JEE Main · Chemistry · Aldehydes, Ketones and Carboxylic Acids
Enol Content Stability Factors
JEE Main asked Enol Content Stability Factors once in the 108 shifts Lumi analysed, on 26 Jun 2022, Shift 1. It belongs to Structural Isomerism, in Aldehydes, Ketones and Carboxylic Acids (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2022
- the only year
- Pattern
- Occasional
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2022. 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: 1 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 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
Diagram based is the usual form. Skill tested: conceptual.
- Compare enol content of diketones
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: 26 Jun 2022, Shift 1.
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
- Position Isomerismonce · 2024
- Functional Isomerismonce · 2021