CBSE Class 12th Science
🧪 Class 12th Chemistry Syllabus & Marks Weightage
Official CBSE 2025-2026 curriculum and unit-wise weightage distribution. Use this blueprint to prioritize high-weightage chapters and maximize your board exam score.
Theory Examination
70 Marks
Internal / Practical
30 Marks
Total Units
10 Units
Exam Duration
3 Hours
01
Solutions
7 Marks
10.0%
02
Electrochemistry
9 Marks
12.9%
03
Chemical Kinetics
7 Marks
10.0%
04
d- and f-Block Elements
7 Marks
10.0%
05
Coordination Compounds
7 Marks
10.0%
06
Haloalkanes and Haloarenes
6 Marks
8.6%
07
Alcohols, Phenols and Ethers
6 Marks
8.6%
08
Aldehydes, Ketones and Carboxylic Acids
8 Marks
11.4%
09
Amines
6 Marks
8.6%
10
Biomolecules
7 Marks
10.0%
💡 CBSE Class 12 Chemistry Preparation Strategy
- Focus on units carrying 8 or more marks first to secure high scoring foundational sections early.
- Solve the last 10 years of CBSE previous year question papers to master recurring derivation and question patterns.
- Download comprehensive chapter notes and step-by-step marking schemes inside the official Class 12th CBSE mobile application.