Arrhenius Theory of Electrolytic Dissociation

Arrhenius theory of electrolytic dissociation

(1) Postulates of Arrhenius theory

(i) In aqueous solution, the molecules of an electrolyte undergo spontaneous dissociation to form positive and negative ions.

(ii)         

(iii)  At moderate concentrations, there exists an equilibrium between the ions and undissociated molecules, such as, ;  ⇌  

This equilibrium state is called ionic equilibrium.

(iv) Each ion behaves osmotically as a molecule.

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