Answer:
No! If a substance is an Arrhenius Base, is it not necessarily a Bronsted Lowery Acid.
Explanation:
Arrhenius Base produces Hydroxyl Ions [OH⁻] when dissolved in water. While, Bronsted Lowery Acid is any specie which donates proton (H⁺).
Example:
HCl + H₂O → Cl⁻ + H₃O⁺
In this reaction HCl is a Bronsted Lowery Acid. And HCl can never produce OH⁻ ions. Hence the statement is incorrect.
NaOH + H₂O → Na⁺ ₍aq₎ + OH⁻ ₍aq₎
In this reaction NaOH is ionized in water and produces OH⁻ Ions hence acting as a Arrhenius Base. And NaOH can never donate H⁺ ion so it can not act as a Bronsted Lowery Acid.
