Suggest a flow diagram to separate the following mixture of compounds A and B by changing pH and doing extractions with an organic solvent
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Suggest a flow diagram to separate the following mixture of compounds A and B by changing pH and ...
Solutions??? Lab Partner(s): Isolation of Active Ingredients of Excedrin-Week 1 Task A: Separate the mixture of...
Solutions???
Lab Partner(s): Isolation of Active Ingredients of Excedrin-Week 1 Task A: Separate the mixture of active ingredients of Excedrin from the exciplents in the toblet. 01. Complete the following flowchart. Based on step 1 you performed in the lab. Moture of aspirin, caffeine and acetaminophen along with insoluble excipients Solvent a itrate residue Q3. Based on step 2 you performed, complete the following flowchart to depict the scheme of separation of acetaminophen from insoluble excipients. Mixture of acetaminophen and...
I have a mixture of three compounds and I want to separate them. The compounds are...
I have a mixture of three compounds and I want to separate them. The compounds are ethyl aminobenzoate (50%), benzoin (40%), and 1,4-dibromobenzene(10%). I started the experiment by dissolving the mixture in the methylene chloride, then I added HCl, so I got two layers, first one is aqueous layer that contain ethyl aminobenzoate, and the second one is organic layer that contain benzoin and 1,4-dibromobenzene. After that I add NaOH to aqueous layer and I got a solid, then I...
Suppose you are trying to separate a mixture of three compounds with the help of TLC....
Suppose you are trying to separate a mixture of three compounds with the help of TLC. Compound C is of medium polarity. Compounds A and B are of high polarity, but A is slightly less polar than B. Sketch the TLC's that you would expect developing in a chamber with i) a non-polar solvent, ii) a solvent of medium polarity, iii) a highly polar solvent.
An unknown mixture (dissolved in diethyl ether) contains only 2 of the following : benzoic acid,...
An unknown mixture (dissolved in diethyl ether) contains only 2 of the following : benzoic acid, phenol, aniline and napthalene. You use the acid-base extraction method and want to identify the 2 compounds in your original mixture. 1) To separate the organic acid you add NaOH and to separate the organic base you add HCl.In both cases these extractions are followed by extractions with water. Why do we add water? Why is this step important? (A clear explanation please). 2)When...
SUR- 4. Diagram a flow chart (similar to the one on page 31) of the exact...
SUR- 4. Diagram a flow chart (similar to the one on page 31) of the exact extraction that you performed. Be sure to include labels for all layers and all structures, both organic and ionic. 5. Write an acid/base reaction for all of the exact reactions that you performed during this experiment. Acid Base Disolve in organie solvent (ether or CH.01.) Extract with NaHCO, pune layer Ho Extract with NaOH (4) organe layer separate water layer Na Extract with Ha...
3. Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclop...
3. Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclopentyl-N- methyl-N-propylamine (N means the group is attached to the nitrogen of the amine) and m-nitrobenzoic acid Specify the organic solvent and aqueous solutions to be used for the separation. Provide the exact acid-base reaction that occurs during each step of the separation. (For information of nomenclature, see Wade, 8th Ed. pp. 740-742, 880-882, 982-988)
3. Using a flow diagram, show the separation of a mixture containing...
Propose an extraction scheme to separate the mixture of following compounds shown below: (5 pts) ...
question regarding separation using acid-base
extraction lab
Propose an extraction scheme to separate the mixture of following compounds shown below: (5 pts) COOH Br and
Propose an extraction scheme to separate the mixture of following compounds shown below: (5 pts) COOH Br and
1. A TLC experiment is performed to separate a mixture of the compounds shown below. Label...
1. A TLC experiment is performed to separate a mixture of the compounds shown below. Label each chemical with the appropriate letter based off the TLC data. (2 points) • B OCH 2. What would happen to the Rivalues for your compounds if 30:70 hexane:acetone were used as the developing solvent instead of 70:30 hexane:acetone? Briefly explain why. (2 points) 3. After first using 90:10 hexane:acetone as the solvent, we switched to 70:30 hexane:acetone. Why did we not use 70:30...
