Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:### Which Aqueous Solution Conducts Electricity?
This multiple-choice question assesses knowledge of the conducting properties of various solutions. The question presented is:
**(5.4) Which aqueous solution conducts electricity?**
There are four options provided:
1. **1.0 M CH₃CH₂OH**
2. **2.0 M C₁₂H₂₂O₁₁**
3. **1.5 M NH₄Cl**
4. **None of these**
### Explanation:
The ability of an aqueous solution to conduct electricity depends on the presence of ions in the solution. Here’s a brief explanation for each option:
- **1.0 M CH₃CH₂OH (Ethanol)**: Ethanol is a covalent compound and does not ionize in water, so it will not conduct electricity.
- **2.0 M C₁₂H₂₂O₁₁ (Sucrose)**: Sucrose (a type of sugar) also does not ionize when dissolved in water, and thus it will not conduct electricity.
- **1.5 M NH₄Cl (Ammonium Chloride)**: When ammonium chloride dissolves in water, it dissociates into ammonium (NH₄⁺) and chloride (Cl⁻) ions, making the solution an electrolyte that can conduct electricity.
Thus, the correct answer is:
- **1.5 M NH₄Cl**
This solution conducts electricity due to the dissociation into ions in water.
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