Most Important Chemistry Chapters for JEE Mains 2026
Chemistry is often considered the most balanced subject in JEE Mains 2026. With proper planning and focus on the JEE Mains 2026 important chapters, aspirants can secure high marks. The chapter-wise weightage for 2026 has not been revised, so analysing past years’ papers is the most reliable way to identify the most important chemistry chapters for JEE Mains 2026.
This blog provides a detailed breakdown of chapter-wise weightage, question distribution, subdiscipline trends, and preparation strategies for Chemistry.
Why Chemistry Chapter-Wise Weightage Matters
The JEE chemistry weightage is based on repeated patterns from previous years. By studying the last five years’ chapter-wise distribution, students can identify which topics consistently carry high marks. This enables smart preparation by prioritising high-weightage chapters while balancing Organic, Inorganic, and Physical Chemistry.
JEE Main Past 5 Years Chapter-Wise Weightage for Chemistry
The table below shows the chapter-wise weightage for Chemistry based on past five years of JEE Main papers.
|
S. No. |
Chapter Name |
Chapter Weightage |
|
1 |
Atomic Structure |
3.34% |
|
2 |
Some Basic Concepts of Chemistry |
2.82% |
|
3 |
Classification of Elements and Periodicity |
1.93% |
|
4 |
Chemical Bonding and Molecular Structure |
3.34% |
|
5 |
States of Matter |
1.89% |
|
6 |
Chemical Thermodynamics and Energetics |
3.65% |
|
7 |
Redox Reaction |
1.75% |
|
8 |
Equilibrium |
4.44% |
|
9 |
The p-Block Elements |
1.79% |
|
10 |
General Organic Chemistry |
1.20% |
|
11 |
Hydrocarbons |
3.03% |
|
12 |
Hydrogen |
2.82% |
|
13 |
s-Block Elements |
4.16% |
|
14 |
Environmental Chemistry |
2.99% |
|
15 |
Solutions |
4.54% |
|
16 |
Electrochemistry |
3.30% |
|
17 |
Chemical Kinetics |
3.61% |
|
18 |
Haloalkanes and Haloarenes |
2.65% |
|
19 |
Alcohols, Phenols and Ethers |
3.54% |
|
20 |
Aldehydes, Ketones and Carboxylic Acids |
5.95% |
|
21 |
Amines |
4.40% |
|
22 |
Biomolecules |
3.99% |
|
23 |
Coordination Compounds |
5.33% |
|
24 |
The p-Block Elements (Group 15–18) |
3.68% |
|
25 |
The d and f-Block Elements |
4.69% |
|
26 |
The Solid State |
1.72% |
|
27 |
Surface Chemistry |
2.99% |
|
28 |
Isolation of Metals |
3.37% |
|
29 |
Polymers |
2.06% |
|
30 |
Chemistry in Everyday Life |
2.20% |
JEE Main 2025 Chemistry Chapter-Wise Questions
The distribution of questions in JEE Main 2025 highlights recurring topics.
|
Chapter Name |
January Session |
April Session |
|
Organic Chemistry – Some Basic Principles |
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 |
14 |
6 |
|
Structure of Atom |
10 |
9 |
|
Hydrocarbons |
13 |
6 |
|
Amines |
10 |
9 |
|
Alcohols, Phenols and Ethers |
8 |
7 |
|
Chemical Bonding |
8 |
6 |
|
Practical Chemistry |
5 |
8 |
|
The p-Block Elements (Group 15–18) |
4 |
6 |
|
The p-Block Elements |
2 |
7 |
|
Redox Reactions |
3 |
0 |
Chemistry Subdiscipline Trends
The subdiscipline-wise distribution shows which areas dominate the Chemistry section.
|
Year |
Organic Chemistry |
Physical Chemistry |
Inorganic Chemistry |
|
2024 |
228 questions |
207 questions |
165 questions |
|
2025 |
169 questions |
176 questions |
130 questions |
Class-Wise Distribution of Chemistry Questions
|
Year |
Class |
April Attempt |
January Attempt |
|
2024 |
XI |
130 |
125 |
|
2024 |
XII |
170 |
175 |
|
2025 |
XI |
90 |
113 |
|
2025 |
XII |
135 |
137 |
Key Takeaways for JEE Mains 2026 Chemistry
- Focus on Aldehydes, Ketones and Carboxylic Acids, Coordination Compounds, and d & f-Block Elements.
- Organic Chemistry dominated in 2024, while Physical Chemistry was most asked in 2025.
- Class XII topics slightly dominate, but Class XI chapters like Equilibrium and s-Block Elements are equally important.
- Practising past papers is essential to understand recurring question patterns.
Conclusion
The most important chemistry chapters for JEE Mains 2026 are those that consistently carry high weightage across past years. By focusing on these JEE Mains 2026 important chapters, aspirants can build a strong foundation and improve their chances of scoring well. Smart preparation means prioritising chapters with repeated questions and balancing Organic, Inorganic, and Physical Chemistry.
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Frequently Asked Questions (FAQs)
Q1. Which chapters carry the highest weightage in JEE Mains 2026 Chemistry?
Aldehydes, Ketones and Carboxylic Acids, Coordination Compounds, and d & f-Block Elements.
Q2. Should I focus only on high-weightage chapters?
No. While high-weightage chapters are crucial, low-weightage chapters can also boost your score.
Q3. Is the chapter-wise weightage revised every year?
No. The official website confirms that the JEE Main chapter-wise weightage 2026 is not revised.
Q4. How should I prepare for JEE Mains 2026 Chemistry?
Focus on repeated chapters, practise past papers, and balance Class XI and XII topics.
