Chemistry Class XI Notes ( NEET/AIIMS) : Free Download

Chemistry Class XI Notes ( NEET/AIIMS) : Free Download

Download Chemistry Class 11 notes for free

1. Some Basic concepts of chemistry

Some Basic Concepts of Chemistry will cover points, for example, Importance of Chemistry, Nature of Matter, States of Matter, Classification of Matter, Properties of Matter and their Measurement, Physical and substance properties, Measurement of physical properties, The International System of units. Mass and weight, volume, Density, Temperature, Uncertainty in measurement, Scientific Notation, Significant Figures, Dimensional Analysis, Laws of Chemical Combination, Law of preservation of mass, Law of Definite extent, Law of different extent, Gay Lussac’s law of vaporous, Volumes, Avogadro Law, Dalton’s Atomic Theory, Atomic and Molecular mass, Atomic Mass, Average Atomic Mass, Molecular Mass, Formula Mass, Mole Concept and Molar Masses, Percentage Composition, Empirical Formula for Molecular Formula, Stoichiometry and Stoichiometric Calculations, Limiting Reagent and Reactions in Solutions.

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2. Atomic Structure

In this Chapter you will learn about atomic number, isotopes and isobars. Concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbital, quantum numbers, shapes of s,p and d orbitals, rules for filling electrons in orbitals- Aufbau principle, Pauli exclusion principles and Hund’s rule, electronic configuration of atoms, stability of half filled and completely filled orbitals.

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3. Classification and Periodicity of Elements

In this chapter, you will learn trends in Periodic elements. History of the periodic table. And Important trends.

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4. Chemical Bonding

In this chapter you will learn valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, valence bond theory, resonance, geometry of molecules, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only). Hydrogen bond.

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5. Behaviour Of Gases

In this Chapter you will learn about how gas behave, characteristics of gases, three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws of elucidating the concept of the molecule, Boyle’s law, Charle’s law, Gay Lussac’s law, Avogadro’s law, ideal behaviour of gases, empirical derivation of gas equation. Avogadro number, ideal gas equation. Kinetic energy and molecular speeds (elementary idea), deviation from ideal behaviour, liquefaction of gases, critical temperature. Liquid State- Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).

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6. Thermodynamics

In this chapter you will learn first law of thermodynamics-internal energy and enthalpy, heat capacity and specific heat, measurement of U and H, Hess’s law of constant heat summation, enthalpy of : bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Introduction of entropy as state function, Second law of thermodynamics, Gibbs energy change for a spontaneous and non-spontaneous process, criteria for equilibrium and spontaneity. Third law of thermodynamics- Brief introduction.

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7. Physical and Chemical Equilibrium

In this chapter you will learn equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of chemical equilibrium, equilibrium constant, factors affecting equilibrium-Le Chatelier’s principle; ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of polybasic acids, acid strength, concept of PH., Hydrolysis of salts (elementary idea), buffer solutions, Henderson equation, solubility product, common ion effect (with illustrative examples).

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8. Redox Reactions

In this chapter you will learn the classical idea of redox reaction-oxidation and reduction reaction, Redox reaction in terms of electron transfer reaction, Oxidation number, Redox reaction and electrode processes, balancing redox reactions in terms of loss and gain of electron and change in oxidation numbers.

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9. Hydrogen

In this chapter you will learn about hydrogen and its occurrence with some important reactions. Temporary and permanent hardness of water hydrogen peroxide and its uses. Hydrogen economy etc

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10. S – Block Elements

In this chapter you will learn group I and group 2 elements: General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens; uses. Preparation and Properties of Some important Compounds: Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogen carbonate, biological importance of sodium and potassium. Industrial use of lime and limestone, biological importance of Mg and Ca.

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11. P – Block Elements

In this chapter you will learn General Introduction & Trends to p-Block Elements.

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12. Organic Chemistry some basic principle and techniques

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13. Hydrocarbon

In this chapter you will learn, Occurance of Hydrogen and its isotopes. Hydrogen reactions. Properties of hydrogen peroxide. Temporary and permanent hardness of water. Hydrogen Economy etc.

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14. Environmental Chemistry

In this chapter you will learn, Air, Water and Soil Pollution, chemical Reactions in Atmosphere-smog, acid rain, ozone and Its Reactions, Green house effects and Global warming. Strategies to control Environmental Pollution.

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