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← ScienceWhich outcome results when a high voltage gradient is applied across solid lithium iodide?
A)Ions migrate and deplete at electrodes✓
B)Redox reactions occur at grain boundaries
C)The crystal lattice undergoes phase transition
D)Electrons tunnel through bandgap regions
💡 Explanation
Ion transport leads to ion depletion; because lithium iodide is a solid electrolyte, the applied voltage drives ionic migration via the Grotthuss mechanism, therefore depleting ions near the electrodes, rather than causing redox or phase changes under typical conditions.
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