CBSE Class 12 Chemistry Marks Distribution 2025-26 Chapter-wise
Check CBSE Class 12 Chemistry Marks Distribution 2025–26 to know which chapters carry the highest marks. Electrochemistry (9 marks) and Aldehydes, Ketones & Carboxylic Acids (8 marks) are key scoring areas for effective exam preparation.
CBSE Class 12 Chemistry Marks Distribution 2025-26: The CBSE Class 12 Chemistry Marks Distribution 2025–26 provides a clear structure of how the 70-mark theory paper is divided across key chapters, helping students plan a focused preparation strategy. Out of the total 70 marks allotted for theory, Electrochemistry holds the highest weightage with 9 marks (13%), making it a must-prioritize chapter for scoring well. Following closely is Aldehydes, Ketones & Carboxylic Acids, carrying 8 marks (11%), which forms a major part of Organic Chemistry and often includes application-based questions. Several important chapters, including Solutions, Chemical Kinetics, d- and f-Block Elements, Coordination Compounds, and Biomolecules, carry 7 marks (10%) each. These chapters are concept-driven and highly scoring when students build strong fundamentals.
Meanwhile, chapters such as Haloalkanes & Haloarenes, Alcohols, Phenols & Ethers, and Amines carry 6 marks (9%) each, still forming an essential part of the exam as Organic Chemistry contributes significantly to the overall theory section.
CBSE Class 12 Chemistry Marks Distribution 2025-26 Chapter-wise
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Here’s the chapter-wise distribution of CBSE Class 12 Chemistry Marks 2025-26.
Chapter | Marks | Weightage (%) |
Solutions | 7 | 10% |
Electrochemistry | 9 | 13% |
Chemical Kinetics | 7 | 10% |
d- and f-Block Elements | 7 | 10% |
Coordination Compounds | 7 | 10% |
Haloalkanes and Haloarenes | 6 | 9% |
Alcohols, Phenols & Ethers | 6 | 9% |
Aldehydes, Ketones & Carboxylic Acids | 8 | 11% |
Amines | 6 | 9% |
Biomolecules | 7 | 10% |
Total | 70 | 100% |
CBSE Class 12 Chemistry Practical Marks Distribution (2025–26)
Go through the marks distribution of CBSE Class 12 Chemistry Practical 2025-2026 examination.
Component | Marks |
Volumetric Analysis | 8 |
Salt Analysis | 8 |
Content-Based Experiment | 6 |
Project Work | 4 |
Class Record & Viva | 4 |
Total | 30 |
CBSE Class 12 Chemistry (2025–26): Cognitive Domain Marks & Weightage
S.No. | Cognitive Domain | Marks | Weightage (%) |
1 | Remembering & Understanding | 28 | 40% |
2 | Applying | 21 | 30% |
3 | Analysing, Evaluating & Creating | 21 | 30% |
Total | 70 | 100% | |
By focusing more on high-weightage chapters of CBSE Class 12 Chemistry 2026, students can maximize their score potential and ensure they cover the most impactful topics first. This approach not only boosts accuracy but also builds confidence in solving numerical, reasoning-based, and structure-based questions.
Understanding the distribution also helps create a balanced revision plan, ensuring that both physical and organic chemistry receive adequate attention. Since theory determines the entire 70 marks, emphasizing clarity of concepts, consistent practice, and solving past papers gives students a strategic advantage.
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