A mixture is made up of low molecular weight carboxylic acid, alcohol and ester. What one step procedure can you use to extract the ester component from the mixture? Describe the process briefly
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A mixture is made up of low molecular weight carboxylic acid, alcohol and ester. What one step procedure can you use to extract the ester component from the mixture? Describe the process briefly
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- Upon completion of a chemical reaction, you find you have a mixture of benzoic acid and ethyl benzoate. Propose a procedure to separate the ethyl benzoate from the mixture. You should look up the structures of benzoic acid and ethyl benzoate.A bloodhound, with an acute sense of smell, sits at one end of a long, unventilated corridor.At the other end of the corridor a small amount of an aerosol is released containing the volatile, fragrant compounds: acetaldehyde (C2H4O) jasmine lactone (C10H16O2) acetoin (C4H8O2) hexyl acetate (C8H16O2) 1-octen-3-one (C8H14O) Rank the compounds in the chronological order they are detected by the hound. 1-octen-3-one acetoin jasmine lactone hexyl acetate acetaldehydeWhat is the purpose of adding sodium carbonate in the mixture of water and water- soluble components obtained from the solid-liquid extraction step of isolation of alkaloids from tea leaves? A.Increases the solubility of alkaloids in water thus ensuring maximum yield B.deprotonates tannins so that they will remain in the aqueous layer during liquid-liquid extraction C.'hydrolyses cellulose thus separating it along with other water-soluble components D.protonates the alkaloid to make the solution acidic
- Acetic acid, salicylic acid, benzoic acid all of them undergo esterification test separately with n-propyl alcohol and concentrated sulfuric acid. Which among the three is the fastest in showing the formation of pleasant odor. Arrange them from fastest to slowest. Explain and support your answerYou have a mixture of an aryl halide and a carboxylic acid that you wish to separate(both are solids). Both are soluble in diethyl ether. Explain ALL the steps you would take to obtain the two compounds in pure form from your sample.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.
- 1. Explain the differences in melting point of these test compounds by relating with their structures and intermolecular or intramolecular forces of attraction: a. benzoic acid and salicylic acid b. p-aminobenzoic acid and salicylic acid c. oxalic acid and succinic acid d. succinic acid and malic acid Please provide link for citation.Give an example of an azeotrope and give one method/technique that people have used to separate an azeotropic mixture. a) Are cyclohexane and toluene an azeotropic mixture? Why or why not?Your employer hands you a heterogeneous mixture and asks you to isolate all of thehexane that you can from it. After some analysis, you determine that the mixture contains toluene, hexane,benzoic acid, water, sodium chloride, and sand. Explain how you would isolate pure hexane from thismixture. Remember that you can use techniques such as filtration, extractions, and acid/base chemistrythat we learned earlier in this course in addition to distillation. You may need to look up solubilities and/orboiling points online to solve this problem. You only need to isolate the hexane?
- Write a full procedure to Recrystallize benzoic acid and Naphthalene.Give a clear explanation answer Given A naphthalene sample is contaminated with a small amount of sodium chloride. Comment on each solvent: toluene, chloroform, and water, which is the best solvent for recrystallization for purifying the sample?how do you separate three organic substances by means of extraction. If the three substances, one is 4-methoxyphenol, one acid, the other substance, 1-phenylethylamine, is a base and the third substance, 1,4-dimethoxybenzene, lacks acid-base properties. The three substances are dissolved in diethyl ether, which is a relatively non-polar organic solvent