⭐What is Debye Falkenhagen effect?⭐
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Explanation:
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Answer -:
.Coulomb interactions produce spatial correlations between ions in solution. Debye-Falkenhagen (DF) suggested in 1929 that translational motion of any ion requires neighboring ions to readjust their relative positions. The readjustment process is time-dependent, and leads to a frequency-dependent conductivity, σ(ω), and dielectric constant, ϵ(ω). Falkenhagen generated theoretical graphs showing a frequency dispersion of normalized conductance. Corresponding experimental data have never been reported. The present article considers the DF effect from an experimental standpoint. It is found that the predicted effect is extremely small in dilute electrolyte solutions. Impedance measurements on the water-p-dioxane and the methanol-toluene systems confirm this prediction. Both systems exhibit impedance dispersions entirely characterized by bulk dielectric constant and bulk conductance.
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Answer:
The increase in the conductivity of an electrolyte solution when the applied voltage has a very high frequency is known as Debye–Falkenhagen effect. Impedance measurements on water-p-dioxane and the methanol-toluene systems have confirmed Falkenhagen's predictions made in 1929.