Question

Arrhenius concept of acids and bases.​

Answer 1

According to the Arrhenius theory, a substance which produces hydrogen ion in water, called acid.

A substance which produces hydroxide ion in water, called base.

According to Bronsted-Lowry theory, an acid is proton donor and base is proton acceptor.

By observing both concepts, water is acting as a base.

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Answer 2

Arrhenius definition for:

Acid: Acid are those substances which release $\bold{H}^{+}$ ions when dissolved in water.

Base: Bases are those substances which release $\bold{OH}^{-}$ ions when dissolved in water.

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