For serious JEE Main aspirants, knowing the JEE Main Chemistry Weightage 2026 is an essential part during the preparation. For a detailed breakdown of the chapter-wise weightage, you can explore our comprehensive guide on JEE Chapter-Wise Weightage. Understanding chapter-wise importance not only streamlines your preparation but also allows you to focus on high-scoring topics. By analyzing previous years’ exams, students can identify patterns and strategize effectively. Although the official 2026 syllabus will be released by NTA in November, beginning preparation early is a smart move. Moreover, with the recent reduction in syllabus, concentrating on chapters with higher weightage becomes even more crucial.
Hence , at SPM and Lalans, we recommend combining regular practice with strategic revision to maximize your scoring potential.
JEE Main Chemistry Syllabus 2026 Overview
The JEE Main Chemistry Syllabus 2026 is divided into three major sections:
Physical Chemistry (Section A)
Includes:
- First , Some of the Basic Concepts of Chemistry
- Second , the Atomic Structure
- Third , Chemical Bonding and Molecular Structure
- Fourth , Chemical Thermodynamics
- Equilibrium
- Redox Reactions and Electrochemistry
- Solutions
- Lastly , the Chemical Kinetics
Inorganic Chemistry (Section B)
Covers:
- First , Classification of Elements and Periodicity in Properties
- Second , p-block Elements (Groups 13 & 14)
- Third , d- and f-block Elements
- Fourth , the Coordination Compounds
Organic Chemistry (Section C)
Comprises:
- Purification and Characterisation of Organic Compounds
- Some Basic Principles of Organic Chemistry
- Hydrocarbons
- Organic Compounds Containing Halogens, Oxygen, and Nitrogen
- Lastly , the Principles Related to Practical Chemistry
Hence , this structured syllabus ensures that students can plan their preparation efficiently across all three areas.
JEE Main Chemistry Chapter-Wise Weightage 2026
Analyzing past years’ question papers reveals which chapters are more important. Moreover, the JEE Main Chemistry Weightage helps students prioritize topics for maximum impact.
| Chapter Name | Question No JEE Main 2025 January session | Question No JEE Main 2025 April session |
| Organic Chemistry – Some Basic Principles and Techniques | 20 | 20 |
| Coordination Compounds | 18 | 22 |
| Aldehydes, Ketones and Carboxylic Acids | 15 | 18 |
| Thermodynamics | 15 | 15 |
| Equilibrium | 17 | 10 |
| Solutions | 11 | 16 |
| Chemical Kinetics | 12 | 13 |
| The d and f-Block Elements | 15 | 9 |
| Electrochemistry | 14 | 9 |
| Some Basic Concepts of Chemistry | 11 | 11 |
| Biomolecules | 11 | 11 |
| Haloalkanes and Haloarenes | 14 | 7 |
| Classification of Elements and Periodicity in Properties | 14 | 6 |
| Structure of Atom | 10 | 9 |
| Hydrocarbons | 13 | 6 |
| Amines | 10 | 9 |
| Alcohols, Phenols and Ethers | 8 | 7 |
| Chemical Bonding and Molecular Structure | 8 | 6 |
| Principles Related to Practical Chemistry | 5 | 8 |
| The p-Block Elements (Group 15 to 18) | 4 | 6 |
| The p-Block Elements | 2 | 7 |
| Redox Reactions | 3 | 0 |
Hence , students should focus more on chapters like Coordination Compounds and Organic Chemistry Basics, as these consistently have the highest weightage.
Subdiscipline-Wise Trends in Chemistry Questions
Analyzing trends from the last two years helps understand JEE Chemistry Weightage and which sections dominates :
| Year | Organic Chemistry | Physical Chemistry | Inorganic Chemistry |
| 2025 | 169 questions | 176 questions | 130 questions |
| 2024 | 228 questions | 207 questions | 165 questions |
While Organic Chemistry remains significant, Physical Chemistry gained prominence in 2025, so balancing your preparation is essential.
Class-Wise Distribution of Chemistry Questions
Questions in JEE Main 2024 and 2025 came from both Class XI and XII syllabi:
| Year | Class | April Session | January Session |
| 2025 | XI | 90 | 113 |
| XII | 135 | 137 | |
| 2024 | XI | 130 | 125 |
| XII | 170 | 175 |
Class XII chapters dominate, so giving extra attention to these is advised while understanding JEE Chemistry Weightage.
High-Weightage Chapters & Topics for JEE Main 2026
These eight chapters consistently contribute over 50% of total Chemistry questions:
| Chapter Name | Questions in Jan & Apr 2025 |
| The d and f-Block Elements | 24 |
| Chemical Kinetics | 25 |
| Solutions | 27 |
| Equilibrium | 27 |
| Thermodynamics | 30 |
| Aldehydes, Ketones, and Carboxylic Acids | 33 |
| Coordination Compounds | 40 |
| Organic Chemistry – Some Basic Principles & Techniques | 40 |
Hence, prioritize these chapters in your study plan, and also while understanding JEE Chemistry Weightage. For a similar breakdown and more detailed chapter-wise topics in NEET Chemistry, check out NEET Chemistry Syllabus 2026 – Chapter-wise Topics for Physical, Organic & Inorganic Chemistry. This can help you cross-reference and prepare effectively for both exams, as many concepts overlap.
Conclusion
Understanding the JEE Main Chemistry Weightage 2026 is critical for smart preparation. By focusing on high-scoring chapters, practicing consistently, and using strategies, aspirants can maximize their performance. For expert guidance, you can learn more about one of the best chemistry teacher Lalan Kumar, who helps students strategize and master concepts effectively. Hence, for effective guidance, following a structured plan from SPM and Lalans ensures that preparation remains focused, strategic, and results-oriented.
FAQs on JEE Chemistry Weightage
1. Why is knowing the chapter-wise weightage important?
It helps students allocate time effectively, focusing more on chapters that frequently appear and carry higher marks.
2. Will the JEE Main 2026 syllabus change significantly?
No major changes are expected, but minor updates may occur. Early preparation based on JEE Main Chemistry Weightage is always beneficial.
3. What is the best way to decide which chapters to focus on?
Analyse previous years’ papers, identify recurring topics, and combine them with regular practice and mock tests.
4. Is it necessary to cover the entire syllabus?
Yes, but giving priority to high-weightage chapters ensures maximum efficiency and scoring potential.
5. Do Class XI or XII chapters have more questions?
Class XII chapters contribute slightly more, but both classes are crucial for overall mastery in Chemistry.
