2 A g + ( a q ) + C u ( s ) ⇌ C u 2 + ( a q ) + 2 A g ( s ) The standard potential E ° for this reaction is 0.46 V. Which change will increase the potential the most?

Question

2 A g + ( a q ) + C u ( s ) ⇌ C u 2 + ( a q ) + 2 A g ( s ) The standard potential E ° for this reaction is 0.46 V. Which change will increase the potential the most?, Doubling the [ A g + ], Halving the [ C u 2 + ], Doubling the size of the Cu(s) electrode, Decreasing the size of the Ag electrode by one-half

MARKS App · Accepted Answer

E = E ° - 0.059 2 l o g [ C u 2 + ] [ A g + ] 2 The cell potential will increase the most by doubling the concentration of A g + ion.

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