CBSE Class 11th & 12th Chemistry Syllabus

About CBSE Class 11th & 12th Chemistry Syllabus

The CBSE Class 12 Chemistry Syllabus helps students build a strong understanding of organic, inorganic, and physical chemistry concepts. It covers important topics like electrochemistry, biomolecules, coordination compounds, and chemical kinetics. The CBSE Class syllabus 12 is designed to improve problem-solving skills and prepare students for board as well as entrance examinations. With a balanced mix of theory and practical learning, students can strengthen their conceptual knowledge and scoring potential in chemistry.

Find the PDF of CBSE Class 11th & 12th Chemistry Syllabus

CBSE Class 12 Chemistry Syllabus

The CBSE Class 12 Chemistry syllabus is divided into three major sections: Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. This syllabus is designed to provide a comprehensive understanding of chemical concepts and their applications, which are essential for students preparing for competitive exams and pursuing careers in science and engineering.

Unit 2: Solutions

• Types of solutions: Binary solutions
• Concentration of solutions: Molarity, molality
• Raoult’s law: Vapour pressure of liquid solutions
• Colligative properties: Relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure
• Abnormal molar mass: Van't Hoff factor

Unit 3: Electrochemistry

• Electrochemical cells: Galvanic and electrolytic cells
• Electrode potential: Standard electrode potential, Nernst equation
• Electrolysis: Faraday’s laws
• Batteries: Primary and secondary batteries
• Corrosion: Electrochemical theory

Unit 4: Chemical Kinetics

• Rate of reaction: Average and instantaneous rate
• Factors affecting rate: Concentration, temperature, catalyst
• Order and molecularity of a reaction
• Integrated rate equations: Zero and first-order reactions
• Collision theory: Activation energy

Unit 5: Surface Chemistry

• Adsorption: Physisorption and chemisorption
• Catalysis: Homogeneous and heterogeneous catalysis
• Colloids: Types of colloids, Tyndall effect, Brownian movement, electrophoresis

Unit 6: General Principles and Processes of Isolation of Elements

• Metallurgy: Principles and methods of extraction
• Concentration of ores: Hydraulic washing, magnetic separation
• Refining: Distillation, liquation, electrolytic refining

Unit 7: p-Block Elements

• Group 15 Elements: Nitrogen family
• Group 16 Elements: Oxygen family
• Group 17 Elements: Halogens
• Group 18 Elements: Noble gases
• Anomalous behavior of fluorine and oxygen
• Oxides and oxoacids of nitrogen, phosphorus, sulfur

Unit 8: d- and f-Block Elements

• General properties: Electronic configuration, oxidation states, color, and magnetic properties
• Lanthanides and Actinides: Oxidation states, properties of lanthanides, actinide contraction
• Coordination compounds: Nomenclature, isomerism, bonding

Unit 9: Coordination Compounds

• Coordination compounds: Werner’s theory
• Nomenclature: IUPAC naming
• Bonding: VBT and CFT
• Importance of coordination compounds: Bio-inorganic chemistry, industrial applications

Unit 10: Haloalkanes and Haloarenes

• Nomenclature: Haloalkanes and haloarenes
• Nature of C-X bond
• Mechanism of substitution reactions: SN1, SN2
• Elimination reactions
• Uses and environmental effects: DDT, freons

Unit 11: Alcohols, Phenols, and Ethers

• Nomenclature: Alcohols, phenols, ethers
• Methods of preparation: Alcohols from alkenes, phenols from benzene
• Chemical properties: Reactions of alcohols and phenols
• Uses of alcohols, phenols, and ethers

Unit 12: Aldehydes, Ketones, and Carboxylic Acids

• Nomenclature: Aldehydes, ketones, and carboxylic acids
• Preparation: Aldehydes and ketones from alcohols, carboxylic acids from primary alcohols
• Reactions: Nucleophilic addition, oxidation, reduction
• Uses: In industrial applications

Unit 13: Organic Compounds Containing Nitrogen

• Amines: Classification, preparation, properties
• Diazonium salts: Preparation, properties, and synthetic applications
• Cyanides and isocyanides

Unit 14: Biomolecules

• Carbohydrates: Classification, monosaccharides, disaccharides, polysaccharides
• Proteins: Structure, types, enzymes
• Vitamins: Classification and functions
• Nucleic acids: DNA and RNA
• Hormones: Types and functions

Unit 15: Polymers

• Classification of polymers: Addition and condensation polymers
• Types of polymerization reactions: Addition and condensation
• Biodegradable and non-biodegradable polymers

Unit 16: Chemistry in Everyday Life

• Drugs and their classification: Analgesics, tranquilizers, antiseptics, and antibiotics
• Chemicals in food: Preservatives, artificial sweetening agents
• Cleansing agents: Soaps and detergents

