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← ScienceWhich outcome prevails when high currents electrolyze water?
A)Increased overpotential slows gas evolution✓
B)Faradaic efficiency approaches theoretical limits
C)Electrode surface area becomes insignificant
D)Bubble formation transitions into laminar flow
💡 Explanation
Increased overpotential dominates at high currents because the activation energy barrier effectively slows down electron transfer via electrochemical kinetics, therefore gas evolution lags, rather than matching the theoretical Faradaic efficiency under ideal condition.
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