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← ScienceWhich consequence arises from suppressing quantum tunnelling in electrochemical reactions?
A)Increased overpotential is then required✓
B)Electrode corrosion rate abruptly decreases
C)Equilibrium rest potential dramatically shifts
D)Catalyst reactivity paradoxically then increases
💡 Explanation
Increased overpotential is needed upon suppressing quantum tunnelling for electron transfer, because suppression necessitates overcoming a higher energy barrier. Therefore the redox reaction slows, rather than corrosion diminishing at similar driving force because now higher applied voltages are needed rather than lower.
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