. When you are performing an extraction with diethyl ether and any aqueous solution, the bottom layer in the separatory funnel is the _______ ether (organic) layer aqueous layer
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7. When you are performing an extraction with diethyl ether and any aqueous solution, the bottom layer in the separatory funnel is the _______
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- You are performing an aqueous extraction, and you forget which layer is the organic layer and which is the aqueous layer. What is the best way to solve this problem? a. Add a small amount of sodium sulfate - if it dissolves, the layer is water. b. Remove all the solvents via rotary evaporation and start again. c. Pick the top layer, as this is always the organic layer. d. Smell the two layers to see which one is an organic solvent.1.Device a flow chart that outlines the separations performed in acid-base extraction. Acid- benzoic acid Base- p-nitroaniline Neutral compound - azobenzene 2. Write all chemical reactions that occur in the extraction procedure.Help with filling in the reagents
- 3. Why is necessary to work in the hood when using acetic anhydride?If 80% of a desired compound is extracted into the organic phase in each step (leaving 20% in the aqueous layer), how many extractions are necessary to ensure that at least 99% of the compound has been recovered in the organic phase? 1 extraction 2 extractions 3 extractions 4 extractionsWhy do we add sodium hydroxide to the extracted organic solvent in caffeine extraction procedure? A. to get rid of basic impurities B. to get rid of acidic impurities. C. to get rid of polar impurites. D. to get rid of phenolic impurities.