For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how does one separate the two compounds from one another?
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For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how does one separate the two compounds from one another?
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- 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?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?Why is benzene diazonium chloride not stored and is used immediately after its preparation?
- 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.Why is it important to use a clean and dry round bottom flask in the synthesis of acetanilide from acetic anhydride and aniline?In the procedure of the separation of Phensuprin using Acid-Base extraction, the bicarbonate solution was acidified with HCL to precipitate out acetylsalicylic acid. Why was not the water removed by a rotovap instead?
- Can azeotropes be separated using simple distillation? Why or why not?Aqueous sodium bicarbonate was used to wash the crude t-pentyl chloride.a. What was the purpose of this wash? Give equations.b. Why would it be undesirable to wash the crude halide with aqueous sodium hydroxide?Why is it necessary to store the prepared lysates in a very low temperature?
- what is the reaction of acetone in Sodium nitroprusside and in Iodoform tests?Why is it important that the numbers of moles of methoxide ion be the same as the numberof moles of p-acetamidophenol used in synthesis of phenacetin?what will happen to the reaction of acetone in the sodium nitroprusside Test and in the iodoform test? what will happen if liquid Benzaldehyde is exposed into the air?
