In the isolation of eugenol using steam distilation, what will happen if one use instead fractional distillation than steam distillation thank u
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In the isolation of eugenol using steam distilation, what will happen if one use instead fractional distillation than steam distillation thank u
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- 4.It is tempting to maximize the amount of product isolated by continuing the fractional distillation until no solution remains in the distilling flask. Why is this not done?the eugenol and water distillate you collect is apt to be cloudy, particularly the first part of this distillate. Explain why.If you were to use a mixture of methylene chlorine and ethyl acetate to elute the column (rather than a mixture of hexanes and acetone) would you begin with a a mixture comprised on mostly methylene chloride (CH:Cle) or ethyl acetate (CH.COOCH:CHs). Explain your choice.
- A mixture of the two compounds shown below is dissolved in ether. Using the information given in the experiment, select all the correct statements regarding the extraction and isolation of the two compounds. lose 0000 X OH A. X can be extracted from the organic layer using sodium hydroxide. B. Y can precipitate out of the aqueous layer by the addition of sodium hydroxide to the salt of Y. C. X can precipitate out of the aqueous layer by the addition of sodium hydroxide to the salt of X. D. Y can be extracted from the organic layer using sodium hydroxide.Calculate the Initial Concentration, in units of Molarity, for each reagent used in each of the three trials in this experiment.What other experimental techniques (including spectroscopy) might be used to identify the products in this experiment?
- Describe and explain how each of the following experimental errors or variations would affect the HETP value and the efficient of the separation.a) If you didn't collect the HETP sample until midway through the distillation.b) If all of your liquid distilled within 5 minutes of the time you began heating.c) If you stacked two packed columns over boiling flask rather than one.6. Why is it dangerous to attempt a distillation in a completely closed system3. If you would directly analyse a solid sample with AAS, which method will you prefer? Explain about it in detail.
- directly analyse a solid sample with AAS, which method will you prefer? Explain this.Anna has a solid sample and did use an aqueous solvent to dissolve it. She observed that some of her solid-sample was remained undissolved. She then filters her solution to separate the liquid from the undissolved solid. She disregards the solid so that it won’t interfere the reactions that may occur in the solution. Out of that solution, five replicates were obtained and she took the analytical procedure at the same time and in the same way. In Anna’s procedure, what was her source of error? Select one: a. None. She did it well. b. Applying analytical procedure at the same time and in the same way. c. Using an aqueous solvent to dissolve her solid-sample d. Filtering her solution e. Having five replicates instead of three2. Calculate the percent yield step if you start with 2.687 g of salicylic acidwith excess of acetic anhydride and the amount of aspirin obtained was 2.301 g. 3. Explain why acetic acid is unlikely to be a contaminant in your solid aspirin. 4. If you measured the melting point of the solid product from this experiment andobtained a melting range of 122-128 °C, what does this tell you? 5. Aspirin that has been stored for a long time and gives a purple color with FeCl3 (Tests for Functional Groups). What reaction would cause this to happen?