Acids and Bases Quiz

  • Define acid and base according to the Arrhenius concept. Give an example for your answer.
  • Define the term conjugate acid-base pair.
  • Define amphiprotic species.
  • Define an acid and a base according to the Brønsted–Lowry concept. Give an acid–base equation and identify each species as an acid or a base.
  • What is meant by the conjugate acid of a base?
  • Write an equation in which H2PO3 acts as an acid and another in which it acts as a base.
  • Define an acid and a base according to the Lewis concept. Give a chemical equation to illustrate.
  • Explain why an acid–base reaction favors the weaker acid.
  • Give two important factors that determine the strength of an acid. How does an increase in each factor affect the acid strength?
  • Define autoionization. Write the expression for Kw. What is its value at 25˚C?
  • What is meant by the pH of a solution? Describe two ways of measuring pH.
  • Which is more acidic, a solution having a pH of 4 or one having a pH of 5?
  • Identify the relationship between the strength of an acid and that of its conjugate base.
  • Identify the rules for determining the relative strengths of oxoacids.
  • Identify the relative acid strengths of a polyprotic acid and its anions.