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← ScienceWhich consequence results from prolonged dielectric breakdown in a molten salt electrochemical reactor using ionic conductivity?
A)Electrode short-circuiting and uncontrolled current flow✓
B)Reduced ionic mobility due to salt solidification
C)Catalyst poisoning caused by contaminant deposition
D)Elevated cell overpotential leading to kinetic limitations
💡 Explanation
When dielectric breakdown occurs, localized high-voltage gradients lead to insulator puncturing, inducing conductive pathways and direct shorts between electrodes, causing uncontrolled current surges because the molten salt maintains high ionic mobility. Therefore, a short-circuit occurs, rather than solidification, poisoning, or kinetic limits which require separate initiating events.
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