JEE Main · Chemistry · Organic Chemistry: Some Basic Principles and Techniques
Position Isomerism
JEE Main asked Position Isomerism once in the 108 shifts Lumi analysed, on 5 Apr 2024, Shift 2. It belongs to Structural Isomerism, in Organic Chemistry: Some Basic Principles and Techniques (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2024
- the only year
- Pattern
- New since 2024
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Match the list is the usual form. Skill tested: recall.
- Match compound pairs with isomerism type
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 5 Apr 2024, Shift 2.
Same topic
Other ideas in Structural Isomerism
Structural Isomerism has 9 ideas JEE Main has asked; 2 of them came up in more than one question.
- Enumeration of Structural Isomers5× · 2026
- Metamerism3× · 2026
- Chain Isomerismonce · 2026
- Isomer Counting in Benzene Derivativesonce · 2025
- Aromaticity-Driven Enolizationonce · 2024
- Chain vs Position Priority Resolutiononce · 2024
- Enol Content Stability Factorsonce · 2022
- Functional Isomerismonce · 2021