The following are representations of acid-base reactions: a....

The following are representations of acid-base reactions:
a. Label each of the species in both equations as an acid or a base and explain your answers.
b. For those species that are acids, which labels apply: Arrhenius acid, Brönsted-Lowry acid, Lewis acid? What about the bases?

Key Concepts

Arrhenius Acid-Base Concept

This concept defines acids as substances that produce H? ions when dissolved in water, and bases as those that produce OH? ions in solution. It is most applicable to reactions in aqueous media and provides a simple way to identify acid-base behavior based on ion generation in water.

Brønsted-Lowry Acid-Base Theory

The Brønsted-Lowry definition broadens the scope of acid-base reactions by characterizing acids as proton donors and bases as proton acceptors. This concept applies to a wider range of reactions, including those that do not occur in aqueous solutions, and emphasizes the transfer of protons during the reaction.

Lewis Acid-Base Theory

Under the Lewis theory, an acid is considered to be an electron pair acceptor, while a base is an electron pair donor. This approach further extends the definition of acids and bases beyond proton transfer reactions to include a variety of chemical interactions where electron pair movement is key.

Acid-Base Reaction Representation

Representing acid-base reactions involves identifying and labeling species as acids or bases depending on the context of the definitions being used. In these representations, the same species may qualify under multiple acid-base theories, highlighting the fundamental interactions such as proton transfer or electron pair exchange during the reaction process.

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