Question

What is acid and base according to Arrhenius theory?

Answer 1

According to Arrhenius Theory,

Acid --- A substance that contains H⁺ ions when dissolved in water.

Example -- HCl (aq) ------> H⁺(aq) + Cl⁻(aq)

Base --- A substance that contains OH⁻ ions (hydroxyl group) when dissolved in water.

Example -- NaOH (aq) -------> Na⁺ (aq) + OH⁻ (aq)

Hope This Helps You!

Answer 2

according to Arrhenius theory,
acid:- acids are the substances which dissociate to form H+ ions in water. eg- HCl
base:- bases are substance which dissociate to form OH(minus) ions in water. eg- KOH.