CLASS 11 IMPORTANT TOPICS : CHEMISTRY - Part 1
IMPORTANT TOPICS : CHEMISTRY
PART 1
Chapter 1 - Some Basic Concepts of Chemistry
- Laws of chemical combination
- Dalton's atomic theory: concept of elements, atoms and molecules.
- Atomic and molecular masses,
- Mole concept and molar mass
- Empirical and molecular formula
Chapter 2 - Structure of Atom
- Bohr's model and its limitations
- Concept of shells and subshells,
- Dual nature of matter and light
- Heisenberg uncertainty principle
- concept of orbitals, quantum numbers, shapes of s, p and d orbitals
- rules for filling electrons in orbitals
- Pauli's exclusion principle , Hund's rule, electronic configuration
Chapter 3 - Classification of Elements and Periodicity in Properties
- Modern periodic law and the present form of periodic table
- Periodic trends due to : atomic radii, ionic radii, inert gas radii , Ionization enthalpy
- Electron gain enthalpy,Electronegativity, valency.
- Nomenclature of Elements
Chapter 4 - Chemical Bonding and Molecular structure
- Valence electrons, ionic bond, covalent bond
- Lewis structure
- Polar character of covalent bond
- Covalent character of ionic bond
- Valence bond theory
- Resonance
- Geometry of covalent molecules
- VSEPR theory
- Concept of hybridization
- Molecular orbital theory
- Hydrogen bond
Chapter 5 - States of Matter: Gases and Liquids
- Intermolecular interactions
- Types of bonding, melting and boiling points
- Boyle's law, Charles law, Gay Lussac's law,Avogadro's law
- Ideal behavior , Ideal gas equation
- Deviation from ideal behaviour
- Liquifaction of gases
- Critical temperature
- Liquid State: vapour pressure, viscosity and surface tension
Chapter 6- Chemical Thermodynamics
- Concepts of System and types of systems,
- 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
- Gibb's energy change for spontaneous and non- spontaneous processes
- Third law of thermodynamics
Chapter 7 - Equilibrium
- Equilibrium in physical and chemical processes
- Equilibrium constant
- Factors affecting equilibrium
- Le Chatelier's principle
- Strong and weak electrolytes
- degree of ionization
- Concept of pH
- Hydrolysis of salts
- Buffer solution
- Solubility product
- Common ion effect
Chapter 8 - 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
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