Foundation
Chemistry Foundation
Theories of Acids and Bases
Question

Ionic theory of acid and bases was proposed by :

Lowry

Lewis

Bronsted 

Arrhenius

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Solution

The ionic theory of acids and bases, which defines acids as substances that dissociate in water to produce H⁺ ions and bases as substances that dissociate to produce OH⁻ ions, was proposed by Svante Arrhenius in 1887. This was a foundational concept that explained the conductive properties of their aqueous solutions.

Final Answer: Arrhenius