Class 11 Chemistry Revision Notes
Some Basic Concepts of Chemistry Notes
Some Basic Concepts of Chemistry — Notes Laws of chemical combination Law of conservation of mass , law of constant proportions , law of multiple proportions and Gay Lussac's law…
Structure of Atom Notes
Structure of Atom — Notes Sub atomic particles and early models The atom has protons, neutrons (nucleus) and electrons . Thomson, Rutherford and Bohr proposed models; Bohr introdu…
Classification of Elements and Periodicity Notes
Classification of Elements and Periodicity — Notes The periodic law The modern periodic law: properties of elements are a periodic function of their atomic number . The periodic t…
Chemical Bonding and Molecular Structure Notes
Chemical Bonding and Molecular Structure — Notes Types of bonds Ionic bond: transfer of electrons (metal + non metal); high melting point. Covalent bond: sharing of electrons; sho…
Thermodynamics Notes
Thermodynamics — Notes Basic terms A system is the part under study; the rest is the surroundings . Internal energy (U) and enthalpy (H = U + PV) are state functions. Laws and ent…
Equilibrium Notes
Equilibrium — Notes Chemical equilibrium A dynamic equilibrium is reached when the rates of the forward and backward reactions are equal. It is described by the equilibrium consta…
Redox Reactions Notes
Redox Reactions — Notes Oxidation and reduction Oxidation: loss of electrons (increase in oxidation number). Reduction: gain of electrons (decrease in oxidation number). They alwa…
Organic Chemistry – Basic Principles Notes
Organic Chemistry – Basic Principles — Notes Tetravalency and representation Carbon is tetravalent and forms chains and rings. Structures are shown by complete, condensed and bond…
Hydrocarbons Notes
Hydrocarbons — Notes Classification Alkanes (saturated, single bonds) — undergo substitution; relatively unreactive. Alkenes (one double bond) and alkynes (one triple bond) — unde…