Practical Syllabus

The practical component of the CBSE Class 12 Chemistry syllabus includes qualitative analysis, quantitative analysis, and preparation of chemical compounds. Students are required to perform experiments, record observations, and submit lab reports. Key experiments include:

• Titrations: Acid-base titrations, redox titrations
• Salt Analysis: Identification of cations and anions
• Preparation of Organic Compounds: Acetanilide, dibenzalacetone
• Chromatography: Separation of pigments

Assessment and Exam Pattern

• Theory Exam: The theory exam is of 70 marks, with a combination of objective, short, and long answer questions.
• Practical Exam: The practical exam is of 30 marks, which includes viva voce, practical records, and experiments.

CBSE Class 11 Chemistry syllabus 

The CBSE Class 11 Chemistry syllabus covers fundamental concepts in chemistry that lay the groundwork for more advanced studies. Here's a breakdown of the key topics:

1. Some Basic Concepts of Chemistry

• Nature of Matter: Classification of matter, states of matter, properties of matter.
• Laws of Chemical Combination: Law of conservation of mass, law of definite proportions, law of multiple proportions.
• Mole Concept and Molar Mass: Concept of mole, Avogadro's number, molar mass, and calculations involving moles.

2. Structure of Atom

• Atomic Theory: Dalton’s atomic theory.
• Structure of Atom: Discovery of electron, proton, neutron, atomic number, mass number, isotopes, isobars.
• Models of Atom: Bohr’s model, quantum mechanical model of atom.
• Electron Configuration: Electronic configuration of elements, Aufbau principle, Hund’s rule, Pauli’s exclusion principle.

3. Classification of Elements and Periodicity in Properties

• Periodic Table: Mendeleev’s periodic table, modern periodic table, periodic trends (atomic radius, ionization energy, electron affinity, electronegativity).

4. Chemical Bonding and Molecular Structure

• Chemical Bonds: Ionic bonds, covalent bonds, and metallic bonds.
• Molecular Structure: VSEPR theory, hybridization, bond angles, and molecular shapes.
• Intermolecular Forces: Van der Waals forces, hydrogen bonding.

5. States of Matter: Gases and Liquids

• Gaseous State: Ideal gas laws, real gases, gas laws (Boyle’s law, Charles’s law, Avogadro’s law), and kinetic molecular theory.
• Liquid State: Properties of liquids, vapor pressure, and surface tension.

6. Thermodynamics

• Basic Concepts: System, surroundings, types of systems, work, heat, internal energy.
• Laws of Thermodynamics: First law of thermodynamics, enthalpy, Hess’s law.
• Entropy and Free Energy: Concept of entropy, Gibbs free energy.

7. Equilibrium

• Chemical Equilibrium: Dynamic nature of equilibrium, Le Chatelier’s principle, equilibrium constant.
• Acids and Bases: Concept of acids and bases, pH scale, buffer solutions, and neutralization reactions.

8. Redox Reactions

• Oxidation and Reduction: Redox reactions, oxidation states, balancing redox reactions.
• Electrochemical Cells: Galvanic cells, electrolytic cells, standard electrode potential.

9. Hydrogen

• Properties of Hydrogen: Isotopes of hydrogen, preparation, properties, and uses.
• Hydrogen Compounds: Water, hydrogen peroxide, and hydrides.

10. s-Block Element (Alkali and Alkaline Earth Metals)

• Alkali Metals: Properties, occurrence, and compounds.
• Alkaline Earth Metals: Properties, occurrence, and compounds.

11. Some p-Block Elements

• Group 13 Elements: Properties, compounds.
• Group 14 Elements: Properties, compounds.
• Group 15 Elements: Properties, compounds.

12. Organic Chemistry – Some Basic Principles and Techniques

• Basic Principles: Nomenclature, types of organic reactions, isomerism.
• Techniques: Methods of purification, qualitative and quantitative analysis.

13. Hydrocarbons

• Classification: Alkanes, alkenes, alkynes.
• Properties and Reactions: Physical and chemical properties, preparation and uses.

14. Environmental Chemistry

• Pollution: Air, water, soil pollution, and their control measures.
• Green Chemistry: Principles and applications.

The syllabus includes theoretical concepts, practical applications, and various problem-solving exercises. For a detailed syllabus and exam pattern, you can refer to the official CBSE website or consult with your school’s curriculum guide.

Conclusion

The CBSE Class 12 Chemistry syllabus is both extensive and crucial for students planning to pursue higher education in fields like chemistry, pharmacy, and chemical engineering. Thorough understanding and regular practice are key to excelling in the board exams and gaining a solid foundation in chemistry.