Which method or methods can you use to obtain pure ethanol from ethanol-water mixture and to obtain limonene from lemon? Explain the methods you will use, along with the basic principles and relevant experimental setups.
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. Which method or methods can you use to obtain pure ethanol from ethanol-water mixture and to obtain limonene from lemon? Explain the methods you will use, along with the basic principles and relevant experimental setups.
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- 1. You have been given a mixture of toluene,aniline and benzoic acid dissolved in chloroform.explain in detail with the aid of a flow diagram and reaction schemes,how you would separate the mixture into pure components9-Aminofluorene has applications in the structural analysis of proteins and carbohydrates. Write a stepwise procedure with equations to show how to separate a mixture of 9-aminofluorene and fluorene in diethyl ether solution.5. 1. What is the purpose of testing distilled water and laboratory ethanol in the testing of ethanol? 2. During the experiment, you recorded the vapor temperature of the samples. Does the literature B.P. of ethanol correspond to the recorded temperatures? Why or why not? 3. Based on the iodoform test, did your distillate portion contain ethanol and/or water? Explain?
- Why you need to be careful with the separation funnel while extracting the reaction mixture with a solution of sodium bicarbonate in the synthesis of isoamyl acetate using isoamyl alcohol and acetic acid. Provide the corresponding equation.In a paragraph form, provide the experimental procedures of The second stage is the 3-benzoylpropionic acid reaction of Clemmenson, which results in 4-phenyl butanoic acid. Clemmensen reaction is observed in the presence of zinc amalgam and hydrochloric acid.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.
- What is the chemical reaction when completing extraction experiment and using 100mg Benzoic Acid, 2ml H2O and CH2Cl2 each? What is the chemical reaction when completing extraction with 4-chloroaniline and adding in HCl?In a paragraph form provide the experimental procedure of 3-benzoylpropionic acid reaction of Clemmenson, which results in 4-phenyl butanoic acid. Clemmensen reaction is observed in the presence of zinc amalgam and hydrochloric acidA solution of the following three compounds in ether is extracted first with aqueous HCl, secondly with aqueous NaHCO3. Where will each of the three compounds reside after the procedure: the NaHCO3 extract, the HCl extract, or the ether layer? Please explain with the help of pKa numbers. (image of compounds attached)
- What impurity was likely removed during the recrystallization necessary and was it effective and why do you think so using the prcedure belwo and the reaction provided. PROCEDURE Synthesis of Dibenzalacetone (A) In this lab you will need to determine the amounts of the reactants you will use. We will use 0.0125 moles of acetone. You need to: (1) convert this into a volume in mL, (2) Calculate the number of moles of benzaldehyde needed based on the balanced chemical reaction, (3) Convert the number of moles of benzaldehyde into volume in mL. Your reagent table should reflect your calculated values. Mix the benzaldehyde and acetone based on the volumes from your prelab calculations in a testtube. Add 25 mL of 10% NaOH solution to a 125 mL Erlenmeyer flask along with a stir bar and 20 mL of ethanol. Make sure the temperature of the solution in the flask is below 25 C before proceeding. Add half of the solution from your test tube to the flask. Allow the solution to…What is/are the limiting reagent(s) for this three-step procedure? Why is sodium borohydride not the limiting reagent even though a smaller number of moles of this reagent are used? Mass/volume used in experiment: O-vanillin = 0.760g P-toluidine = 0.535g Ethanol = 15 ml Sodium borohydride = 0.1 g Glacial acetic acid = 2 ml Acetic anhydride = 2 mlAccount 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?
