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A voltaic cell is set up at 25°C with the following half cells.
Al | Al3+ (0.0010 M) and Ni2+ (0.50 M) | Ni
Write the equation for the cell reaction that occurs when the cell generates an electric current and determine the cell potential.

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Since reduction potential of nickel half cell is less negative it will act as reduction half cell.
So cell will be

From Nernst equation at 298 k,

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