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Which consequence results when exceeding the limiting current in an electrolytic process?

A)Increased electrode polarization is observed
B)Electrode surface area unexpectedly decreases
C)Solvent breakdown occurs unexpectedly
D)Mass transport increases unexpectedly

💡 Explanation

Solvent breakdown begins because exceeding the limiting current results in a drastically reduced ion concentration at the electrode surface. This change causes the electrode potential to shift to a value where the solvent electrolysis occurs, rather than metal deposition. Therefore, option C is correct; other options involve the metal ions directly.

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