Question

The standard emf o a cell involving one electron change is found to be 0.591 V at 25℃. The equilibrium constant of the reaction is (F = 96500 C mol-1; R = 8.314 JK-1 mol-1):

1 point

1.0 × 10^10

1.0 × 10^5

1.0 × 10^1

1.0 × 10^30

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Answer 1

Answer:

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Answer 2

Nerst equation = $E = E° - \frac{0.059}{1} log( k_{eq} )$

Now, at equilibrium E = 0.

=> - E° = $- \frac{0.059}{1} log( k_{eq} ) \:$

=> 0.591 = $\frac{0.059}{1} log( k_{eq} ) \:$

=> 10 = $log(k_{eq})$

=> Keq = ${10}^{10}$