Chemistry is one of the subjects that requires extra attention compared to others. It involves understanding chemical reactions, and those with a strong foundation in basics can truly enjoy learning it.
Unlike Physics and Mathematics, which focus more on logic and calculations, Chemistry is a mix of concepts, practical applications, and awareness of natural reactions. To help students prepare effectively, here is the CBSE Class 12 Chemistry Blueprint for 2025.
If you want to score well in Chemistry, having a proper study plan is essential. A well-structured plan starts with understanding the CBSE Class 12 Chemistry Blueprint 2025, which guides you on the important topics and their weightage in the exam.
S.No. | Title | 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 |
We have shared the CBSE Class 12 Chemistry chapter-wise blueprint here. Go through it carefully and plan your exam preparation accordingly. This is based on the official CBSE marking scheme and past years' question papers
| Marks per Question | No. of questions | Total marks |
| 1 mark (MCQ) | 16 | 16 |
| 2 marks (VSA) | 5 | 10 |
| 3 marks (SA) | 7 | 21 |
| 4 marks (case-based) | 2 | 8 |
| 5 marks (LA) | 3 | 15 |
| Total | 33 | 70 |
| 12th Chemistry Chapter Wise Weightage | ||||||
|---|---|---|---|---|---|---|
| Chapter Name | 1M | 2M | 3M | 5M | 4M | TM |
| 1. Solutions | – | – | 1 | – | 1 | 7 |
| 2. Electrochemistry | 1 | – | 1 | 1 | – | 9 |
| 3. Chemical Kinetics | 2 | 1 | 1 | – | – | 7 |
| 4. d -and f -Block Elements | 2 | – | – | 1 | – | 7 |
| 5. Coordination Compounds | 1 | 1 | – | – | 1 | 7 |
| 6. Haloalkanes & Haloarenes | 3 | – | 1 | – | – | 6 |
| 7. Alcohols, Phenols.. | 1 | 1 | 1 | – | – | 6 |
| 8. Aldehydes, Ketones.. | 3 | 1 | 1 | – | – | 8 |
| 9. Amines | 1 | – | – | 1 | – | 6 |
| 10. Biomolecules | 2 | 1 | 1 | – | – | 7 |
| Grand Total | 16 | 5 | 7 | 3 | 2 | 70 |
Evaluation Scheme for Examination | Marks |
Volumetric Analysis | 08 marks |
Salt Analysis | 08 marks |
Content Based Experiment | 06 marks |
Project Work | 04 marks |
Class record and viva | 04 marks |
Total | 30 marks |
The Rajasthan Board of Secondary Education (RBSE) has released the Class 12 blueprint for 2025. This blueprint details the marks distribution for each subject, helping students understand the weightage of different topics. For instance, in Chemistry, the theory exam is allotted 56 marks, with practicals accounting for 30 marks. The exam duration is 3 hours and 15 minutes.
For the academic year 2024-2025, the Central Board of Secondary Education (CBSE) has removed certain chapters from the Class 12 Chemistry syllabus. The deleted chapters include:
Additionally, in the chapter on Organic Compounds Containing Nitrogen, topics related to cyanides and isocyanides have been removed.
In the CBSE Class 12 Chemistry exam for 2025, the theory paper is allocated 70 marks, while practicals constitute 30 marks, totaling 100 marks. The theory exam is divided into various sections, including multiple-choice questions, short answer questions, and long answer questions. Each section carries a specific weightage, contributing to the overall 70 marks.
Yes, the CBSE provides a blueprint for Class 12 subjects. These blueprints outline the exam pattern, including the types of questions, their distribution, and the marks allocated to each section. This helps students understand the structure of the question paper and prepare accordingly.
In the CBSE Class 12 Chemistry syllabus for 2024-2025, the theory portion carries 70 marks, while the practicals are allotted 30 marks, making a total of 100 marks. The theory marks are distributed among various units as follows:
This distribution helps students focus on topics with higher weightage during their preparation.
As mentioned earlier, the deleted chapters for the 2024-2025 academic year in CBSE Class 12 Chemistry include:
The weightage for CBSE Class 12 Chemistry in the 2024-2025 academic year is as follows:
The theory marks are distributed among different units, with each unit carrying a specific weightage, as detailed in the CBSE syllabus.
For the 2024-2025 academic year, after the deletion of certain chapters, the CBSE Class 12 Chemistry syllabus comprises the following chapters