[ PDF ] DOWNLOAD NCERT CHEMISTRY BOOK CLASS XI PART 1

  

NCERT CHEMISTRY BOOKS

 CLASS XI 

PART 1

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TABLE OF CONTENTS

• C H A P T E R-1
  
  
• Unit 1 Some Basic Concepts of Chemistry 1
• 1.1 Importance of Chemistry 4
• 1.2 Nature of Matter 4
• 1.3 Properties of Matter and their Measurement 6
• 1.4 Uncertainty in Measurement 10
• 1.5 Laws of Chemical Combinations 14
• 1.6 Dalton’s Atomic Theory 16
• 1.7 Atomic and Molecular Masses 16
• 1.8 Mole Concept and Molar Masses 18
• 1.9 Percentage Composition 18
• 1.10 Stoichiometry and Stoichiometric Calculations 20

• C H A P T E R-2
  Unit 2 Structure of Atom
• 2.1 Discovery of Sub-atomic Particles 30
• 2.2 Atomic Models 32
• 2.3 Developments Leading to the Bohr’s Model of Atom 37
• 2.4 Bohr’s Model for Hydrogen Atom 46
• 2.5 Towards Quantum Mechanical Model of the Atom 49
• 2.6 Quantum Mechanical Model of Atom

• C H A P T E R-3
  
  
• Unit 3 Classification of Elements and Periodicity in Properties 74
• 3.1 Why do we Need to Classify Elements ? 74
• 3.2 Genesis of Periodic Classification 75
• 3.3 Modern Periodic Law and the present form of the Periodic Table 79
• 3.4 Nomenclature of Elements with Atomic Numbers > 100 79
• 3.5 Electronic Configurations of Elements and the Periodic Table 82
• 3.6 Electronic Configurations and Types of Elements: 83
• s-, p-, d-, f- Blocks
• 3.7 Periodic Trends in Properties of Elements

• C H A P T E R-4
  Unit 4 Chemical Bonding and Molecular Structure
  
• 4.1 Kössel-Lewis Approach to Chemical Bonding 101
• 4.2 Ionic or Electrovalent Bond 106
• 4.3 Bond Parameters 107
• 4.4 The Valence Shell Electron Pair Repulsion (VSEPR) Theory 112
• 4.5 Valence Bond Theory 117
• 4.6 Hybridisation 120
• 4.7 Molecular Orbital Theory 125
• 4.8 Bonding in Some Homonuclear Diatomic Molecules 129
• 4.9 Hydrogen Bonding

• C H A P T E R-5
  Unit 5 States of Matter
• 5.1 Intermolecular Forces 137
• 5.2 Thermal Energy 139
• 5.3 Intermolecular Forces vs Thermal Interactions 139
• 5.4 The Gaseous State 139
• 5.5 The Gas Laws 140
• 5.6 Ideal Gas Equation 145
• 5.7 Kinetic Energy and Molecular Speeds 147
• 5.8 Kinetic Molecular Theory of Gases 149
• 5.9 Behaviour of Real Gases: Deviation from Ideal Gas Behaviour 150
• 5.10 Liquefaction of Gases 152
• 5.11 Liquid State

• C H A P T E R-6
  Unit 6 Thermodynamics
• 6.1 Thermodynamic Terms 161
• 6.2 Applications 164
• 6.3 Measurement of DU and DH: Calorimetry 169
• 6.4 Enthalpy Change, D
• rH of a Reaction – Reaction Enthalpy 171
• 6.5 Enthalpies for Different Types of Reactions 176
• 6.6 Spontaneity 181
• 6.7 Gibbs Energy Change and Equilibrium 186

• C H A P T E R-7
  Unit 7 Equilibrium
  
• 7.1 Equilibrium in Physical Processes 193
• 7.2 Equilibrium in Chemical Processes – Dynamic Equilibrium 196
• 7.3 Law of Chemical Equilibrium and Equilibrium Constant 198
• 7.4 Homogeneous Equilibria 201
• 7.5 Heterogeneous Equilibria 203
• 7.6 Applications of Equilibrium Constants 205
• 7.7 Relationship between Equilibrium Constant K, 208
• Reaction Quotient Q and Gibbs Energy G
• 7.8 Factors Affecting Equilibria 208
• 7.9 Ionic Equilibrium in Solution 212
• 7.10 Acids, Bases and Salts 213
• 7.11 Ionization of Acids and Bases 216
• 7.12 Buffer Solutions 226
• 7.13 Solubility Equilibria of Sparingly Soluble Salts 228

Appendices 239
Answer to some Selected Questions 253
Index 259

CHAPTER 1       DOWNLOAD

CHAPTER 2       DOWNLOAD

CHAPTER 3      DOWNLOAD

CHAPTER 4      DOWNLOAD

CHAPTER 5      DOWNLOAD

CHAPTER 6      DOWNLOAD

CHAPTER 7      DOWNLOAD

CHAPTER 8      DOWNLOAD

ANSWERS        DOWNLOAD

APPENDIX       DOWNLOAD

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