| Electrochemical Cells |
Electrochemical Cells |
| Galvanic Cells |
Galvanic Cells |
| Nernst Equation |
Nernst equation at 298 K for single electrode potential and cell potential, numerical problems to
calculate half-cell and cell potentials (only for metal electrodes). Relationship between equilibrium constant and , numerical problems. Relationship between standard Gibbs energy and ,numerical problems. |
| Conductance of Electrolytic Solutions |
Variation of conductivity and molar conductivity with concentration, graph for variation of m vs c for strong and weak electrolytes, limiting molar conductivities. Kohlrausch law and applications, numerical problems on calculation for weak electrolytes. |
| Electrolytic Cells and Electrolysis |
Electrolysis –Faraday’s laws of electrolysis (elementary idea), concept of nF required to discharge one mole of Mn+ ions, numerical problems on I law. |
| Batteries |
Types-difference, examples, Leclanche cell (dry cell) and Lead acid battery–anode, cathode, electrolyte, reactions at anode and cathode. |
| Fuel Cells |
Definition – examples, H2-O2 fuel cell – schematic diagram, anode, cathode, electrolyte, reactions at anode and cathode. |
| Corrosion |
Rusting of iron- anodic, cathodic reactions, composition of rust, methods of prevention. |
