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Q: Describe the procedure of how to collect and dry your newly recrystallized compound.
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Describe how an emulsion could break down in case it forms in an acid-base extraction or in general.
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- Acetone and isopropyl alcohol are generally not suitable for use in extraction, but are frequently used as recrystallization solvents. ExplainDiethyl ether and methylene chloride are generally not suitable for use in recrystallization, but are frequently used as extraction solvents. ExplainWhich of these could not be used in an extraction with water? Explain why you chose these solutions:Acetone, Diethylether, dichloromethane, ethyl aceate, chloroform, ethanol, and hexane
- The method of extraction for Roman chamomile is: Choose one answer. a. cold-press extraction b. steam distillation c. water distillation d. solvent extractionBriefly, discuss reflux and why it is commonly used in organic chemistry.After separating layers in an extraction, it is necessary to “dry” the organic layer with a substance that absorbs water. Explain why this is necessary.
- Some organic solvents do not work well in liquid-liquid aqueous extractions. Ethanol (HOCH2CH3) is a common inexpensive solvent, but is a poor solvent for extractions. In ten or fewer words, provide an explanation for why ethanol is a poor solvent selection for extraction. Hint: you may want to look up various properties of the molecule.What are the criteria for a good recrystallization solvent?Briefly describe on how peptization may occur during washing process of pure compound