JEE Main Chemical Kinetics: Weightage, Key Concepts and Study Plan
Chemical Kinetics in JEE Main: 112 questions across 2022–2026, rank #14 of 20 in Chemistry, stable momentum. Year-wise data, key concepts and a study plan.
Edurack
October 21, 2026
Chemical Kinetics is a lighter-weight chapter in JEE Main Chemistry: it ranks #14 of 20, so it adds a few questions rather than a block of them. Here is what five years of JEE Main questions say about it, and how to prepare.
At a glance
- 112 questions across 2022–2026, all shifts
- 3.8% of Chemistry over five years and 4.3% in 2024–2026
- Rank #14 of 20 Chemistry chapters by recent weight
- Momentum: Stable
- Asked in 5 of 5 years; busiest year 2026 with 26 questions
- 26 questions in the 2026 papers
Year-wise questions
| Year | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| Questions | 24 | 23 | 19 | 20 | 26 | 112 |
How Chemical Kinetics compares inside Chemistry
| Rank | Chapter | Total Qs | 2024–26 share | Momentum |
|---|---|---|---|---|
| 12 | Chemical Thermodynamics | 126 | 4.8% | Stable |
| 13 | Equilibrium | 126 | 4.8% | Stable |
| 14 | Chemical Kinetics | 112 | 4.3% | Stable |
| 15 | Organic Compounds Containing Nitrogen | 126 | 4.2% | Stable |
| 16 | Classification of Elements and Periodicity | 82 | 3.8% | Gaining |
Concepts that repeat
These specific ideas came back most often inside Chemical Kinetics.
| Concept | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| First Order Reaction | 9 | 2 | 3 | 7 | 8 | 29 |
| Effect of Temperature on Rate of Reaction | 6 | 4 | 3 | 2 | 1 | 16 |
Start your practice with these. Each one has appeared in every one of the five years, so it is worth knowing the question styles.
What the syllabus covers
Rate of reaction, rate law, order and molecularity, integrated rate equations for zero and first order, half-life, Arrhenius equation, activation energy, collision theory.
A checklist to tick off:
- Rate of reaction
- Rate law
- Order and molecularity
- Integrated rate equations for zero and first order
- Half-life
- Arrhenius equation
- Activation energy
- Collision theory
What to focus on
Rate law and order from data tables, integrated rate equations, half-life and the Arrhenius equation.
A study plan for this chapter
Treat it as a dependable source of marks and keep it in your regular revision cycle. If you divide your Chemistry time in proportion to recent weightage, this chapter earns about 4% of it.
- Day 1–2: a fast pass over theory and the standard results.
- Day 3: chapter-wise PYQs, then log the mistakes.
- Ongoing: a quick look before each mock test.
Keep reading
- The full ranking: JEE Main Chemistry chapter-wise weightage
- Next chapter by weight: Organic Compounds Containing Nitrogen
- A heavier neighbour: Equilibrium
See Chemical Kinetics on the weightage page →
Frequently Asked Questions
How many questions has Chemical Kinetics had in JEE Main?
112 questions across 2022–2026, counting every shift: 2022: 24, 2023: 23, 2024: 19, 2025: 20, 2026: 26.
Is Chemical Kinetics important for JEE Main Chemistry?
It ranks #14 of 20 Chemistry chapters by recent weight, which puts it in tier 3 of 3 for preparation. Its momentum is labelled Stable.
How should I start Chemical Kinetics?
Rate law and order from data tables, integrated rate equations, half-life and the Arrhenius equation. Then solve chapter-wise previous-year questions.