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Understanding Acid-Base Theories: Summary and Review

Learn about Arrhenius and Brønsted-Lowry theories, identifying acids and bases, dissociation reactions, and conjugate bases in chemistry.

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Understanding Acid-Base Theories: Summary and Review

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  1. Acid-Base Theories Review

  2. Acid-Base Theories Summary H+ producer OH- producer H+ donor H+ acceptor

  3. How did Arrehnius describe acids and bases? • Classify each of the following as an Arrhenius acid or an Arrhenius base. • Ca(OH)2 • HNO3 • H2SO3 • HC2H5O2 • KOH base acid acid acid base

  4. Identify the acids in the previous question as monoprotic, diprotic or triprotic. • Ca(OH)2 • HNO3 • H2SO3 • HC2H5O2 • KOH • Write the equation for the dissociation of KOH. • KOH  K+ + OH- monoprotic diprotic monoprotic

  5. Identify each reactant in the following equation as an acid or a base according to the Brønsted-Lowry Model. • HNO3 + H2O  H3O+ + NO3- • H2O + CH3COO-  CH3COOH + OH- • What does it mean to be amphoteric?

  6. Write equations showing that the hydrogen phosphate ion (HPO42- ) is amphoteric. • Write the formula for the conjugate base of each of the following Brønsted-Lowry Acids. • HCO3- • HI • Why was the Brønsted-Lowry model of acids and bases needed? CO32- I-

  7. The substance NaOH is classified as a base by both Arrhenius and Brønsted-Lowry. Using your knowledge of chemistry explain why NaOH is a base in each of the models. • Using your knowledge of the Brønsted-Lowry Model, complete the following equation: OH- + HPO42- 

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