{CH}_3 \mathrm{CHO},[\mathrm{C}]: \mathrm{HCHO}

Answer: A

Step-by-step solution

figure

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Subject
Chemistry
Chapter
Hydrocarbons
Topic
Properties & Uses of Alkynes