Buffer Solution/unit-7
Buffer Solution: Generally, PH of a solution changes on addition of small amount of acids or bases to it. But … Read more
Class 11
Concept of acid, base and salt/unit-7
Arrhenius Acids and Bases: An acid is a hydrogen containing compound which gives free hydrogen ions when dissolved in water. … Read more
Ionisation/unit-7
Ionic Equilibrium in Solution: The equilibrium between ions and unionised substance is called ionic equilibrium, e.g. CH3COOH + H2O ——> … Read more
Factors Affecting the Equilibrium/7
Factors Affecting the Equilibrium (Le-Chatelier Principle): According to Le-Chatelier principle, if a system at equilibrium is subjected to change in … Read more
Law of Mass Action/7
Law of Mass Action: In an attempt to correlate the rate of a chemical reaction and the concentration of the … Read more
Equilibrium/unit-7
Equilibrium: Most of the chemical reactions when carried out in a closed vessel do not go to completion under given … Read more
Valency of cation & anion/unit-1
Valency of Electropositive Ions/ Cations: Sl. No. Name Symbol Valency 1 Ammonium +NH4 1 2 Aluminium Al+3 3 3 … Read more
Second law of thermodynamics/unit-6
Second Law of Thermodynamics: Second law of thermodynamics states that the entropy of the universe always increases in the course … Read more
Free energy/unit-6
Free energy (G): We have learnt that for a system, it is the total entropy change, ∆S total which helps … Read more
Entropy/unit-6
Entropy: The extent of disorder or randomness in a system may be expressed by a thermodynamic property known as entropy. … Read more