CBSE Class 11th Chemistry Syllabus 2024-25: Download PDF

CBSE Class 11 Chemistry Syllabus 2024-25: The Central Board of Secondary Education (CBSE) Class 11 Chemistry syllabus has been released. The CBSE Board has recently published its new syllabus on the official website. Students can access the Class 11 Chemistry syllabus in this article and can download their chemistry syllabus and complete curriculum here. Along with the details of the course content, students can also check the practical details, and evaluation scheme in this article. The downloadable link of the syllabus has been provided at the conclusion of this article. The information is sourced from the official website hence, students can download with confidence. Read the complete article to know more: 

CBSE Class 11 Chemistry 2024-25 Objectives

The curriculum of Chemistry at Senior Secondary Stage aims to:

• Basic understanding of facts and concepts in chemistry 
• Capable of studying chemistry in academic and professional courses at tertiary level.
• Expose the students to various emerging new areas of chemistry and apprise them with their relevance in future studies. 
• Equip students to face various challenges related to health, nutrition, environment, population, weather, industries and agriculture.
• Development of problem solving skills in students.
• Exposure to different processes used in industries and their technological applications. 
• Apprise students with the interface of chemistry with other disciplines of science such as physics, biology, geology, engineering etc.
• Acquaint students with different aspects of chemistry used in daily life.
• Develop an interest in students to study chemistry as a discipline.
• Integrate life skills and values in the context of chemistry. 

CBSE Class 11 Chemistry 2024-25 Course Structure

CBSE Class 11 Chemistry subject consists of nine units. The total marks allotted for theory paper is 70 marks and allotted time is three hours. The tabulated information below reflects the title, number of periods along with the mark allocation of the chapters. Refer the table below for more understanding: 

CBSE Class 11 Chemistry Syllabus for 2024-25

Unit I: Some Basic Concepts of Chemistry 

General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, 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, concept of shells and subshells, 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, stability of half-filled and completely filled orbitals. 

Unit III: Classification of Elements and Periodicity in Properties 

Significance of classification, brief history of the development of periodic table, modern periodic law and the present form of 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, 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 VI: Chemical Thermodynamics 

Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions. 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. 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 VII: 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 poly basic acids, acid strength, concept of pH, hydrolysis of salts (elementary idea), buffer solution, Henderson Equation, solubility product, common ion effect (with illustrative examples). 

Unit VIII: 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 XII: Organic Chemistry -Some Basic Principles and Techniques 

General introduction, methods of purification, qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyper conjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions. 

Unit XIII: Hydrocarbons 

Classification of Hydrocarbons 

Aliphatic Hydrocarbons: Alkanes - Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis. Alkenes - Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov's addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition. Alkynes - Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of - hydrogen, halogens, hydrogen halides and water. 

Aromatic Hydrocarbons: Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: mechanism of electrophilic substitution. Nitration, sulphonation, halogenation, Friedel Craft's alkylation and acylation, directive influence of functional group in monosubstituted benzene. Carcinogenicity and toxicity.

Practical Evaluation Scheme for Class 11 Chemistry 

The practical examination will be of a two hour duration with a mark allocation of 30 marks in total. Students can find below the evaluation scheme for the practical examination for better understanding: 

Prescribed Books: 

1. Chemistry Part – I, Class-XI, Published by NCERT.
2. Chemistry Part – II, Class-XI, Published by NCERT. 

CBSE Class 11 Chemistry Syllabus 2024–25 

Here's the direct link to download the CBSE Class 11 Chemistry syllabus: 

Here, you can get a PDF link to download the latest CBSE Class 11 Chemistry curriculum. The article is summarised of class 11 chemistry objective, syllabus weightage, course overview and practical evaluation scheme. Students of class 11 can click on the direct link to the PDF to download and check the updates regarding the curriculum. 

Also read: CBSE Class 11 Syllabus 2024-25 (All Subjects)