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← ScienceWhich consequence occurs when a high-temperature molten salt electrolyte cools?
A)Increased ionic conductivity decreases efficiency
B)Electrolyte solidifies; ionic transport ceases✓
C)Improved electrode wetting promotes corrosion
D)Lower melting point increases current density
💡 Explanation
Solidification occurs because reduction in thermal energy reduces kinetic energy preventing ion mobility; ionic bonding dominates, leading to lattice formation – **crystallization**. Therefore, ionic transport is blocked rather than remaining conductive, because solid structure impedes mobility.
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