JEE Main · Chemistry · Thermodynamics (Chemistry)
Predicting Entropy Sign
JEE Main asked Predicting Entropy Sign once in the 108 shifts Lumi analysed, on 17 Mar 2021, Shift 2. It belongs to Entropy, in Thermodynamics (Chemistry) (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2021
- the only year
- Pattern
- Gone quiet
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2021. 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: 1 in 24 shifts · 2022: 0 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
Other is the usual form. Skill tested: conceptual.
- Processes with decrease in entropy
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: 17 Mar 2021, Shift 2.
Same topic
Other ideas in Entropy
Entropy has 4 ideas JEE Main has asked; 0 of them came up in more than one question.
- Entropy Change at Equilibrium Phase Transitiononce · 2023
- Entropy of Surroundings and Universeonce · 2023
- Temperature Dependence of Reaction Entropyonce · 2020