Explain the function of using dichloromethane after the steam extraction of Eugenol. Also discuss if there are any differences and which ones in soxhlet extraction and steam drag.
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A: Eugenol, is an essential oil, that is extracted from cloves.
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Explain the function of using dichloromethane after the steam extraction of Eugenol. Also discuss if there are any differences and which ones in soxhlet extraction and steam drag.
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- Write a balanced equation for the reaction of benzoic acid with hydroxide ion. Why is it necessary to extract the ether layer with sodium hydroxide?Account for the greater amount of internal pressure in the aspirin extraction versus the ß- naphthol extraction.Why does the sequence for extracting the diethyl ether solution of aspirin acid, naphthalene, and ß-naphthol start with aqueous bicarbonate and follow with aqueous hydroxide rather than the reverse order?Why is the 4-methoxyphenyl acetate organic layer subjected to washes with saturated sodium bicarbonate solution, water and brine when carrying out a separatory funnel extraction?
- For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how does one separate the two compounds from one another?This experiment is the Separation of a mixture of 3-nitroaniline, Benzoic acid, and naphthalene using an acid-base separation extraction technique What properties of the three compounds in this experiment allow you to use the above technique to separate them?Why are you asked to use multiple portions of the solvent at the extraction steps?Why are you asked not to discard any solvents until you have obtained your products?Why does the eugenol move from the water layer to the dichloromethane layer during extraction?
- What is the reason behind the portion-by-portion evaporation of DCM in the extraction of eugenol?in a liquid-liquid extraction, why is ethyl acetate a good initial solvent to dissolve a mixture of benzoic acid, 4-bromoacetophenone and ethyl 4-aminobenzoate? the extraction solvent is sodium bicarbonate.2. In this experiment, you used ethyl acetate as the initial solvent to dissolve your mixture of benzoic acid, 4-bromoacetophenone and ethyl 4-aminobenzoate. i) Explain 3 reasons why ethyl acetate a good choice for this process? ii) Would you have obtained similar results with A) chloroform, B) ethanol, or C) water? Why or why not? Explain. Hint: Think about both solubility and miscibility of solvents when answering your question.
- We want to extract terpenoids from an aqueous sample by continuous liquid-liquid extraction. Which of the following solvents is not suitable for this purpose? Why? Propanone (acetone), dichloromethane, heptane.During the experiment “Liquid-Liquid extraction”, which compound was removed by the addition of sulfuric acid? Group of answer choices Ferrocene Benzoic Acid Diethyl ether 3-NitroanilineWhy should we extract the Cyclohexanone in a three step extraction (with 10 ml, 8 ml and 7 ml Ether) rather than in one step (with 25 ml Ether)?
