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Electrodialysis is based on the fact that the ions present in saline water migrate towards their respective electrodes under the influence of applied ___________

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Electrodialysis is based on the fact that the ions present in saline water migrate towards their respective electrodes under the influence of applied ___________

(a) Current

(b) Resistance

(c) Conductance

(d) EMF

The question was posed to me in exam.

This is a very interesting question from Desalination of Brackish Water in section Water and its Treatment of Engineering Chemistry II

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Right answer is (d) EMF

Explanation: Electrodialysis is based on the fact that the ions present in saline water migrate towards their respective electrodes under the influence of applied emf. The potential difference generated between the elctrodes is the main cause of flow of electrons.

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