How To Score High In JEE Main Chemistry Paper 2027: For JEE Main 2027 you need to have a strategic plan for all the subjects: Physics, Chemistry and Mathematics. Out of all the three subjects, Chemistry has been proved to be a scoring subject. It has conceptual understanding, factual knowledge and easy application. In this article, we have provided the JEE Main exam pattern, chemistry weightage, and top 5 important chapters with their topics, including chemistry high-weightage chapters, along with the best books for Chemistry for JEE Mains. The resources provided in this article below will definitely help JEE aspirants get ready for the next JEE Mains exam!
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1. Understand the Syllabus and Topic Weightage
First of all understand the JEE Main Chemistry Syllabus. Once you have gone through the whole JEE Mains chemistry syllabus, plan your chapters and topics and give yourself a deadline
2. Make a Study Plan
You have to make a daily study plan that has all the subjects of JEE Main with revisions, mock tests and all other kind of sample papers.
3. Practice Previous Year Papers (PYQs)
Do practice a minimum of 10–12 years' JEE Main question papers. It will help you in understanding the pattern, difficulty level, and most repeated question of the JEE Main exam. You must have a look at the JEE Mains 2026 January Session Question Paper and the JEE Mains 2026 April Session Question Paper.
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The weightage of JEE Main chemistry is given below according to the JEE Mains syllabus. You can refer to it to know which chapters to focus on:
Chapter Name | Weightage |
6.95% | |
7.79% | |
5.26% | |
5.47% | |
6.11% | |
4.63% | |
5.26% |
Chapter Name | Weightage |
8.21% | |
4.21% | |
5.26% |
Chapter Name | Weightage |
5.26% | |
5.26% | |
6.32% | |
4.42% |
The Top five most scoring topics in physical chemistry are given below:
Chapter Name | Most Scoring Topics |
| Chemical Thermodynamics | Standard Enthalpy Of Formation, Combustion And Bond Dissociation |
| Lattice Enthalpy, Hydration Enthalpy And Enthalpy Of Solution | |
| Reversible, Irreversible, Polytropic Process | |
| First Law Of Thermodynamics | |
| Graphical Comparison Of Thermodynamic Processes | |
| Spontaneity In Thermodynamics | |
Chemical Kinetics | Effect of Temperature on Rate of Reaction: Accurate Dependency of K on T |
Equilibrium | |
Redox Reactions and Electrochemistry | |
Quantitative Aspect of Electrolytic Cell: Faraday's First Law | |
Solutions | |
Boost your JEE Main 2027 score by focusing on the most scoring chapters and topics in Organic Chemistry. This table highlights high-weightage areas, helping you prioritize your preparation, practice effectively, and maximize marks in the exam.
Chapter Name | Most Scoring Topics |
Biomolecules | |
Hydrocarbons | |
Organic Compounds Containing Oxygen | |
Some Basic Principles Of Organic Chemistry | |
Concentrate on the high-scoring chapters and topics of JEE Main 2027 Chemistry. Use this table to identify important areas for targeted practice and efficient revision.
Chapter Name | Most Scoring Topics |
Coordination Compounds | |
D- and F-Block Elements | |
Preparing for JEE Main 2027 chemistry becomes much easier when you focus on chapter-wise important questions. Here is a list showing which are the most often asked chapters; this will help you identify the areas which have the heavier weight of marks and plan your study accordingly.
| Topic Name | Chapter | No. of questions asked in 2025 |
| MOLE CONCEPT AND MOLAR MASS | Some basic concepts in chemistry | 7 |
| Crystal Field Splitting in Octahedral Field | Co-ordination Compounds | 5 |
| Percentage Composition And Equivalent Weight | Some basic concepts in chemistry | 5 |
| First Order Reaction | Chemical kinetics | 4 |
| Magnetic Properties and Character | d - and f - BLOCK ELEMENTS | 4 |
The Following Graph gives the idea of last year's breakdown of the chemistry chapter:

To increase the chances of getting good marks, you need to refer to good books as per the JEE Mains syllabus. Here you can check the best books for chemistry:
Book Title | Author/Publisher |
NCERT Chemistry (Class 11 & 12) | NCERT |
Physical Chemistry | O. P. Tandon |
Numerical Chemistry | P. Bahadur |
Organic Chemistry | Morrison & Boyd |
Organic Chemistry | O. P. Tandon |
Concise Inorganic Chemistry | J. D. Lee |
Inorganic Chemistry | O. P. Tandon |
Practice Papers & Solved Questions | Oswaal / Arihant |
Also read: JEE Main 2027 Chemistry Important Formulas
Frequently Asked Questions (FAQs)
J.D Lee is one of the best book for inorganic chemistry. This is the best book for building up the concept in inorganic chemistry.
In JEE Mains Chemistry is divided into three subparts (Physical, inorganic and organic). In Physical Chemistry few are difficult chapters like Thermodynamics, Equilibrium and Chemical Kinetics.
There are 25 questions of Chemistry in the JEE Mains Exam.
Yes, there is negative marking in the JEE Mains exam: 4 marks for every right answer, and 1 mark will be deducted for each incorrect answer.
One book is not sufficient for the JEE mains Exam. Chemistry has three subsections (Physical, organic and inorganic). The section wise best books for JEE Mains Chemistry are provided above.
Yes, especially for Inorganic and Organic Chemistry. Many questions are directly taken from NCERT. For Physical Chemistry, refer to numerical practice from books.
Use a chapter-wise flashcard for studying reactions,and formulas. Give time to high-weightage topics and refer to previous year questions.
Give time to conceptual clarity and pattern understanding. You should practice MCQs by topic, especially reaction-based and numerical problems.
On Question asked by student community
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Hello,
With a CRL rank of 1.57 lakh , OBC rank of 54,000 , and Haryana domicile , getting CSE at YMCA Faridabad is unlikely based on previous cutoff trends.
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Hello,
With an OBC-NCL rank of 25,995 and MP domicile , getting CSE in top IIITs may be difficult, but you still have chances in some newer IIITs and GFTIs, especially in later JoSAA and CSAB rounds.
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