The relationship between the values of cell potential of euation1 and 2 and the cell potential of equation 3 is that the cell potential of equation-1 (0.77volts) is greater than the cell potential of the equation-3 (-0.04volts) which is greater than the cell potential of equation-2 (-0.44volts) .
Hence ,cell potential 1 > cell potential 3> cell potential 2 .
What is cell potential ?
It may be defined as the force which causes the flow of electrons from one electrode to the other and ,thus results in the flow of current .
It also may be defined as the difference between the electrode potential two half-cells .
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