PSEB Class 11 Chemistry Syllabus 2024-2025: Download PDF for Course Content and Exam Pattern

PSEB Class 11 Chemistry Syllabus: The Punjab Board’s Class 11 Chemistry Syllabus for 2024-2025 mentions the detailed list of chapter-wise topics and contents of practical examination. The syllabus outlines the key topics and concepts to be covered throughout the academic year. It encompasses twelve units mentioning the marking scheme and topic-wise breakup of each. The syllabus also includes practical exams designed to assess students' laboratory skills. Check the complete syllabus to familiarise yourself with the latest course structure and prepare for the PSEB Class 11 Chemistry Exam 2024-25 accordingly.

PSEB Class 11 Chemistry Syllabus 2024-25

Unit I: Some Basic Concepts of Chemistry (12 Periods)

General Introduction: Importance and scope of chemistry. Development 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 (14 Periods)

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, 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 (8 Periods)

Modern periodic law and the present form of periodic table, periodic trends in properties of elements-atomic radii, ionic, inert gas radii, linization enthalpy, electron gain enthalpy, electronegativity, valency. Nomenclature of elements with atomic number greater than 100

Unit IV: Chemical Bonding and Molecular Structure (14 Periods)

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 V: Chemical Thermodynamics (16 Periods)

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 non-spontaneous processes, criteria for equilibrium. Third law of thermodynamics (brief introduction).

Unit-VI: Equilibrium (14 Periods)

Equilibrium in physical and chemical process, 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, Henderson Equation, hydrolysis of salts (elementary idea), buffer solution, solubility product, common hydrolysis of salts (elementary idea), buffer solution, solubility product, common ion effect (with illustrative examples).

Unit VII: Redox Reactions (06 Periods)

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 (14 Periods)

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 IX: Hydrocarbons (12 Periods)

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 (ethane), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markownikov's addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.

Alynes-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 Examination

To check the list of experiments/projects and further details of PSEB Class 11 Chemistry Syllabus, download PDF below:

Also Check: PSEB Class 11 Syllabus 2024-2025 (All Subjects)