You will be completing the extraction of caffeine with dichloromethane and water. In which solvent will the caffeine be found after the layers are mixed, and is this the top or bottom layer? A. Dichloromethane - top layer B. Dichloromethane - bottom layer C. Water - top layer D. Water - bottom layer

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Q: 4. What is the purpose of the methanol and acetone washes?

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Q: Which of these could not be used in an extraction with water? Explain why you chose these…

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Q: Describe how an emulsion could break down in case it forms in an acid-base extraction or in general.

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Q: II. INTERPRETATION OF RESULTS 1. 2,4-DNPH 2. Sodium Bisulfite Test 3. Schiff's Test

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