A solution contains some or all of the ions Cu2+, A3+, K*, Ca²+, Ba²+, Pb²+, and NH4*. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H2S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH3 produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
A solution contains some or all of the ions Cu2+, A3+, K*, Ca²+, Ba²+, Pb²+, and NH4*. The following tests were performed, in order, on the solution. 1. Addition of 6 M HCl produced no reaction. 2. Addition of H2S with 0.2 M HCl produced a black solid. 3. Addition of (NH4)2S produced a white solid. 4. Addition of (NH4)2HPO4 in NH3 produced no reaction. 5. The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
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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![### Ion Detection Analysis
A solution contains some or all of the ions: Cu²⁺, Al³⁺, K⁺, Ca²⁺, Ba²⁺, Pb²⁺, and NH₄⁺. The following tests were performed, in order, on the solution:
1. **Addition of 6 M HCl:**
- Result: No reaction.
2. **Addition of H₂S with 0.2 M HCl:**
- Result: Produced a black solid.
3. **Addition of (NH₄)₂S:**
- Result: Produced a white solid.
4. **Addition of (NH₄)₂HPO₄ in NH₃:**
- Result: No reaction.
5. **Final Supernatant when Heated:**
- Result: Produced a purple flame.
#### Objective:
Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
**Instructions:**
Drag the appropriate items to their respective bins labeled "Present," "Absent," and "Inconclusive."
**Ions List:**
- Al³⁺
- Cu²⁺
- Ca²⁺
- Pb²⁺
- NH₄⁺
- Ba²⁺
- K⁺
**Drag Options:**
- Present
- Absent
- Inconclusive
**Additional Resources:**
- [View Available Hint(s)] to assist with ion identification.
**Interface Buttons:**
- Reset
- Help](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8bccc44d-7782-46f2-838e-c140c2dedd7b%2F7561de75-34fc-4360-bffb-d2e03dc30fb0%2Fd10irb6_processed.png&w=3840&q=75)
Transcribed Image Text:### Ion Detection Analysis
A solution contains some or all of the ions: Cu²⁺, Al³⁺, K⁺, Ca²⁺, Ba²⁺, Pb²⁺, and NH₄⁺. The following tests were performed, in order, on the solution:
1. **Addition of 6 M HCl:**
- Result: No reaction.
2. **Addition of H₂S with 0.2 M HCl:**
- Result: Produced a black solid.
3. **Addition of (NH₄)₂S:**
- Result: Produced a white solid.
4. **Addition of (NH₄)₂HPO₄ in NH₃:**
- Result: No reaction.
5. **Final Supernatant when Heated:**
- Result: Produced a purple flame.
#### Objective:
Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
**Instructions:**
Drag the appropriate items to their respective bins labeled "Present," "Absent," and "Inconclusive."
**Ions List:**
- Al³⁺
- Cu²⁺
- Ca²⁺
- Pb²⁺
- NH₄⁺
- Ba²⁺
- K⁺
**Drag Options:**
- Present
- Absent
- Inconclusive
**Additional Resources:**
- [View Available Hint(s)] to assist with ion identification.
**Interface Buttons:**
- Reset
- Help
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