ElectrochemistryHard

Question

The cell potential for the voltaic cell depicted below is 0.109V under standard conditions ;
          Pb(s)|  Pb2+(aq.)||Ni2+(aq.)|Ni(s)
which change will decrease the voltage -

Options

A.The 1 M Ni2+ solution is diluted with water
B.A larger Ni electrode is used
C.Cl- ions is added to precipitate PbCl2(s)
D.2M Pb2+ solution is added to lead half cell.

Solution

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