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.