Textbook Question
Classify the solute represented in each of the following equations as a strong, weak, or nonelectrolyte:a. K₂SO₄(s) →H₂O 2K⁺(aq) + SO₄²⁻(aq)
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7. Chemical Reactions
Electrolytes (Simplified)
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Which of the following compounds is an electrolyte when dissolved in water?
A
C2H5OH (ethanol)
B
C12H22O11 (sucrose)
C
CO2
D
NaCl
Verified step by step guidance1
Understand what an electrolyte is: an electrolyte is a substance that dissociates into ions when dissolved in water, allowing the solution to conduct electricity.
Examine each compound to determine if it dissociates into ions in water:
C2H5OH (ethanol) is a molecular compound that dissolves in water but does not ionize; it remains as neutral molecules.
C12H22O11 (sucrose) is a sugar that dissolves in water but also does not dissociate into ions; it stays as intact molecules.
CO2 dissolves in water to form a weak acid (carbonic acid), but it does not significantly dissociate into ions to conduct electricity effectively.
NaCl is an ionic compound that dissociates completely into Na⁺ and Cl⁻ ions in water, making it a strong electrolyte.
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