CBSE Class 11 Chemistry Syllabus 2025-25 includes 9 units with an in-depth study on concepts such as hydrocarbons, equilibrium, redox reaction and more. Students also have to take the 30 marks practical exam.
Table of Contents
CBSE Class 11 Chemistry Syllabus 2024-25 consists of 9 units with chapters on some basic concepts of chemistry, hydrocarbons, equilibrium, redox reaction, structure of atoms, and more. The syllabus provides a comprehensive insight into the curriculum for theory and practical exams.
The CBSE board has published the syllabus on the official website. The CBSE Class 11 Chemistry 2024-25 Syllabus includes a marking scheme for each chapter. Students must cover the syllabus before appearing for the annual exam. The CBSE class 11 exam will contain MCQ, short answer questions, and long answer questions from the syllabus.
CBSE Class 11 Chemistry Syllabus 2024-25
Students can further download the PDF for CBSE Class 11 Chemistry 2024-25 Syllabus from the table below. The CBSE Class 11 Chemistry exam consists of 70 marks for the theory exam and 30 marks for internal assessments, marking a total marks of 100. The syllabus includes a detailed curriculum for both the exam.
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Unit I: Some Basic Concepts of Chemistry 12 Periods
- General Introduction: Importance and scope of Chemistry.
- Nature of matter, laws of chemical combination, Dalton's atomic theory: the concept of elements, atoms, and molecules.
- Atomic and molecular masses, mole concept and molar mass, percentage composition, Empirical and molecular formulas, chemical reactions, stoichiometry, and calculations based on
stoichiometry.
Unit II: Structure of Atom
- Discovery of Electron, Proton and Neutron, atomic number, isotopes and isobars.
- Thomson's model and its limitations. Rutherford's model and its limitations, Bohr's model and its limitations, the concept of shells and subshells, and the Dual nature of matter and light.
- De Broglie's relationship, Heisenberg uncertainty principle, concept of orbitals, quantum numbers, shapes of s, p, and d orbitals, rules for filling electrons in orbitals - Aufbau principle.
- Pauli's exclusion principle and Hund's rule, electronic configuration of atoms, and stability of half-filled and filled orbitals. (2024-25)
Unit III: Classification of Elements and Periodicity in Properties
- Significance of classification, a brief history of the development of the periodic table, modern periodic
- Law and the present form of the periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency.
- Nomenclature of elements with atomic number greater than 100.
Unit IV: Chemical Bonding and Molecular Structure
- Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules.
- VSEPR theory, the concept of hybridization, involving s, p, and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules(qualitative idea only), Hydrogen bond.
Unit V: Chemical Thermodynamics
- Concepts of Systems and types of systems, surroundings, work, heat, energy, extensive and intensive properties, and state functions.
- The first law of thermodynamics -internal energy and enthalpy, heat capacity, and specific heat, measurement of U and H, Hess's law of constant heat summation, enthalpy of bond
dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. - The second law of Thermodynamics (brief introduction)
- Introduction of entropy as a state function, Gibb's energy change for spontaneous and nonspontaneous processes, criteria for equilibrium.
- Third law of thermodynamics (brief introduction).
Unit VI: Equilibrium
- Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass.
- Action, equilibrium constant, factors affecting equilibrium - Le Chatelier's principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes.
- Degree of ionization, ionization of polybasic acids, acid strength, the concept of pH, hydrolysis of salts (elementary idea)
- Buffer solution, Henderson Equation, solubility product, common ion effect (with illustrative
examples).
Unit VII: Redox Reactions
- Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox
reactions - In terms of loss and gain of electrons and change in oxidation number, applications
of redox reactions
Unit VIII: Organic Chemistry -Some Basic Principles and Techniques
- General introduction, methods of purification, qualitative and quantitative analysis, classification
- IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond
- Homolytic and heterolytic
- fission of a covalent bond.
Unit IX: Hydrocarbons
- Classification of Hydrocarbons
- Aliphatic Hydrocarbons
CBSE Class 11 Chemistry 2024-25 Syllabus (Practical)
The practical exam consists of experiments and project work. Check the pointers below to know the parameters of practical assessment.
- Basic Laboratory Techniques
- Experiments based on pH
- Chemical Equilibrium
- Quantitative Estimation
- Qualitative Analysis
Marks Distribution of CBSE Class 11th Chemistry Syllabus
The mark distribution for practical and theory papers for the CBSE Class 11 Chemistry Syllabus 2024-25 is mentioned below. The CBSE Class 11 Chemistry Syllabus 2024-25 for theory and practical exams differ, and students must take note of the marks distribution accordingly.
Marks Distribution of CBSE Class 11th Chemistry Theory Syllabus
The marking scheme would help students understand the importance of each topic from the CBSE Class 11 Chemistry Syllabus 2024-25. This will help them to prepare for the exams and to face them. Students can look at the chapter-wise marking scheme to prepare for the exam accordingly.
| Units | Chapters | 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 |
Marks Distribution of CBSE Class 11th Chemistry Practical Syllabus
The practical exam will be conducted for 30 marks. Students have to perform practical experiments to score well in this exam. The evaluation scheme for the examination is mentioned below:
| Evaluation Scheme for Examination | Marks |
| Volumetric Analysis | 08 |
| Salt Analysis | 08 |
| Content-Based Experiment | 06 |
| Project work | 04 |
| Class record and viva | 05 |
| Total | 30 |
CBSE Class 11 Chemistry Syllabus 2024-25: Prescribed Books
The CBSE Board has published the list of prescribed books along with the CBSE 11th Chemistry 2024-25 Syllabus. Refer to the table below to get the recommended books by the board.
| Book Name | Publisher |
| Chemistry Part – I (Class-XI) | Published by NCERT |
| Chemistry Part – II (Class-XI) | Published by NCERT |
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