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CBSE Class 12 Chemistry Blueprint 2025 Latest pattern

By Swati Singh

|

Updated on 4 Feb 2025, 14:43 IST

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.

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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.

CBSE Class 12 Chemistry Exam Pattern and Marking Scheme 2025

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

CBSE Class 12 Chemistry Blueprint

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

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Marks per QuestionNo. of questionsTotal marks
1 mark (MCQ)1616
2 marks (VSA)510
3 marks (SA)721
4 marks (case-based)28
5 marks (LA)315
Total3370

 

12th Chemistry Chapter Wise Weightage
Chapter Name1M2M3M5M4MTM
1. Solutions117
2. Electrochemistry1119
3. Chemical Kinetics2117
4. d -and f -Block Elements217
5. Coordination Compounds1117
6. Haloalkanes & Haloarenes316
7. Alcohols, Phenols..1116
8. Aldehydes, Ketones..3118
9. Amines116
10. Biomolecules2117
Grand Total16573270

 

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Practical Evaluation Scheme for Class 12 Chemistry 

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 

CBSE Class 12 Chemistry Preparation Tips

  • Understand the Weightage: Focus on units with higher marks but ensure a balanced study plan covering all topics.
  • Practice Regularly: Solve previous years' question papers and sample papers to familiarize yourself with the exam pattern.
  • Revise Thoroughly: Regular revision is crucial to retain concepts and formulas.
  • Hands-On Practice: Engage actively in practical sessions to gain confidence in experiments and viva.
     
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CBSE Class 12 Chemistry Blueprint FAQs

What is the blueprint for RBSE 12th 2025?

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.

Which syllabus is deleted in Class 12 Chemistry 2024-2025?

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:

  • The Solid State
  • Surface Chemistry
  • General Principles and Processes of Isolation of Elements
  • The p-Block Elements
  • Polymers
  • Chemistry in Everyday Life

Additionally, in the chapter on Organic Compounds Containing Nitrogen, topics related to cyanides and isocyanides have been removed.

 

What is the mark scheme for Chemistry 2025?

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.

Does CBSE provide a blueprint for Class 12?

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.

What is the weightage of Chemistry in Class 12 CBSE 2024-2025?

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:

  • Solutions: 7 marks
  • Electrochemistry: 9 marks
  • Chemical Kinetics: 7 marks
  • d- and f-Block Elements: 7 marks
  • Coordination Compounds: 7 marks
  • Haloalkanes and Haloarenes: 6 marks
  • Alcohols, Phenols, and Ethers: 6 marks
  • Aldehydes, Ketones, and Carboxylic Acids: 8 marks
  • Amines: 6 marks
  • Biomolecules: 7 marks

This distribution helps students focus on topics with higher weightage during their preparation.

What is the deleted syllabus of Class 12 Chemistry 2024-2025?

As mentioned earlier, the deleted chapters for the 2024-2025 academic year in CBSE Class 12 Chemistry include:

  • The Solid State
  • Surface Chemistry
  • General Principles and Processes of Isolation of Elements
  • The p-Block Elements
  • Polymers
  • Chemistry in Everyday Life

What is the weightage of Class 12 Chemistry 2024-2025?

The weightage for CBSE Class 12 Chemistry in the 2024-2025 academic year is as follows:

  • Theory Exam: 70 marks
  • Practical Exam: 30 marks

The theory marks are distributed among different units, with each unit carrying a specific weightage, as detailed in the CBSE syllabus.

How many chapters are in Chemistry Class 12 in 2025?

For the 2024-2025 academic year, after the deletion of certain chapters, the CBSE Class 12 Chemistry syllabus comprises the following chapters

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