ISC Class 11 Chemistry Syllabus 2025–26 | CISCE
🧪 ISC Class 11 – Chemistry Syllabus (2025–26)
Class: XI
Subject: Chemistry
Board: ISC (Indian School Certificate)
Governing Body: CISCE (Council for the Indian School Certificate Examinations)
📊 ISC Chemistry – Question Pattern & Marking Scheme (2025–26)
Total Marks: 100
- Theory Examination: 70 marks
- Practical / Internal Assessment: 30 marks
Theory Paper (3 Hours) – 70 Marks
- Section A: Very Short Answer Questions (VSA)
- Section B: Short Answer Questions (SA)
- Section C: Long Answer / Application-based Questions (LA)
- Questions include definitions, reasoning, chemical equations, numericals, and conceptual explanations
Practical Examination & Internal Assessment – 30 Marks
- Laboratory experiments
- Practical record & project work
- Viva voce
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The ISC Class 11 Chemistry syllabus 2025–26, prescribed by CISCE, provides a strong conceptual foundation in physical, organic, and inorganic chemistry. The curriculum emphasizes scientific reasoning, problem-solving, laboratory skills, and real-life applications of chemical principles. Through a balanced integration of theory and practical work, ISC Chemistry prepares students for Class 12 board examinations, competitive entrance tests, and advanced studies in science, medicine, and engineering.
📚 ISC Class 11 Chemistry Syllabus 2025–26
| Unit | Chapter / Topic | Learning Outcomes |
|---|---|---|
| Unit 1 | Some Basic Concepts of Chemistry | Understand the nature of matter, laws of chemical combination, mole concept, and stoichiometry. |
| Unit 2 | Structure of Atom | Study atomic models, electronic configuration, quantum numbers, and atomic spectra. |
| Unit 3 | Classification of Elements & Periodicity | Understand periodic trends, periodic table classification, and properties of elements. |
| Unit 4 | Chemical Bonding & Molecular Structure | Learn types of chemical bonds, molecular geometry, and intermolecular forces. |
| Unit 5 | States of Matter | Study gaseous and liquid states, gas laws, kinetic theory, and behaviour of real gases. |
| Unit 6 | Thermodynamics | Understand laws of thermodynamics, enthalpy changes, entropy, and Gibbs free energy. |
| Unit 7 | Equilibrium | Learn chemical and ionic equilibrium, equilibrium constants, and factors affecting equilibrium. |
| Unit 8 | Redox Reactions | Understand oxidation-reduction reactions and balancing of redox equations. |
| Unit 9 | Hydrogen | Study position of hydrogen, its isotopes, properties, and uses. |
| Unit 10 | s-Block Elements | Learn properties and applications of alkali and alkaline earth metals. |
| Unit 11 | Some p-Block Elements | Study properties, trends, and compounds of selected p-block elements. |
| Unit 12 | Organic Chemistry – Basic Concepts & Techniques | Understand nomenclature, isomerism, purification, and basic reaction mechanisms. |
| Unit 13 | Hydrocarbons | Study alkanes, alkenes, alkynes, aromatic hydrocarbons, and their reactions. |
| Unit 14 | Environmental Chemistry | Understand environmental pollution, chemical processes, and environmental protection. |
🔑 Related Keyphrases
- ISC Class 11 Chemistry syllabus
- ISC Chemistry curriculum 2025–26
- Class 11 ISC Chemistry subject details
- ISC Chemistry exam pattern Class 11
- CISCE Class 11 Chemistry syllabus
❓ Frequently Asked Questions (FAQs)
Q1. Is Chemistry compulsory in ISC Class 11 Science stream?
Yes, Chemistry is a core subject for science stream students.
Q2. What is the exam pattern for ISC Class 11 Chemistry?
The subject carries 100 marks, with 70 marks for theory and 30 marks for practical/internal assessment.
Q3. Are practical exams mandatory in ISC Chemistry?
Yes, laboratory experiments, record submission, and viva voce are compulsory.
Q4. Does ISC Chemistry include numericals?
Yes, numericals are included mainly in physical chemistry topics such as mole concept, thermodynamics, and equilibrium.
Q5. How important is Class 11 Chemistry for competitive exams?
Class 11 Chemistry builds essential fundamentals required for Class 12 boards, NEET, JEE, and other science entrance exams.
📝
The ISC Class 11 Chemistry syllabus 2025–26 offers a comprehensive framework for understanding chemical principles through theory and hands-on experimentation. By strengthening conceptual clarity, analytical ability, and laboratory skills, this syllabus prepares students for academic excellence and future careers in science, medicine, engineering, and research. Mastery of Class 11 Chemistry forms the backbone for success in higher-level chemical studies.
