🧪 Class 11 Chemistry

Complete chapter-wise notes for Physical, Inorganic, and Organic Chemistry

Chapter 1: Some Basic Concepts of Chemistry

Mole concept, stoichiometry, and atomic mass.

Key Topics:

  • Nature of Matter
  • Atomic and Molecular Masses
  • Mole Concept
  • Stoichiometry
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Chapter 2: Structure of Atom

Bohr's model, quantum mechanics, and electron configuration.

Key Topics:

  • Discovery of Sub-atomic Particles
  • Bohr's Model
  • Quantum Mechanical Model
  • Electronic Configuration
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Chapter 3: Classification of Elements and Periodicity

Periodic table trends, ionization enthalpy, and electronegativity.

Key Topics:

  • Modern Periodic Law
  • Nomenclature of Elements > 100
  • s, p, d, f Blocks
  • Periodic Trends
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Chapter 4: Chemical Bonding and Molecular Structure

VSEPR theory, hybridization, and molecular orbital theory.

Key Topics:

  • Kossel-Lewis Approach
  • VSEPR Theory
  • Valence Bond Theory
  • Molecular Orbital Theory
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Chapter 5: Thermodynamics

First law, enthalpy, entropy, and Gibbs free energy.

Key Topics:

  • First Law of Thermodynamics
  • Enthalpy and Heat Capacity
  • Hess's Law
  • Entropy and Spontaneity
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Chapter 6: Equilibrium

Chemical equilibrium, Le Chatelier's principle, and ionic equilibrium.

Key Topics:

  • Equilibrium in Physical and Chemical Processes
  • Law of Chemical Equilibrium
  • Le Chatelier's Principle
  • Ionic Equilibrium (pH, Buffers)
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Chapter 7: Redox Reactions

Oxidation numbers, balancing redox equations, and electrochemical cells.

Key Topics:

  • Oxidation and Reduction
  • Oxidation Number
  • Balancing Redox Reactions
  • Redox Reactions as the Basis for Titrations
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Chapter 8: Organic Chemistry - Some Basic Principles

IUPAC nomenclature, isomerism, and reaction mechanisms.

Key Topics:

  • Tetravalence of Carbon
  • Nomenclature of Organic Compounds
  • Isomerism
  • Fundamental Concepts in Organic Reaction Mechanism
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Chapter 9: Hydrocarbons

Alkanes, alkenes, alkynes, and aromatic hydrocarbons.

Key Topics:

  • Classification
  • Alkanes
  • Alkenes and Alkynes
  • Aromatic Hydrocarbon
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