General introduction, methods of purification, qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds. Unit 8: Organic Chemistry -Some Basic Principles and Techniques Unit 7: Redox ReactionsĬoncept 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. Third law of thermodynamics (brief introduction).Įquilibrium 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). 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. First law of thermodynamics -internal energy and enthalpy, heat capacity and specific heat, measurement of ΔU and ΔH, Hess's law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Unit 5: Chemical ThermodynamicsĬoncepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions. Valence electrons, ionic bond, covalent bond, bond parameters, Lewis’s 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 4: Chemical Bonding and Molecular Structure Nomenclature of elements with atomic number greater than 100. ![]() 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. Unit 3: Classification of Elements and Periodicity in Properties 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. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry.ĭiscovery of Electron, Proton and Neutron, atomic number, isotopes and isobars. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. General Introduction: Importance and scope of Chemistry. Chemistry Part – II, Class-XI, Published by NCERT.ĬBSE Chemistry Syllabus for Class 11 2023-24 Unit 1: Some Basic Concepts of Chemistry. ![]() Chemistry Part – I, Class-XI, Published by NCERT.Organic Chemistry: Some Basic Principles and Techniques ![]() Number of chapters: 9 CBSE Class 11 Chemistry 2023-24 Course StructureĬlassification of Elements and Periodicity in Properties
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