CBSE Class 11 Syllabus 2024 – 25 For Class 11 Chemistry Download Online CBSE Syllabus Class 11 Chemistry Syllabus As per Guidelines.
CBSE पाठ्यक्रम 11th Class Chemistry As Per NCERT
सीबीएसई बोर्ड 11वीं सिलेबस 2024 | CBSE Syllabus 2024 2025 | CBSE Chemistry Syllabus for Class XI | CBSE Class 11 Chemistry Syllabus www.cbse.gov.in
CBSE Latest Syllabus for Class 11 Chemistry is important for students to prepare their study time to time. Here we are provided New Edition CBSE Syllabus 2024. Stay tuned with Us for Get All Subjects Solution Biology MCQ, Physics MCQ, Difference between in Physics, Difference between in Biology
Exam Pattern for Year 2024 – 25
- Competency Focused Questions in the form of MCQs/ Case Based Questions, Source-based Integrated Questions or any other type = 40%
- Select response type questions (MCQ) = 20%
- Constructed response questions (Short Answer Questions/ Long Answer type Questions, as per existing pattern) = 40%
In case you have missed:- NCERT MCQ for Class 11 Physics
CBSE Class 11 Chemistry Syllabus 2024 2025
CLASS–XI
Part – I
- Unit 1 Some Basic Concepts of Chemistry
- Unit 2 Structure of Atom
- Unit 3 Classification of Elements and Periodicity in Properties
- Unit 4 Chemical Bonding and Molecular Structure
- Unit 5 Thermodynamics
- Unit 6 Equilibrium
Part – II
- Unit 7 Redox Reactions
- Unit 8 Organic Chemistry – Some Basic Principles and Techniques
- Unit 9 Hydrocarbons
S. NO. | UNIT | PERIODS | MARKS |
1 | Some Basic Concepts of Chemistry | 12 | 7 |
2 | Structure of Atom | 14 | 9 |
3 | Classification of Elements and Periodicity in Properties | 8 | 6 |
4 | Chemical Bonding and Molecular Structure | 14 | 7 |
5 | Chemical Thermodynamics | 16 | 9 |
6 | Equilibrium | 14 | 7 |
7 | Redox Reactions | 6 | 4 |
8 | Organic Chemistry: Some basic Principles and Techniques | 14 | 11 |
9 | Hydrocarbons | 12 | 10 |
TOTAL | 70 |
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’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 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 ΔU and ΔH, 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 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, the 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, the 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 the functional group in monosubstituted benzene. Carcinogenicity and toxicity.