Lewis acids and bases are most closely associated with which process? a)  proton transferb)  electron transferc)  the formation of aqueous ionsd)  the formation of a conjugate acid or base

B) Electron transfer

Explanation:

According to Arrhenius concept, a base is defined as a substance which donates hydroxide ions when dissolved in water and an acid is defined as a substance which donates hydronium ions in water.

According to the Bronsted Lowry conjugate acid-base theory, an acid is defined as a substance which donates protons and a base is defined as a substance which accepts protons.

According to the Lewis concept, an acid is defined as a substance that accepts electron pairs and base is defined as a substance which donates electron pairs.

Thus Lewis acids and bases are most closely associated with the process of Electron transfer.