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Which conduction results when doping NaCl with magnesium?

A)Increased ionic vacancy mediated transport
B)Enhanced electronic surface state conduction
C)Suppressed polaron hopping conductivity
D)Increased bipolaron formation probability

💡 Explanation

Substitution of Na+ with Mg2+ in NaCl creates cation vacancies to maintain charge neutrality; therefore, *ionic vacancy mediated transport* increases because magnesium doping creates more vacancies by that particular mechanism needed for ionic mobility, rather than electronic effects.

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