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Questions and Answers
Which of the following statements about strong electrolytes is true?
Which of the following statements about strong electrolytes is true?
- They always produce equal amounts of cations and anions.
- They only partially ionize in solution.
- They ionize completely in solution. (correct)
- They can exist in non-ionic form in solution.
What distinguishes weak electrolytes from strong electrolytes in aqueous solutions?
What distinguishes weak electrolytes from strong electrolytes in aqueous solutions?
- Weak electrolytes mostly exist in non-ionic form in solution. (correct)
- Weak electrolytes are stronger acids and bases than strong electrolytes.
- Weak electrolytes ionize completely while strong ones partially ionize.
- Weak electrolytes can conduct electricity better than strong electrolytes.
Given an example of a strong acid, which of the following is a common strong electrolyte?
Given an example of a strong acid, which of the following is a common strong electrolyte?
- Acetic acid (CH₃COOH)
- Ammonia (NH₃)
- Nitric acid (HNO₃) (correct)
- Formic acid (HCOOH)
Which of the following substances can be classified as a strong base?
Which of the following substances can be classified as a strong base?
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Study Notes
Acids and Bases as Electrolytes
- Acids and bases are electrolytes, meaning they form ions in solution.
- Strong electrolytes ionize completely in solution.
- Examples of strong acids include HCl, HNO₃
- Examples of strong bases include NaOH, KOH
- Weak electrolytes ionize partially in solution, meaning they mostly exist in a non-ionic form.
- Examples of weak acids include HCOOH, CH₃COOH
- Examples of weak bases include NH₃
- Strong acids dissociate completely to produce H+ ions in solution, while strong bases dissociate completely to produce OH- ions in solution.
- Weak acids and bases only partially dissociate in solution, resulting in an equilibrium between the ionized and non-ionized forms.
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