JEE Main Chemistry Chapter-Wise Weightage 2027 helps candidates identify frequently asked and high-weightage chapters and plan their preparation more effectively. Based on previous years’ question paper trends, students can prioritize important topics across Physical, Organic, and Inorganic Chemistry while preparing for JEE Main 2027.
Understanding the chapter-wise weightage allows students to focus first on chapters that have consistently contributed a higher number of questions. This analysis covers important Chemistry chapters, subdiscipline-wise trends, and chapter-level question distribution to help students plan their revision and practice.
Also Check: JEE Main Chapter-wise Weightage for Physics 2026
JEE Main Chemistry syllabus is broadly divided into three sections: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry.
Students should check the latest official JEE Main 2027 syllabus before finalizing their preparation strategy, as the applicable syllabus should always take priority over previous-year trends.
Also Check: JEE Main Syllabus 2026
The JEE Main Chemistry chapter-wise weightage is based on analysis of previous years’ question paper trends. The data can help students understand which chapters have appeared more frequently and where additional revision may be useful.
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JEE Main Chemistry Chapter Weightage |
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Chapter Name |
Question No JEE Main 2025 January session |
Question No JEE Main 2025 April session |
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Organic Chemistry - Some Basic Principles and Techniques |
20 |
20 |
|
Coordination Compounds |
18 |
22 |
|
Aldehydes, Ketones and Carboxylic Acids |
15 |
18 |
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Thermodynamics |
15 |
15 |
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Equilibrium |
17 |
10 |
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Solutions |
11 |
16 |
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Chemical Kinetics |
12 |
13 |
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The d and f-Block Elements |
15 |
9 |
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Electrochemistry |
14 |
9 |
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Some Basic Concepts of Chemistry |
11 |
11 |
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Biomolecules |
11 |
11 |
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Haloalkanes and Haloarenes |
14 |
7 |
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Classification of Elements and Periodicity in Properties |
14 |
6 |
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Structure of Atom |
10 |
9 |
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Hydrocarbons |
13 |
6 |
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Amines |
10 |
9 |
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Alcohols, Phenols and Ethers |
8 |
7 |
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Chemical Bonding and Molecular Structure |
8 |
6 |
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Principles Related to Practical Chemistry |
5 |
8 |
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The p-Block Elements (Group 15 to 18) |
4 |
6 |
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The p-Block Elements |
2 |
7 |
|
Redox Reactions |
3 |
0 |
Also Check: JEE Main Syllabus 2026
Important: These figures represent previous-year question trends and should not be treated as a fixed prediction of the number of questions in JEE Main 2027.
Organic Chemistry is one of the major search intents associated with JEE Main Chemistry weightage. Students should pay particular attention to chapters that have shown repeated question frequency in previous papers, including Organic Chemistry – Some Basic Principles and Techniques, Aldehydes, Ketones and Carboxylic Acids, Hydrocarbons, Haloalkanes and Haloarenes, Amines, and Alcohols, Phenols and Ethers.
The chapter-wise data above can be used to compare the frequency of questions across Organic Chemistry chapters rather than relying on a single predicted percentage.
Physical Chemistry includes several calculation-based chapters that have contributed consistently to JEE Main Chemistry papers. Thermodynamics, Equilibrium, Solutions, Chemical Kinetics, Electrochemistry, Some Basic Concepts of Chemistry, and Structure of Atom are among the chapters covered in the previous-year analysis.
Students can use their previous-paper frequency along with their preparation level to decide which Physical Chemistry chapters require more practice.
Inorganic Chemistry also contributes a significant number of questions to JEE Main Chemistry. Coordination Compounds, the d- and f-Block Elements, Classification of Elements and Periodicity in Properties, Chemical Bonding, and p-Block topics are important areas to include in revision.
Because question distribution can vary between sessions, students should use weightage as a prioritization tool rather than skipping chapters solely because they have a lower historical frequency.
Previous-year data shows variation in the number of questions asked from Organic, Physical, and Inorganic Chemistry.
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Subdiscipline-wise Question Trends in Chemistry |
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Year |
Organic Chemistry |
Physical Chemistry |
Inorganic Chemistry |
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2025 |
169 questions |
176 questions |
130 questions |
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2024 |
228 questions |
207 questions |
165 questions |
The data indicates that Physical Chemistry had the highest question count among the three sections in 2025, while Organic Chemistry had the highest count in 2024.
The distribution between Class XI and Class XII Chemistry has also varied across JEE Main sessions.
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Class-wise Distribution of Chemistry Questions |
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Year |
Class |
April Session |
January Session |
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2025 |
XI |
90 |
113 |
|
XII |
135 |
137 |
|
|
2024 |
XI |
130 |
125 |
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XII |
170 |
175 |
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These figures show why students should prepare Chemistry across both Class XI and Class XII topics instead of depending entirely on one class.
The following chapters had a comparatively high number of questions across the January and April 2025 sessions in the supplied analysis.
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Chapter Name |
No of Question Asked In JEE Main 2025 (January And April Session) |
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The d and f-Block Elements |
24 |
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Chemical Kinetics |
25 |
|
Solutions |
27 |
|
Equilibrium |
27 |
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Thermodynamics |
30 |
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Aldehydes, Ketones and Carboxylic Acids |
33 |
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Coordination Compounds |
40 |
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Organic Chemistry – Some Basic Principles & Techniques |
40 |
Among these chapters, Coordination Compounds and Organic Chemistry – Some Basic Principles & Techniques recorded the highest combined question count in the supplied 2025 data.
Students can use this list to prioritize revision, but the entire applicable syllabus should still be covered for JEE Main 2027.
Based on the supplied previous-year analysis, students can give additional revision and question-practice time to:
The priority should be based on both historical question frequency and the student’s own preparation level.
Students preparing for JEE Main 2026 can use these study materials offered by Physics Wallah. Use the links below to explore these study materials.
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Study Materials For JEE Main Chemistry |