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CBSE Class 11 Chemistry Syllabus 2025-26
By Swati Singh
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Updated on 9 Jul 2025, 15:26 IST
CBSE Class 11 Chemistry Syllabus: The CBSE has released the new Class 11 Chemistry syllabus. Students can now view and download the full syllabus from the official CBSE website. It includes all the topics to be covered, details about practicals, and the marking scheme. The download link comes straight from the official site, so it's safe and accurate. Keep reading to get all the important details—brought to you by Infinity Learn.
CBSE Class 11 Chemistry Syllabus 2025-26 Download PDF
Infinity learn provide free PDF for CBSE class 11 chemistry syllabus 2025-26:
CBSE Class 11 Chemistry Syllabus 2025-26
| Unit No. | Unit Name | Marks |
| 1 | Some Basic Concepts of Chemistry | 7 |
| 2 | Structure of Atom | 9 |
| 3 | Classification of Elements and Periodicity in Properties | 6 |
| 4 | Chemical Bonding and Molecular Structure | 7 |
| 5 | Chemical Thermodynamics | 9 |
| 6 | Equilibrium | 7 |
| 7 | Redox Reactions | 4 |
| 8 | Organic Chemistry: Some Basic Principles and Techniques | 11 |
| 9 | Hydrocarbons | 10 |
| Total | 70 | |
Practical Syllabus (Total Marks: 30)
| Component | Marks |
| Volumetric Analysis | 08 |
| Salt Analysis | 08 |
| Content-based Experiment | 06 |
| Project Work | 04 |
| Class Record and Viva Voce | 04 |
| Total | 30 |
CBSE Class 11 Chemistry Syllabus 2025-26 – Course Summary
The CBSE Class 11 Chemistry Syllabus for 2025–26 is designed to build a strong foundation in both Physical, Inorganic, and Organic Chemistry. It covers key scientific concepts, lab experiments, and prepares students for Class 12 and competitive exams like NEET and JEE.
Theory Syllabus Overview (70 Marks)
The theory portion is divided into 9 units:
- Some Basic Concepts of Chemistry – Mole concept, laws of chemical combination.
- Structure of Atom – Atomic models, quantum numbers, electron configuration.
- Classification of Elements and Periodicity in Properties – Periodic trends, atomic and ionic radii.
- Chemical Bonding and Molecular Structure – VSEPR theory, hybridization, bonding types.
- Chemical Thermodynamics – Enthalpy, internal energy, spontaneity of reactions.
- Equilibrium – Physical and chemical equilibrium, pH, buffers, solubility product.
- Redox Reactions – Oxidation numbers, redox balancing methods.
- Organic Chemistry – Some Basic Principles and Techniques – Nomenclature, electronic effects, purification techniques.
- Hydrocarbons – Alkanes, alkenes, alkynes, benzene and their reactions.
Practical Syllabus Overview (30 Marks)
Hands-on lab work to develop scientific skills:
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- Volumetric Analysis – Acid-base titration and concentration determination.
- Salt Analysis – Identify cations and anions in a sample.
- Content-Based Experiments – Based on theoretical concepts.
- Project Work – Research and presentation on a chemistry topic.
- Class Record and Viva Voce – Lab manual maintenance and oral exam.
CBSE Class 11 Chemistry Syllabus 2025–26 – Chapter wise Summary
Chapter 1: Some Basic Concepts of Chemistry
Introduction to chemistry, laws of chemical combination, mole concept, mass and mole calculations, and stoichiometry.
Chapter 2: Structure of Atom
Atomic models (Rutherford, Bohr), quantum mechanical model, quantum numbers, orbitals, and electronic configuration.
Chapter 3: Classification of Elements and Periodicity in Properties
Modern periodic table, periodic trends like atomic radius, ionization energy, electronegativity, and element properties.
Chapter 4: Chemical Bonding and Molecular Structure
Bond formation (ionic, covalent), VSEPR theory, hybridization, molecular geometry, and bond characteristics.
Chapter 5: Chemical Thermodynamics
Energy in chemical processes, enthalpy, internal energy, entropy, first law of thermodynamics, and spontaneity.
Chapter 6: Equilibrium
Chemical and ionic equilibrium, equilibrium constants, Le Chatelier’s principle, acids, bases, pH, buffers.
Chapter 7: Redox Reactions
Oxidation-reduction basics, oxidizing and reducing agents, oxidation number, and balancing redox equations.
Chapter 8: Organic Chemistry – Some Basic Principles and Techniques
IUPAC nomenclature, reaction mechanisms, inductive/resonance effects, and purification of organic compounds.
Chapter 9: Hydrocarbons
Alkanes, alkenes, alkynes, benzene, their structure, properties, reactions (combustion, substitution, addition).
FAQs on CBSE Class 11 Chemistry Syllabus
What are the total marks for CBSE Class 11 Chemistry?
CBSE Class 11 Chemistry is assessed out of 100 marks, divided into:
Theory: 70 marks
- Practical: 30 marks
How many chapters are there in Class 11 Chemistry?
There are 9 chapters in total, covering Physical, Inorganic, and Organic Chemistry. These include fundamental topics like the Structure of Atom, Thermodynamics, Equilibrium, and Hydrocarbons.
Is the syllabus updated for 2025–26?
Yes, CBSE has updated the Class 11 Chemistry syllabus for 2025–26. It aligns with NEP 2020, focuses on competency-based learning, and includes recent trends like Green Chemistry and Application-Based Questions.
What is the new exam pattern for Chemistry Class 11?
The final exam now includes:
20% MCQs
50% application-based or competency questions
30% short and long answer questions
This structure encourages conceptual understanding over rote learning.
What is covered in the practical syllabus?
The practical section (30 marks) includes:
Volumetric Analysis (8 marks)
Salt Analysis (8 marks)
Content-Based Experiments (6 marks)
Project Work (4 marks)
- Viva and Record Keeping (4 marks)
Is Organic Chemistry included in Class 11?
Yes, Organic Chemistry forms a major part of the syllabus. It includes:
Basics of organic reactions and mechanisms
Nomenclature
- Hydrocarbons (alkanes, alkenes, alkynes, benzene)
How is Class 11 Chemistry useful for NEET and JEE?
Class 11 Chemistry forms the foundation for NEET and JEE. Many competitive exam questions are based on concepts from Class 11 like:
Mole concept
Thermodynamics
Chemical bonding
- Organic Chemistry basics