Weightage and Marking Scheme: CBSE class 12 Chemistry Marking scheme

Overview: Understanding the CBSE class 12 Chemistry Marking scheme can significantly increase your chances of scoring high. This article provides a detailed breakdown of the marking scheme so you know where to put your efforts.

Scoring high in the CBSE Class 12 Chemistry exam requires more than just understanding the subject matter; it requires a strategic approach based on the marking scheme. 

Knowing how marks are distributed among different sections will help you allocate your time and efforts more efficiently. This article delves into the specifics of each unit's CBSE Class 12 Chemistry marking scheme in the Chemistry syllabus. 

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CBSE class 12 Chemistry Marking Scheme

For those aiming to ace the CBSE Class 12 Chemistry exam, knowing the marking scheme is your roadmap to success.

Total Chemistry marks will be 70 marks + 30 marks. 30 being practicals and 70 being theory.

CBSE Class 12 Exam Pattern: Section-Wise Marking Scheme

The Question Paper Pattern for Chemistry is as follows - 

Section	Type of Question	No of Questions	Total Marks
A	Multiple-Choice Questions (MCQs)/ Assertion-Reasoning	16	1 x 16 = 16
B	Short Answer Questions	5	2 x 5 = 10
C	Short Answer Questions	7	3 x 7 = 21
D	Case-based Questions	2	4 x 2 = 8
E	Long Answer Questions	3	5 x 3 = 15

Check Out: CBSE Toppers Talk

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CBSE class 12 Chemistry Marking Scheme: Unit-Wise Marks Distribution

The table below has the marking scheme for all the CBSE Chemistry topics that can appear in the exam.

Unit	Weightage (In Terms of 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 Marks (Theory)	70
Total Marks (Internal Assessment)	30
Grand Total	100

Check Out: How to get 90+ Marks in Economics Class 12 CBSE Board?

Does the CBSE class 12 Chemistry Marking scheme have negative markings?

Note that CBSE class 12 Chemistry does not have negative markings. 

CBSE class 12 Chemistry Marking Scheme for Practicals

The practicals are conducted for 30 marks. Check the evaluation process in the table below for the CBSE class 12 chemistry practical exam marking scheme - 

Evaluation Scheme for Examination	Marks
Volumetric Analysis	08
Salt Analysis	08
Content-Based Experiment	06
Project Work and Viva	04
Class record and Viva	04
Total	30

Check Out: CBSE Class 12 Applied Mathematics

How to download the CBSE Class 12 Chemistry Exam Pattern and Marking Scheme

Students can follow the below-mentioned stepwise instructions to download the CBSE Class 12 Chemistry exam paper pattern and marking scheme 2025 in PDF:

• Go to the official website of CBSE 
• In the menu bar, choose the sample question paper option
• Select SQP for your desired year from the dropdown box
• Select Class XII from the dropdown box
• A list of subjects appears on the screen. Scroll through to find the chemistry subject
• Click on the 'MS' to download the marking scheme
• Click on the 'SQP' to have a look at the exam pattern

How To Utilize The Marking Scheme

Understanding the grading scheme is one thing; properly employing it during your preparation process is most important. Focus on:

• Prioritising topics based on marks weightage
• Balancing preparation time for each section
• Practicing different types of questions

Check Out: CBSE class 12 Chemistry Reference books

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Conclusion

• Understanding the CBSE Class 12 Chemistry marking scheme can guide your Chemistry preparation, helping you focus on areas that yield the highest marks. 
• Chemistry is a difficult subject with a vast syllabus and complex topics for students to cover.
• Preparing for the subject requires a lot of effort and time; thus, students must be extremely dedicated to scoring high marks in Chemistry.

Check Out: How to score 100 in Chemistry Class 12 CBSE