electrodes, the concentration of the electrolytes and the temperature at which the cell is operated. For example At, C , The emf of the below mentioned Daniel cell is . Volts Zn (s) Zn (aq,1M) Cu (aq,1M) Cu s + + ( ) E = . V XII U9 Electro XII U9 Electro - - - - .
. Measurement of electrode potential The overall redox reaction can be considered as the sum of two half reactions i.e., oxidation and reduction. Similarly, the emf of a cell can be considered as the sum of the electrode potentials at the cathode and anode, E = E + E cell ox anode red cathode