An Arrhenius base is best defined as a. An Arrhenius base is best defined as a b. hydroxide acceptor. c. proton donor. d. substance that dissociates in water to produce aqueous hydrogen ions.

produce hydroxide ions

Explanation:

Arrhenius acids are substances which dissociate in water to give hydrogen ions.

For example:   is an Arrhenius acid.

Arrhenius bases are substances which dissociate in water to give hydroxide ions.

For example: is an Arrhenius base.

An Arrhenius base is best defined as produce hydroxide ions