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← ScienceWhich effect results when a high voltage gradient occurs between electrodes immersed in ionic solution?
A)Electrochemical migration concentrates ionic species✓
B)Brownian motion accelerates particle diffusion
C)Thermal expansion induces convective cycling
D)Viscosity reduces electrolyte diffusion rates
💡 Explanation
Electrochemical migration concentrates ions toward the electrode of opposite charge. Migration occurs because charged ions move under the electrical force, accelerating transport, therefore ions concentrate at electrodes rather than being dispersed by diffusion at lower gradients.
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