Hydrogen Class 11 Notes Chemistry Introduction In this chapter we will study the preparation, properties of dihydrogen and of some important compounds formed by hydrogen like H2O and H2O2. Hydrogen is the first element of the periodic table. The atomic structure
Read MoreRedox Reactions Class 11 Notes Chemistry Introduction Redox reaction is related to gain or loss of electrons. Reaction in which oxidation and reduction takes place simultaneously is called redox reaction. This chapter deals with problems based on redox reactions, oxidation number and
Read MoreClass 11 Chemistry Revision Notes for Equilibrium of Chapter 7 • Chemical EquilibriumIn a chemical reaction chemical equilibrium is defined as the state at which there is no further change in concentration of reactants and products.For example,At equilibrium the rate
Read MoreClass 11 Chemistry Revision Notes for Thermodynamics of Chapter 6 • Important Terms and DefinitionsSystem: Refers to the portion of universe which is under observation.Surroundings: Everything else in the universe except system is called surroundings. The Universe = The System + The
Read MoreClass 11 Chemistry Revision Notes for States of Matter of Chapter 5 Intermolecular ForcesIntermolecular forces are the forces of attraction and repulsion between interacting particleshave permanent dipole moments. This interaction is stronger than the London forces but is weaker than
Read MoreClass 11 Chemistry Revision Notes for Chemical Bonding and Molecular Structure of Chapter 4 • Chemical BondThe force that holds different atoms in a molecule is called chemical bond.• Octet RuleAtoms of different elements take part in chemical combination in
Read MoreIntroduction Why Do We Need Classification? Elements are the basic units of all types of matter. At present, 118 elements are known. With such a large number of elements, it is very difficult to study individually the chemistry of all
Read MoreClass 11 Chemistry Revision Notes for Structure of Atom of Chapter 2 • Discovery of Electron—Discharge Tube ExperimentIn 1879, William Crooks studied the conduction of electricity through gases at low pressure. He performed the experiment in a discharge tube which
Read MoreClass 11 Chemistry Revision Notes for Some Basic Concepts of Chemistry of Chapter 1 • Importance of ChemistryChemistry has a direct impact on our life and has wide range of applications in different fields. These are given below:(A) In Agriculture
Read MoreWaves Notes Class 11 Physics Class XI: Physics Waves Key Learning: 1. Waves carry energy from one place to another. 2. The amplitude is the magnitude of the maximum displacement of the elements from their equilibrium positions as the wave passes
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