Acid Base Equilibrium Quiz

Struggling with acid-base equilibrium? Our quiz consists of multiple-choice questions designed to test your knowledge and provide correct answers as you go. Perfect for grade 11 and 12 chemistry.

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1. Which of the following is a strong acid?

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2. A substance that donates a proton is a/an:

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3. Which of the following is a conjugate base of H₂O?

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4. The pH of a neutral solution at 25°C is:

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5. Which of the following represents the autoionization of water?

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6. The pOH of a solution with [OH⁻] = 1 x 10⁻⁵ M is:

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7. If the pH of a solution is 4, the pOH is:

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8. The equilibrium constant for the ionization of water (Kw) at 25°C is:

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9. A buffer solution resists changes in:

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10. What happens to the pH of a solution when a strong acid is added?

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11. The value of pKw at 25°C is:

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12. Which of the following is an example of a polyprotic acid?

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13. The Ka value for a weak acid is:

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14. If the Kb of a base is large, it indicates that the base is:

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15. What is the relationship between Ka and Kb for a conjugate acid-base pair?

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16. A titration is used to determine the:

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17. What is the effect of adding a common ion to a weak acid solution?

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The topics included in this quiz are listed below:

  • Definitions (Arrhenius, Brønsted-Lowry)
  • Strong and Weak Acids/Bases
  • Conjugate Acid-Base Pairs
  • pH and pOH
  • Acidic, Basic, and Neutral Solutions
  • Autoionization of Water
  • Equilibrium Constant for Water (Kw)
  • Buffers
  • Ka and Kb
  • pKa and pKb
  • Polyprotic Acids
  • Amphoteric Substances
  • Titration
  • Common Ion Effect