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Which 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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