Chemistry · Alcohols, Ethers and Phenols

JEE Main 2025 — 28 January, Morning Shift — Question 33

A molecule ("P") on treatment with acid undergoes rearrangement and gives ("Q") ("Q") on ozonolysis followed by reflux under alkaline condition gives ("R"). The structure of ("R") is given below :

figure

The structure of ("P") is

  1. Option A:
    Option A figure
  2. Option B:
    Option B figure
    Correct
  3. Option C:
    Option C figure
  4. Option D:
    Option D figure

Answer: B

Step-by-step solution

figure

Note : In question about molecule “P” is not clarified, weather it is alcohol or alkene and as in

question language rearrangement product is asking hence according to question language ans.

is either (2) or (4). As alkene also undergoes rearrangement in presence of acid but option (2)

also fulfil all conditions.

Answer key and solution verified before publishing.

Practise Alcohols, Ethers and Phenols

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.

Exam
JEE Main 2025
Subject
Chemistry
Chapter
Alcohols, Ethers and Phenols
Topic
Introduction and Preparation of Alcohols
A molecule ("P") on treatment with acid undergoes rearrangement and… | JEE Main 2025 PYQ with Solution · DhiX AI