JEE Main · Chemistry · Alcohols, Phenols and Ethers
pKa and pKb Analysis
JEE Main asked pKa and pKb Analysis once in the 108 shifts Lumi analysed, on 31 Jan 2024, Shift 1. It belongs to Organic Acidity and Basicity, in Alcohols, Phenols and Ethers (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
Assertion–reason is the usual form. Skill tested: conceptual.
- Assertion-reason on acidity of phenol vs alcohol
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: 31 Jan 2024, Shift 1.
Same topic
Other ideas in Organic Acidity and Basicity
Organic Acidity and Basicity has 11 ideas JEE Main has asked; 6 of them came up in more than one question.
- Carboxylic Acid Acidity5× · 2026
- Sodium Bicarbonate Effervescence Test3× · 2025
- Acidity of Active Methylene Compounds2× · 2024
- Phenol Acidity2× · 2024
- Acidity of Alpha-Hydrogens in Carbonyls2× · 2022
- Intramolecular H-Bonding in Phenols2× · 2021
- Reactivity with Na, NaOH, and NaHCO3once · 2026
- Acidity of Terminal Alkynesonce · 2025
- Aromaticity-Driven Carbon Acidityonce · 2021
- Exceptional Acidity of Picric Acidonce · 2021