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← ScienceWhich risk increases when injecting excess current into an electrochemical cell?
A)Reduced product selectivity occurs✓
B)Increased cell internal resistance results
C)Lowered total system energy efficiency
D)Decreased reaction rate equilibrium established
💡 Explanation
An overpotential is created disrupting the reaction equilibrium, because the increased current changes ion concentrations; selective product formation is dependent on precise potential, therefore, less desirable reactions are favored rather than the intended product formation.
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