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Rank the following solutions and compounds from the most conductive to the least conductive. LiCl(s) > NH3(aq) 0.2 M > LiCl(aq) 0.1 M NH3(aq) 0.2 M > LiCl(aq) 0.1 M > LiCl(s) LiCl(s) > LiCl(aq) 0.1 M > NH3(aq) 0.2 M LiCl(aq) 0.1 M > NH3(aq) 0.2 M > LiCl(s)

Rank the following solutions and compounds from the most conductive to the least conductive. LiCl(s) > NH3(aq) 0.2 M > LiCl(aq) 0.1 M NH3(aq) 0.2 M > LiCl(aq) 0.1 M > LiCl(s) LiCl(s) > LiCl(aq) 0.1 M > NH3(aq) 0.2 M LiCl(aq) 0.1 M > NH3(aq) 0.2 M > LiCl(s)

Chemistry
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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### Conductivity Ranking of Solutions and Compounds #### Task: Rank the following solutions and compounds from the most conductive to the least conductive. - **Option 1:** - LiCl(s) \( > \) NH\(_3\)(aq) 0.2 M \( > \) LiCl(aq) 0.1 M - **Option 2:** - NH\(_3\)(aq) 0.2 M \( > \) LiCl(aq) 0.1 M \( > \) LiCl(s) - **Option 3:** - LiCl(s) \( > \) LiCl(aq) 0.1 M \( > \) NH\(_3\)(aq) 0.2 M - **Option 4:** - LiCl(aq) 0.1 M \( > \) NH\(_3\)(aq) 0.2 M \( > \) LiCl(s) #### Explanation: Conductivity is a measure of how well a substance can conduct an electric current. In an aqueous solution, the ions are free to move, which generally makes such solutions good conductors. Solid ionic compounds, on the other hand, typically do not conduct electricity because the ions are not free to move. 1. **Aqueous Solutions:** - **LiCl(aq):** Lithium chloride in aqueous solution dissociates completely into Li\(^+\) and Cl\(^-\) ions, making it a good conductor of electricity. The conductivity of LiCl(aq) would depend on the molarity of the solution. - **NH\(_3\)(aq):** Ammonia in aqueous solution can form NH\(_4^+\) and OH\(^-\) ions, which also contribute to electrical conductivity, but typically it is a weaker electrolyte compared to strong ionic compounds. 2. **Solid Compounds:** - **LiCl(s):** In its solid-state, lithium chloride is generally not conductive because the ions are locked in a lattice structure. Only in molten form or in solution can the ions move freely and conduct electricity effectively. In the given options, the correct rank order from most conductive to least conductive is: **Option 3:** - LiCl(s) (incorrectly listed first, solid should be least conductive, hence discard this option) - **Correct Ordering:** LiCl(aq)
Transcribed Image Text:### Conductivity Ranking of Solutions and Compounds #### Task: Rank the following solutions and compounds from the most conductive to the least conductive. - **Option 1:** - LiCl(s) \( > \) NH\(_3\)(aq) 0.2 M \( > \) LiCl(aq) 0.1 M - **Option 2:** - NH\(_3\)(aq) 0.2 M \( > \) LiCl(aq) 0.1 M \( > \) LiCl(s) - **Option 3:** - LiCl(s) \( > \) LiCl(aq) 0.1 M \( > \) NH\(_3\)(aq) 0.2 M - **Option 4:** - LiCl(aq) 0.1 M \( > \) NH\(_3\)(aq) 0.2 M \( > \) LiCl(s) #### Explanation: Conductivity is a measure of how well a substance can conduct an electric current. In an aqueous solution, the ions are free to move, which generally makes such solutions good conductors. Solid ionic compounds, on the other hand, typically do not conduct electricity because the ions are not free to move. 1. **Aqueous Solutions:** - **LiCl(aq):** Lithium chloride in aqueous solution dissociates completely into Li\(^+\) and Cl\(^-\) ions, making it a good conductor of electricity. The conductivity of LiCl(aq) would depend on the molarity of the solution. - **NH\(_3\)(aq):** Ammonia in aqueous solution can form NH\(_4^+\) and OH\(^-\) ions, which also contribute to electrical conductivity, but typically it is a weaker electrolyte compared to strong ionic compounds. 2. **Solid Compounds:** - **LiCl(s):** In its solid-state, lithium chloride is generally not conductive because the ions are locked in a lattice structure. Only in molten form or in solution can the ions move freely and conduct electricity effectively. In the given options, the correct rank order from most conductive to least conductive is: **Option 3:** - LiCl(s) (incorrectly listed first, solid should be least conductive, hence discard this option) - **Correct Ordering:** LiCl(aq)
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