When dissolved in water, an Arrhenius base yields?

1. When dissolved in water, an Arrhenius base yields?

(1) hydrogen ions

(2) hydronium ions

(3) hydroxide ions

(4) oxide ions

Answer and solution:

There are 3 different definitions of acids and bases. The first definition is by Arrhenis. Arrhenis said that when an acid dissolves in water it yields hydrogen ions (also called hydronium ions). Bases, on the other hand, when dissolved in water, yield hydroxide ions (OH-). Therefore, choice 3 is the correct choice.

Examples of Arrhenius acids are : HCl, HF, HNO3

Examples of Arrhenis bases are: KOH, NaOH

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