Develop a flow chart to show how you can separate the following two compounds using acid-base extraction (like the flow chart we used for this experiment, except you are only showing how to separate two compounds instead of three).
Develop a flow chart to show how you can separate the following two compounds using acid-base extraction (like the flow chart we used for this experiment, except you are only showing how to separate two compounds instead of three).
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:**Task:**
Develop a flow chart to show how to separate the following two compounds using acid-base extraction. The process should be similar to the experiment previously conducted, but focused on separating two compounds instead of three.
**Compounds:**
1. Compound 1: Contains an alcohol and ketone functional group.
2. Compound 2: A cyclic ketone with an ethyl group.
**Flow Chart Explanation:**
1. **Initial Mixture**:
- Begin with a mixture of the two compounds in an organic solvent (e.g., diethyl ether).
2. **Acid-Base Reaction Setup**:
- Add a dilute aqueous acid (e.g., HCl).
- Separate aqueous and organic layers.
3. **Separation of Compounds**:
- **Aqueous Layer (contains protonated alcohol)**:
- The alcohol group in Compound 1 reacts with the acid, making it water-soluble.
- **Organic Layer (contains unreacted cyclic ketone)**:
- Compound 2 remains in the organic layer due to lack of reaction with the acid.
4. **Recovery of Compounds**:
- **Recover Compound 1**:
- Isolate the aqueous layer and neutralize with a base (e.g., NaOH).
- Extract the free alcohol back into a fresh organic solvent.
- **Recover Compound 2**:
- Evaporate the original organic layer to obtain the cyclic ketone.
5. **Purification**:
- Further purify each compound using techniques like distillation or recrystallization if necessary.
This flow chart process effectively separates the two compounds by exploiting their differences in solubility under acid-base conditions.
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