Class 12

Corrosion: When metals are exposed to atmospheric conditions, they react with air or water in the environment to form undesirable … Read more

Cells: The cells are also popularly known as batteries. Therefore, a battery is an arrangement of electrochemical cells used as … Read more

Electrochemical cell and Free energy:       ΔG = Wmax = – nF Ecell In order to compare cell voltage, we … Read more

Equilibrium Constant and Nernst’s Equation: The e.m.f. of the cell maybe used to calculate the equilibrium constant for the cell … Read more

The standard electrode potentials are measured in their standard states when the concentration of the electrolyte solutions are fixed as … Read more

EMF or cell Potential of a cell: The difference between the electrode potentials of the two electrodes constituting an electrochemical … Read more

Kohlrausch’s Law of independent migration of ions: Kohlrausch’s law state that, ‘At infinite dilution when the dissociation is complete, each … Read more

Electrolytic Conductance: The substances which allow the passage of electric current are called conductors. The best conductors are metals such … Read more

Electrochemistry (electrochemical cell, Electrolytic cell, Salt Bridge, Representation of galvanic cell): Electrical energy plays an important role in many chemical … Read more