# Equilibrium JEE Advanced PYQ Chapter Wise (2016–2026)

> Equilibrium JEE Advanced PYQs: all 16 questions from 22 official papers (2016–2026), by concept with official answers. Asked in 8 of 11 years; last in 2025.

Source: https://previousyearquestions.app/jee-advanced/chapters/equilibrium/

Explore: <a href="/jee-advanced/chapters/">All JEE Advanced chapters</a> · <a href="/jee-advanced/chapters/chemistry/">JEE Advanced Chemistry PYQs</a> · <a href="/jee-advanced/">JEE Advanced hub</a> · <a href="/jee-advanced/syllabus-pattern/">Syllabus & pattern</a> · <a href="/jee-advanced/2026/">JEE Advanced 2026</a>

## Answer first

Equilibrium PYQs (previous year questions) for JEE Advanced: Equilibrium (Chemistry) had **16 questions** across the 22 official JEE Advanced papers we tagged (2016–2026), and appeared in 12 of them. Asked in 8 of 11 years; last in 2025. The concepts asked in the most papers: Solubility Product, Equilibrium Constant, Ionic Equilibrium.

## Year-wise question count

<ChapterQuestions exam="jee-advanced" chapter="equilibrium" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="jee-advanced" chapter="equilibrium" part="concepts" />

## How to practise Equilibrium PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Equilibrium questions from the official PDF against the clock, then check the answer listed below.
3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

## Questions by year

Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.

<ChapterQuestions exam="jee-advanced" chapter="equilibrium" part="questions" />

## Equilibrium in other exams

The same chapter in other official papers we tagged: [JEE Main](/jee-main/chapters/equilibrium/) (19 questions), [NEET](/neet/chapters/#equilibrium) (2 questions).

## Other Chemistry chapters

- [Some Basic Concepts in Chemistry PYQs](/jee-advanced/chapters/basic-concepts-chemistry/)
- [Atomic Structure PYQs](/jee-advanced/chapters/atomic-structure/)
- [Chemical Bonding and Molecular Structure PYQs](/jee-advanced/chapters/chemical-bonding/)
- [Chemical Thermodynamics PYQs](/jee-advanced/chapters/chemical-thermodynamics/)
- [Solutions PYQs](/jee-advanced/chapters/solutions/)
- [Redox Reactions and Electrochemistry PYQs](/jee-advanced/chapters/redox-electrochemistry/)
- [Chemical Kinetics PYQs](/jee-advanced/chapters/chemical-kinetics/)
- [Classification of Elements and Periodicity PYQs](/jee-advanced/chapters/periodicity/)
- [p-Block Elements PYQs](/jee-advanced/chapters/p-block/)
- [d- and f-Block Elements PYQs](/jee-advanced/chapters/d-f-block/)
- [Coordination Compounds PYQs](/jee-advanced/chapters/coordination-compounds/)
- [Purification and Characterisation of Organic Compounds PYQs](/jee-advanced/chapters/purification-characterisation-organic/)
- [Some Basic Principles of Organic Chemistry PYQs](/jee-advanced/chapters/basic-principles-organic/)
- [Hydrocarbons PYQs](/jee-advanced/chapters/hydrocarbons/)
- [Organic Compounds Containing Halogens PYQs](/jee-advanced/chapters/organic-halogens/)
- [Organic Compounds Containing Oxygen PYQs](/jee-advanced/chapters/organic-oxygen/)
- [Organic Compounds Containing Nitrogen PYQs](/jee-advanced/chapters/organic-nitrogen/)
- [Biomolecules PYQs](/jee-advanced/chapters/biomolecules/)
- [Principles Related to Practical Chemistry PYQs](/jee-advanced/chapters/practical-chemistry/)

## FAQ

### How many Equilibrium questions come in JEE Advanced?
In the official papers we tagged: 2 in 2025, 2 in 2023, 2 in 2022, 3 in 2020, 1 in 2019, 3 in 2018, 1 in 2017 and 2 in 2016 (2 papers each year). Not asked in the other 3 years. That is 16 questions in all, about 4% of Chemistry.

### Which Equilibrium topics repeat in JEE Advanced?
Asked in the most papers: Solubility Product, Equilibrium Constant, Ionic Equilibrium. The concept table lists every one with its count.

### Are these official JEE Advanced questions?
Yes. Every question is from an official JEE Advanced paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.