JEE Main 2025 Chemistry chapter wise weightage: The Chemistry subject is one of the high scoring subjects in the JEE Main examination.
The total questions asked from the chemistry subject is 25, which include 20 multiple choice questions and 5 numerical value questions.
Candidates can go through below table and check the chapters/topics with maximum weightage of marks:
JEE Main 2025 Chemistry Weightage
| Section | Chapter/Topic | Weightage (%) | Marks (Approx.) |
Physical Chemistry | Some Basic Concepts of Chemistry | 4-6% | 4 |
| General Principles of Metallurgy | 2–4% | 4 | |
| Atomic Structure | 3–5% | 4 | |
| Chemical Bonding and Molecular Structure | 5–7% | 8 | |
| Thermodynamics | 6–8% | 8 | |
| Equilibrium | 6–8% | 8 | |
| Redox Reactions | 2–4% | 8 | |
| Electrochemistry | 3–5% | 4 | |
| Chemical Kinetics | 3–5% | 4 | |
| Surface Chemistry | 1–2% | 4 | |
| Inorganic Chemistry | Classification of Elements (Periodic Table) | 4–6% | 4 |
| General Principles of Metallurgy | 2–3% | 4 | |
| The s-Block Element (Alkali Metals) | 2–3% | 4 | |
| The p-Block Element (Groups 13-18) | 7–9% | 8 | |
| The d- and f-Block Elements | 4–6% | 4 | |
| Coordination Compounds | 6–8% | 8 | |
| Environmental Chemistry | 1–2% | 4 | |
| Organic Chemistry | Some Basic Principles and Techniques | 4-6% | 4 |
| Hydrocarbons | 3-5% | 4 | |
| Haloalkanes and Haloarenes | 2-4% | 4 | |
| Alcohols, Phenols, and Ethers | 4-6% | 4 | |
| Aldehydes, Ketones, and Carboxylic Acids | 5-7% | 8 | |
| Amines | 3-5% | 4 | |
| Biomolecules | 2-3% | 4 | |
| Polymers | 2-3% | 4 | |
| Chemistry in Everyday Life | 2-3% | 4 |
Important Chapter for JEE Main for Chemistry subject
Some of the high weightage chapters/topics from the chemistry subject include:
Physical Chemistry
- Chemical Bonding (5-7% weightage)
- Thermodynamics (6-8% weightage)
- Equilibrium (6-8% weightage)
- Electrochemistry (3-5% weightage)
- Chemical Kinematics (3-5% weightage)
Inorganic Chemistry
- Periodic Table (4-6% weightage)
- Coordination Compounds (6-8% weightage)
- p-Block Elements (7-9% weightage)
- d- and f-Block Elements (4-6% weightage)
Organic Chemistry
- Basic Principles of Organic Chemistry (4-6% weightage)
- Aldehydes, Ketones, and Acids (5-7% weightage)
- Alcohols, Phenols, and Ethers (4-6% weightage)
- Amines (3-5% weightage)
JEE Main Chemistry Subject Marking Scheme
The chemistry syllabus for JEE Main comprises 3 sections namely Physical Chemistry, Inorganic Chemistry and Organic Chemistry.
There are two sections in Chemistry. Section A contains 20 multiple choice questions, whereas Section B contains 5 questions who’s answer to be given in a numerical value.
Each correct question carries 4 marks, and there is a negative marking of -1 for wrong answers.
Total questions in Chemistry subject is 25 and total marks for the subject is 100.
Also Check – JEE Main 2025 Physics Chapter wise Weightage
The first session of NTA JEE Main 2025 is set to take place from 22nd January to 31st January 2025. The registration is active till 22 November 2024.
JEE Main 2025 Chemistry Chapter FAQ’s
Q: Which section of Chemistry has the highest weightage in JEE Main?
A: Organic Chemistry typically has the highest weightage, with chapters like Aldehydes, Ketones, and Carboxylic Acids and Coordination Compounds frequently appearing in the exam.
Q: What are the most scoring chapters in Physical Chemistry?
A: Chapters like Thermodynamics, Equilibrium, and Chemical Bonding are highly scoring due to frequent numerical and conceptual questions.
Q: How many questions are expected from Inorganic Chemistry?
A: About 30-35% of the Chemistry section consists of Inorganic Chemistry, with topics like p-Block Elements and Coordination Compounds are important.
Q: Are Organic Chemistry reaction mechanisms important for JEE Main?
A: Yes, reaction mechanisms in chapters like Amines and Alcohols, Phenols, and Ethers are crucial and often tested in both conceptual and application-based questions.
Q: What are some easy-to-learn, high-weightage topics in Chemistry?
A: Topics like Polymers, Biomolecules, and Chemistry in Everyday Life are relatively easy to learn and frequently asked in the exam.
Q: How can I prioritize Chemistry preparation for JEE Main?
A: Focus on high-weightage topics like Chemical Bonding, p-Block Elements, and Aldehydes and Ketones, and practice numerical problems in Thermodynamics and Electrochemistry.