CBSE Class 12 Chemistry Weightage 2026 helps students understand the marks distribution across different chapters in the board exam. By knowing the weightage students can focus more on high-mark chapters like Electrochemistry, Chemical Kinetics, Aldehydes, Ketones and Carboxylic Acids and Biomolecules.
Understanding the CBSE Class 12 Chemistry Chapter Wise Weightage 2025-26 allows students to plan their preparation effectively, revise important topics and improve their chances of scoring well in both theory and practical exams.
The Class 12 Chemistry exam tests both theoretical knowledge and practical skills. Below is an overview of marks distribution.
CBSE Class 12 Chemistry Weightage 2026 Overview |
||
Component |
Marks |
Overview |
Theory Exam |
70 |
Covers all Chemistry chapters including numericals, reactions and concepts |
Practical Exam |
30 |
Includes experiments, activities and viva |
Total |
100 |
Balanced focus on theory and practical knowledge |
CBSE Class 12 Chemistry Chapter Wise Weightage 2025-26 helps students understand how marks are distributed across different chapters. Knowing this weightage allows students to focus on important topics and prepare effectively for the board exam.
Chemistry Class 12 CBSE Chapter-wise Weightage |
|
Unit/Chapter |
Marks |
Solutions |
7 |
Electrochemistry |
9 |
Chemical Kinetics |
7 |
d- and f-Block Elements |
7 |
Coordination Compounds |
7 |
Haloalkanes and Haloarenes |
6 |
Alcohols, Phenols and Ethers |
6 |
Aldehydes, Ketones and Carboxylic Acids |
8 |
Amines |
6 |
Biomolecules |
7 |
Total |
70 |
CBSE Chemistry Class 12 Weightage for practical exams helps students know how marks are distributed across different activities. This allows better planning and preparation for each practical component.
CBSE Class 12 Chemistry Practical Weightage 2026 |
|
Evaluation Scheme |
Marks |
Volumetric Analysis |
8 |
Salt Analysis |
8 |
Content Based Experiment |
6 |
Project Work |
4 |
Class Record and Viva |
4 |
Total |
30 |
To score well in Chemistry, students should first understand the CBSE Chemistry Class 12 Weightage and chapter-wise marks distribution. Focus more on chapters with higher weightage like Electrochemistry, Aldehydes, Ketones and Carboxylic Acids, Chemical Kinetics and Biomolecules to maximize scores.
Go through the complete Class 12 Chemistry syllabus 2026 and note important topics.
Prepare short notes and revision charts for formulas, reactions and mechanisms.
Practice numerical problems and reaction-based questions regularly.
Solve class 12 previous years question papers and sample papers to understand the exam pattern.
Allocate time in your timetable based on chapter weightage to cover high-mark topics first.
Revise theory and practical concepts multiple times before the exam for better retention.