ISC Class 12 Chemistry Syllabus 2025–26 | CISCE Curriculum
🧪 ISC Class 12 Chemistry Syllabus (2025–26)
Class: XII
Subject: Chemistry
Board: ISC (Indian School Certificate)
Governing Body: CISCE (Council for the Indian School Certificate Examinations)
📊 Question Pattern & Marking Scheme (ISC Class 12 – Chemistry)
Theory Examination: 70 Marks
Practical Examination / Internal Assessment: 30 Marks
Total: 100 Marks
Duration (Theory): 3 Hours
Theory Paper Structure:
- Section A: Very Short Answer Questions (VSA)
- Objective and conceptual questions from the entire syllabus
- Section B: Short Answer Questions (SA)
- Numerical problems, equations, and brief explanations
- Section C: Long Answer Questions (LA)
- Descriptive, analytical, and application-based questions with internal choices
Practical / Internal Assessment (30 Marks):
- Laboratory experiments (quantitative and qualitative)
- Project work and practical record
- Viva voce
✨
The ISC Class 12 Chemistry syllabus 2025–26, prescribed by CISCE, is designed to strengthen students’ understanding of chemical principles and their real-world applications. The curriculum integrates physical, organic, and inorganic chemistry with a strong emphasis on laboratory skills, numerical problem-solving, and conceptual clarity. This syllabus prepares students for board examinations, competitive entrance tests, and higher studies in science, medicine, engineering, and allied fields.
📚 ISC Class 12 Chemistry Syllabus 2025–26 (Unit-wise)
| Unit | Chapter / Topic | Learning Outcomes |
|---|---|---|
| Unit 1 | Solid State | Understand crystal structures, unit cells, packing efficiency, and defects in solids. |
| Unit 2 | Solutions | Study concentration terms, colligative properties, and abnormal molecular mass. |
| Unit 3 | Electrochemistry | Learn redox reactions, electrochemical cells, electrode potential, and corrosion. |
| Unit 4 | Chemical Kinetics | Analyze reaction rates, order, molecularity, and factors affecting reactions. |
| Unit 5 | Surface Chemistry | Understand adsorption, catalysis, colloids, and their applications. |
| Unit 6 | General Principles and Processes of Isolation of Elements | Study metallurgy, ores, concentration, extraction, and refining processes. |
| Unit 7 | p-Block Elements | Learn properties, reactions, and applications of p-block elements and compounds. |
| Unit 8 | d- and f-Block Elements | Understand transition elements, lanthanides, actinides, and their characteristics. |
| Unit 9 | Coordination Compounds | Study nomenclature, bonding, isomerism, and applications of coordination compounds. |
| Unit 10 | Haloalkanes and Haloarenes | Learn preparation, properties, reactions, and uses of halogen derivatives. |
| Unit 11 | Alcohols, Phenols and Ethers | Understand structure, preparation, reactions, and applications. |
| Unit 12 | Aldehydes, Ketones and Carboxylic Acids | Study functional groups, reactions, mechanisms, and uses. |
| Unit 13 | Amines | Learn classification, preparation, properties, and reactions of amines. |
| Unit 14 | Biomolecules | Understand carbohydrates, proteins, enzymes, nucleic acids, and vitamins. |
| Unit 15 | Polymers | Study types of polymers, polymerisation methods, and applications. |
| Unit 16 | Chemistry in Everyday Life | Learn the role of chemicals in medicines, food, and daily life. |
| Unit 17 | Practical Chemistry and Project Work | Apply theoretical concepts through laboratory experiments and investigations. |
Note: Practical experiments and project work are compulsory and assessed internally as per CISCE guidelines.
🔍 Frequently Asked Questions (FAQs)
Q1. Is ISC Class 12 Chemistry difficult?
Chemistry is concept-heavy but scoring with regular practice and conceptual clarity.
Q2. How important are numerical problems in ISC Chemistry?
Numerical questions are especially important in Physical Chemistry units.
Q3. Does ISC Chemistry include practical exams?
Yes, 30 marks are allotted for practical experiments, project work, and viva voce.
Q4. Is ISC Chemistry useful for NEET and JEE preparation?
Yes, the syllabus strongly overlaps with competitive exam chemistry fundamentals.
Q5. Are organic reaction mechanisms important in ISC Chemistry?
Yes, understanding reaction mechanisms is essential for organic chemistry questions.
🎯
The ISC Class 12 Chemistry syllabus 2025–26, framed by CISCE, offers a comprehensive and balanced approach to chemical science through theory, numericals, and practical experimentation. By covering physical, inorganic, and organic chemistry in depth, this syllabus equips students with analytical skills, laboratory competence, and subject mastery essential for board success and future academic pursuits.
🔑 Related Keyphrases
- ISC Class 12 Chemistry syllabus
- CISCE Chemistry curriculum 2025
- ISC Chemistry exam pattern Class 12
- Class 12 ISC Chemistry practical syllabus
- ISC Chemistry board exam preparation