1.

Calculate the electrode potential at \[{{298}^{o}}K\] for \[Zn|Z{{n}^{++}}\]electrode in which the activity of zinc ions is 0.001 M and \[{{E}^{o}}_{Zn/Z{{n}^{++}}}\]is ?0.74 volts            [AMU 2002]

A.                 0. 38 volts           
B.                 0.83 volts
C.                 0.40 volts            
D.                 0.45 volts
Answer» C.                 0.40 volts            


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