Exp 5 Separation Develop a separation scheme for the following compounds. Make sure that you end with each compound in an organic phase. Use the following solvents; water, methanol, hexane, CH2C12, Ether, 1M NaOH, 6M NaOH, 1M HCI, 6M HCI. Oc-OH H2N. H3C CH3 Acid Base weutral te Le ecp at
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Given problem is based on ternary mixture separation .
Here, three types of compound give and we can separate them using solvent such as ether.
Let's see flowchart of separation.
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- During an acid base extraction of an organic compound dissolved in dichloromethane with sodium bicarbonate (NaHCO3), you do not recover any of the desired extracted product after completing all the remaining steps. What could the most probable reason(s) be for the observed outcome? -The organic compound you want to extract is also a base; an acid is needed -You did not degassed/vent the separatory funnel -You did not shake the separatory funnel enough to react the base with the organic compound -You did not heat the mixture before the extraction -The organic compound evaporate from separatory funnel during the extractionWhich of the following is expected to achieve the best recovery of an organic compound from an aqueous solution? 1.Three extractions with 20 mL of ethyl acetate per extraction (60 mL total) 2.Two extractions with 30 mL of ethyl acetate per extraction (60 mL total). 3.One extraction with 60 mL of ethyl acetate. 4.In theory these extractions yield identical recoveries of the organic compound.Thank you. 0.02 kg plant extract in 2dm3 of water was shaken with 0.1dm3 ether. Upon checking, 1.7x10-3 kg of plant extract passes into the ether. note that there are no changes in the molecular state of the plant extract. what amount of the plant extract was left unextracted if the aqueous solution was shaken with 0.1dm3 ether the second time?
- Consider the chlorination (Cl2, hν) of optically active (2R,3R)-2-chloro-3-methylpentane. If the dichloro fraction is analyzed by gas liquid phase chromatography (GLPC), how many peaks may be seen? How many of the compounds in the dichloro fraction show optical activity?It has been noticed that adulteration of palm oil with carcinogenic dyes are on the rise. Use your knowledge in analytical processes to systematically process adultrated palm oil to gain qualitative and quantitative information spectroscopically about any added toxic.Explain also the basis for your protocol of choiceWhich layer (aqueous or organic) will nootkatone partition into during extraction? 3M HCL or dichloromethane
- outline a separation scheme for isolating pure aspirin. lab video: https://www.youtube.com/watch?v=Y4NMpO1xI8UConsider the calcination of CaCO3 Before calcination, the initial weight of CaCO3 is 1.005g. After calcination, the final weight becomes 1.0 g.Calculate the fraction reacted of CaCO3Propose a extraction flowchart capable of seperating this mixture into its pure form
- Which of the following solvent pairs can be used in liquid-liquid extraction? I. water-methanol II. water-diethyl ether III. hexane-dichloromethane IV. hexane-acetone Group of answer choices II only II and III I and III II and IVSuppose you have an organic sample X that is somewhat soluble in water, even though it issomewhat more soluble in dichloromethane or ether solvents. But if you do a singleextraction, you get only 60% of your material to transfer from the water to the organic layer.How many “washes” would it take to extract over 90% of your organic material extracted fromthe water layer?Which layer (aqueous or organic) will naphthalene partition into during the extraction process? 3M HCL or Ethyl Acetate