CBSE Class 12 Chemistry Weightage 2026 Unit and Chapter-Wise Marks Distribution

Pratha Shishodia

Updated On: September 15, 2025 10:53 AM

CBSE Class 12 Chemistry Weightage 2026 provides information about the topic-wise marking scheme. Based on the weightage, you can set the priorities for each chapter and prepare for board exams. Read the article thoroughly. 

CBSE Class 12 Chemistry Weightage 2026

CBSE Class 12 Chemistry Weightage 2026 : The chapter-wise weightage helps to make a list of high-mark topics, which you can pick first while doing the final revision. Among all the chapters, Electrochemistry has the highest marks. The theory exam will contain questions from Electrochemistry worth 9 marks. Overall, the theory exam will be of 70 marks and the practical exam will be of 30 marks. You can check CBSE Class 12 Chemistry Syllabus 2025-26 here. Go through the article in detail to check the marking scheme for theory and practical exams. The complete information about the CBSE Class 12 Chemistry Weightage 2026 is provided here.

CBSE Class 12 Chemistry Weightage 2026 Theory Exam - Chapter Wise

The table here includes the names of the chapters in addition to the marks allotted to each of them. Ensure you focus more on the chapters with high marks.

S. No.

Chapters

Marks

1.

Solutions

7

2.

Electrochemistry

9

3.

Chemical Kinetics

7

4.

d -and f -Block Elements

7

5.

Coordination Compounds

7

6.

Haloalkanes and Haloarenes

6

7.

Alcohols, Phenols and Ethers

6

8.

Aldehydes, Ketones and Carboxylic Acids

8

9.

Amines

6

10.

Biomolecules

7

-

Total

70

Also Check CBSE Class 12 Chemistry Important Questions 2026

CBSE Class 12 Chemistry Weightage 2026 Practical Exam

The practical exam will be of 30 marks. Check out the following details and aim at performing your best.

Evaluation Scheme for Examination

Marks

Volumetric Analysis

8 Marks

Salt Analysis

8 Marks

Content Based Experiment

6 Marks

Project Work

4 Marks

Class record and viva

4 Marks

Total

30 Marks

CBSE Class 12 Chemistry Question Paper Blueprint 2026

When preparing for the board exams, students should go through the blueprint. It gives an idea of the types of questions asked in the exam and marks allotted to each of the sections in the question paper.

  • The Chemistry Question paper is divided into five parts - A, B, C, D, and E.
  • Section A includes 16 multiple choice questions of 1 mark each.
  • Section B consists of 5 short questions for 2 marks each.
  • Section C contains 7 short questions of 3 marks each.
  • Section D consists of 2 case-based questions of 4 marks each.
  • Section E consists of 3 long questions of 5 marks each.

After completing the syllabus, students can solve the CBSE 12th Chemistry Sample Paper 2025-26 available on the official website. Keep visiting the page to get the latest updates about the CBSE Class 12 Chemistry Weightage 2026.

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