17. Draw a flow sheet to show how you would separate a mixture of benzoic acid,...
17. Draw a flow sheet to show how you would separate a mixture of benzoic acid, 2-naphthol, aniline, and naphthalene. (indicate the solvent, location and composition of each layer). Draw all balanced equations. (6') Reagents available: 3M hydrochloric acid solution, 3M sodium hydroxide solution, 3M sodium bicarbonate solution, saturated sodium chloride solution Solvent available: water, dichloromethane, ethanol, and diethyl ether.
17. Draw a flow sheet to show how you would separate a mixture of benzoic acid, 2-naphthol, aniline, and naphthalene....
LTC plate A mixture of compounds A, B and C was spotted on a TLC plate...
LTC plate
A mixture of compounds A, B and C was spotted on a TLC plate and the TLC was run in dichloromethane solvent. Which of the following compounds will have the highest R_f value? Explain why? A mixture of compounds A. B and C was separated using column chromatography with dichloromethane as the mobile phase. Which of the following compounds will elute as the last fraction from the column? Explain why?
Solutions???
Lab Partner(s): Isolation of Active Ingredients of Excedrin-Week 1 Task A: Separate the mixture of active ingredients of Excedrin from the exciplents in the toblet. 01. Complete the following flowchart. Based on step 1 you performed in the lab. Moture of aspirin, caffeine and acetaminophen along with insoluble excipients Solvent a itrate residue Q3. Based on step 2 you performed, complete the following flowchart to depict the scheme of separation of acetaminophen from insoluble excipients. Mixture of acetaminophen and...
Suppose you are trying to separate a mixture of three compounds with the help of TLC. Compound C is of medium polarity. Compounds A and B are of high polarity, but A is slightly less polar than B. Sketch the TLC's that you would expect developing in a chamber with i) a non-polar solvent, ii) a solvent of medium polarity, iii) a highly polar solvent.
SUR- 4. Diagram a flow chart (similar to the one on page 31) of the exact extraction that you performed. Be sure to include labels for all layers and all structures, both organic and ionic. 5. Write an acid/base reaction for all of the exact reactions that you performed during this experiment. Acid Base Disolve in organie solvent (ether or CH.01.) Extract with NaHCO, pune layer Ho Extract with NaOH (4) organe layer separate water layer Na Extract with Ha...
3. Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclopentyl-N- methyl-N-propylamine (N means the group is attached to the nitrogen of the amine) and m-nitrobenzoic acid Specify the organic solvent and aqueous solutions to be used for the separation. Provide the exact acid-base reaction that occurs during each step of the separation. (For information of nomenclature, see Wade, 8th Ed. pp. 740-742, 880-882, 982-988)
3. Using a flow diagram, show the separation of a mixture containing...
question regarding separation using acid-base
extraction lab
Propose an extraction scheme to separate the mixture of following compounds shown below: (5 pts) COOH Br and
Propose an extraction scheme to separate the mixture of following compounds shown below: (5 pts) COOH Br and
1. A TLC experiment is performed to separate a mixture of the compounds shown below. Label each chemical with the appropriate letter based off the TLC data. (2 points) • B OCH 2. What would happen to the Rivalues for your compounds if 30:70 hexane:acetone were used as the developing solvent instead of 70:30 hexane:acetone? Briefly explain why. (2 points) 3. After first using 90:10 hexane:acetone as the solvent, we switched to 70:30 hexane:acetone. Why did we not use 70:30...
17. Draw a flow sheet to show how you would separate a mixture of benzoic acid, 2-naphthol, aniline, and naphthalene. (indicate the solvent, location and composition of each layer). Draw all balanced equations. (6') Reagents available: 3M hydrochloric acid solution, 3M sodium hydroxide solution, 3M sodium bicarbonate solution, saturated sodium chloride solution Solvent available: water, dichloromethane, ethanol, and diethyl ether.
17. Draw a flow sheet to show how you would separate a mixture of benzoic acid, 2-naphthol, aniline, and naphthalene....
LTC plate
A mixture of compounds A, B and C was spotted on a TLC plate and the TLC was run in dichloromethane solvent. Which of the following compounds will have the highest R_f value? Explain why? A mixture of compounds A. B and C was separated using column chromatography with dichloromethane as the mobile phase. Which of the following compounds will elute as the last fraction from the column? Explain why?
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