Chemistry

Advantages of the Bronsted – Lowry theory: In 1923, J. N. Bronsted and J. M. Bjerrum in Denmark and T. M. Lowry in England independently…

Acids and Bases: the Arrhenius concept The uses of acids and bases were known since time immemorial, although a concise definition was not given until…

The Polarograph The potential at which the deposition of metal ions on the cathode starts is known as the deposition potential or discharge potential. The…

Overvoltage The cell reaction can be reversed when we apply the opposing emf. Usually the opposing voltage required to reverse the cell reaction is much…

Polarization During the electrolysis process, the product of the electrolysis on reaching the electrodes set up an emf opposite to the applies emf. The phenomenon…

Fuel Cell At present fossil fuel is the primary source of energy to meet our requirements. But the conversion of fossil fuel either to electrical…

Leclanche’s dry cell is used as flash light battery and in the operation of transistorized equipments. In these cells a carbon rod acting as an…

Lead storage cell is a kind of Galvanic cell which is extensively used as portable sources of electrical energy in automobiles, diesel generators etc. It…

Liquid Junction Potential: Salt Bridge If in a cell two electrolytic solutions or two solutions of the same electrolyte but of different concentrations, are in…

Types of Galvanic Cell In a typical electrochemical cell the cell potential is a direct consequence of the net chemical reaction. There may be another…