Explain in detail how you would separate benozic acid from phenol, using either lithium hydroxide, sodium bicarbonate, and any acid? Specify which compound would be what layer whenever a reagent is added. Please indicate how you would recover the native form of any compound that was converted during extraction. LOH OH Phenol Benozic acid pka =~4.0 pka = 10
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- What product would you obtain if you evaporated the water from the NaOH layer prior to acidifying the layer? (we are trying to extract p-tert-butylphenol; it is in aqueous solution with NaOH, which we used to extract it from a mixture dissolved in ether). Prior to acidifying with HCl, it is ionic (phenoxide).What reaction would be best for preparing 2-isopropoxy pentane in high yield? 2-iodopentane and sodium isopropoxide sodium hydride added to 2-pentanol, then 2-iodopropane mercury acetate added to 1-pentene and isopropanol, then NaBH4 mercury acetate added to 2-pentene and isopropanol, then NaBH4Propose a method to separate a mixture containing phenol, benzoic acid, naphthalene, and p-nitroaniline. Phenol is soluble in sodium hydroxide solution but insoluble in neutral water or sodium bicarbonate solution. Benzoic acid is soluble in either sodium hydroxide or sodium bicarbonate solutions. Write out the structures of the molecules in your scheme.
- During the work-up to obtain cis- and trans-4-tert-butylcyclohexanol, the procedure required the use of diethyl ether for extraction followed by two washes of the extract with saturated sodium bicarbonate solution. What is the difference between extraction and washing in a work-up procedure like this one?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?In a hurry to complete the synthesis, Bill used 6M HCl, also on the reagent shelf, instead of the 6M H2SO4. As a result, describe what observation would he expect. Andrea used too much sulfuric acid. What observation would she expect? Explain. Explain why the alum crystals are washed free of impurities with the ethanol-ice-water mixture rather than with room-temperature deionized water.
- 5-bromoacetylsalicylic acid melts at 60 °C and is inert and almost insolube in water at room temperature. Why can’t water be used as recrystallizing solvent for this compound?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 acidHow would you recrystallize a mixture of Benzoic acid and 2-Naphthol? Discuss the choice of solvent and recrystallization process. (Hint. Look up the solubility of these two compounds in different solvents)
- What is the theoretical yield and limiting reagent for the reaction of benzophenone with sodium borohydride to form diphenyl methanol as described in the experiment provided if you begin with 1.75g of benzophenone in 25 mL of 95% ethanol and add 0.75 g of sodium borohydride portion wise over 45 minutes?Write the esterification reaction of acetic acid with isopentyl alcohol to form isopentyl acetate and acetic acid. What is the theortical yield of isopentyl acetate and which one is the liniting reagent? Moles of acetic anhydride= 0.023mol Volume of acetic anhydride= 2.2ml Molar mass of acetic anhydride= 102.09g/mol Volume of isopentyl acetate = 2ml Molar mass of isopentyl acetate = 88.148g/mol Density of isopentyl acetate = 0.81g/mL Mass of isopentyl acetate (Actual yield)= 1.887gwhat is the purpose of adding concentrated sulfuric acid to a product after distillation? what products would you expect to be produced if H2SO4 were used as the acid catalyst, and an equimolar mixture of NaCl and NaBr were used as the sources of nucleophiles? Based on the previous question: more than one product is actually produced. Will the products be produced in equal amounts. why or why not