Multiple Choice
Which of the following compounds forms an electrolyte solution when dissolved in water?
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6. Chemical Quantities & Aqueous Reactions
Electrolytes
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Which of the following compounds is a nonelectrolyte when dissolved in water?
A
C6H12O6 (glucose)
B
NaCl (sodium chloride)
C
HCl (hydrochloric acid)
D
KNO3 (potassium nitrate)
Verified step by step guidance1
Understand the definition of an electrolyte: an electrolyte is a substance that dissociates into ions when dissolved in water, allowing the solution to conduct electricity.
Identify the nature of each compound when dissolved in water: NaCl, HCl, and KNO3 are ionic or strong acid compounds that dissociate completely into ions, making their solutions conductive.
Recognize that C6H12O6 (glucose) is a molecular compound that dissolves in water without dissociating into ions, so it does not conduct electricity.
Conclude that since glucose does not produce ions in solution, it behaves as a nonelectrolyte.
Therefore, among the given options, C6H12O6 is the nonelectrolyte because it dissolves without ionizing.
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