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Which of the following is a characteristic of a weak acid?

Practice Questions

Q1
Which of the following is a characteristic of a weak acid?
  1. Completely dissociates in solution
  2. Has a high pKa value
  3. Produces a strong electrolyte
  4. Has a low pH

Questions & Step-by-Step Solutions

Which of the following is a characteristic of a weak acid?
  • Step 1: Understand what an acid is. An acid is a substance that can donate protons (H+ ions) in a solution.
  • Step 2: Learn about strong and weak acids. Strong acids completely dissociate in water, meaning they break apart into ions fully. Weak acids do not.
  • Step 3: Know what pKa means. pKa is a measure of how easily an acid donates protons. A higher pKa value means the acid is weaker.
  • Step 4: Identify the characteristic of weak acids. Weak acids have a high pKa value because they do not fully dissociate in solution.
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