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← ScienceWhich outcome reduces the chemical reaction rate in solid-state electrolytes?
A)Ionic conductivity drops significantly✓
B)Electronic conductivity becomes prevalent
C)Grain boundary density increases
D)Electrolyte-electrode interfacial area rises
💡 Explanation
Decreased ionic conductivity slows diffusion because it limits ion mobility through the electrolytic medium via the Nernst-Einstein relation. Therefore the reaction rate declines, rather than accelerates due to interfacial changes or electronic conduction in solid electrolytes.
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