Chemistry Questions

Short Answer Questions

  1. Write the equation for the self-ionization of water.
  2. Define and give examples of Arrhenius acids.
  3. Why HCl act as strong acid?
  4. Why NH3 acts as Bronsted-Lowry base?
  5. Why ammonia acts as a weak base?
  6. Ammonium hydroxide and nitric acid react and produce ammonium nitrate and water. Write balanced chemical equation for this neutralization reaction.
  7. Sulphuric acid + Magnesium hydroxide → magnesium sulphate + water. Write balanced chemical equation for the following neutralization reactions.
  8. Identify Bronsted-Lowry acids or bases in the following reactions.
    1. HNOHOHO + NO
    2. NH3 + HNO3 → NH4NO3
  9. Give the Bronsted-Lowry definition of an acid. Write an equation that illustrates the definition.
  10. Identify Bronsted acids and Bronsted bases in the following reactions. Classify water as a proton donor or proton acceptor: CH3COOH (aq) + H2O ⇌ CH3COO- (aq) + H3O+
  11. Classify water as proton donor or proton acceptor:
  12. Write equations showing the ionization of the following as Bronsted-Lowry acids.
  13. Write equation showing the ionization of the following as Arrhenius acids.
  14. Compare the relative concentrations of hydrogen ions and hydroxide ions in each kind of solution?
  15. Codein C18H21NO3 is a commonly prescribed pain killer. It dissolves in water by the following reaction
  16. Examine some ways in which you might determine whether a particular water solution contains acid or a base.

Conceptual Questions

  1. Define a Bronsted-Lowry acid.
  2. What are the characteristics properties of alkalis?
  3. How do strong acids differ from weak acids in terms of dissociation?
  4. Write the dissociation of equation for nitric acid (HNO3) in water.
  5. What is the significance of the pH scale about acids and bases?
  6. Describe a common reaction between an acid and a base.
  7. What are some environmental effects of acid rain?
  8. Describe the reaction between an acid and a metal carbonate.
  9. How can the concentration of H+ ions in a solution be measured?
  10. What is the role of a base in a neutralization reaction?
  11. Explain the concept of acid rain.
  12. How does acid rain affect aquatic ecosystems?
  13. What is the role of hydroxide ions in alkalis?
  14. Define a weak base and give an example.
  15. How do strong bases differ from weak bases in terms of dissociation?
  16. What happens when an acid reacts with a metal?