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Question 17 3 pts You need to separate dibenzyl amine from a mixture of organic compounds...
A three-component mixture of organic compounds in diethyl ether consists of a carboxylic acid, an amine...
A three-component mixture of organic compounds in diethyl ether consists of a carboxylic acid, an amine base, and a neutral compound. After treatment with 3 M HCl and thorough mixing, what compound(s) will be present as major components of the aqueous phase? a)the neutral compound b)the carboxylic acid and the neutral compound c)the amine d)the amine hydrochloride salt
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...
Extraction Q1. Why doesn’t the neutral organic compound dissolve in the 1.5 M NaOH solution? Q2....
Extraction Q1. Why doesn’t the neutral organic compound dissolve in the 1.5 M NaOH solution? Q2. Why is diethyl ether a good choice for the organic solvent in this extraction experiment? Q3. What experimental difficulty would you encounter if you neglected to include the drying step before evaporating the ether solution of the neutral organic compound? Q4. Why are the two organic compounds recrystallized before their melting points are determined? Q5. What IR bands are most useful in distinguishing a...
The goal of this experiment is to separate a mixture of two unknown compounds into individual...
The goal of this experiment is to separate a mixture of two unknown compounds into individual Components and to identify the compounds. Answer the questions below. More than one answer may be possible. Why do we need to be especially careful when working with diethyl ether? Fumes can cause drowsiness & dizziness, and in high concentration, loss of consciousness Because it is highly acidic and can burn the skin Because it is extremely volatile and flammable. Of all of the...
The Separation of Three Organic Compounds by Acid, Base Reactions and Liquid, Liquid Extraction. Okay, so...
The Separation of Three Organic Compounds by Acid, Base Reactions and Liquid, Liquid Extraction. Okay, so we had solid benzoic acid, ethyl 4- aminobenzoate, and 9-fluorenone all dissolved in diethyl ether. We separated the basic component by adding 3M HCl, we separated the acidic component by adding 3M NaOH. I don't understand what happens here. To isolate the acidic solution, we added 6 M NaOH and used the vacuum to recover the solid. To isolate the basic solution we added...
Organic Chemistry: Separation and Purification Scheme How do I isolate a mixture of 1,4-dibromobenzene from methyl...
Organic Chemistry: Separation and Purification Scheme How do I isolate a mixture of 1,4-dibromobenzene from methyl chloride? Can I use the following reagents or is there a technique I should consider to separate these two? The reagents available are: 1M NaOH, 6M NaOH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, methanol, isopropyl aochol, acetone, hexane, toluene, methylene chloride, and granular anhydrous sulfate.
Liquid-Liquid Extraction P14. Your instructor gives you 1g of a 50:50 mixture of the following solids...
Liquid-Liquid Extraction P14. Your instructor gives you 1g of a 50:50 mixture of the following solids and asks you to separate them from one another. First you dissolve the mixture in ether: methyl trains-cinnamate OH trans-cinnamic acid OMe mp 34-38°c mp 133°C Using what you learned in P11-P12, complete the extraction plan below (aqueous acid or base should be added?): Aqueous solution of added Top layer: circle one (aqueous or organic?) Bottom layer: circle one (aqueous or organic?) Beaker compounds...
HW.4 & 5 Liquid-Liquid Extraction HW4. A student wishes to separate a mixture of the two...
HW.4 & 5
Liquid-Liquid Extraction HW4. A student wishes to separate a mixture of the two compounds shown below. They intend to use liquid-liquid extraction to do so. NH Aniline Naphthalene A) Aniline has an amine functionality and naphthalene is purely a hydrocarbon compound. An amine functional group is acidic, basic, or neutral? asic B) Given your answer to A, fill in the missing portions of the diagram that describe the process of the separation for aniline and naphthalene. Aqueous...
From You have a mixture of benzoic acid, hexamethylenediamine, and 1-octanol dissolved in diethyl ether. You...
From You have a mixture of benzoic acid, hexamethylenediamine, and 1-octanol dissolved in diethyl ether. You wish (for some reason) to separate these compounds and have pure samples of each. Devise a liquid-liquid extraction protocol that would allow you to do this. (up to 20 points) Your answer should be clear and concise. Ambiguous answers or those that are difficult to read will NOT receive points. Search entries or author Unread Subscribe Reply
5. Suppose you are trying to separate butanoic acid and 4-iodotoluene via extraction with diethyl ether...
5. Suppose you are trying to separate butanoic acid and 4-iodotoluene via extraction with diethyl ether and water. (a) Look up the structures and draw them below. Predict which reagent would have a greater preference/affinity for the diethyl ether layer (1 pt) (b) Which solvent will be on the bottom in the separatory funnel (or conical vial) (1 pt)? (c) U to the butanoic acid and which layer would it prefer- aqueous or o pon treatment of butanoic acid with...
The goal of this experiment is to separate a mixture of two unknown compounds into individual Components and to identify the compounds. Answer the questions below. More than one answer may be possible. Why do we need to be especially careful when working with diethyl ether? Fumes can cause drowsiness & dizziness, and in high concentration, loss of consciousness Because it is highly acidic and can burn the skin Because it is extremely volatile and flammable. Of all of the...
Liquid-Liquid Extraction P14. Your instructor gives you 1g of a 50:50 mixture of the following solids and asks you to separate them from one another. First you dissolve the mixture in ether: methyl trains-cinnamate OH trans-cinnamic acid OMe mp 34-38°c mp 133°C Using what you learned in P11-P12, complete the extraction plan below (aqueous acid or base should be added?): Aqueous solution of added Top layer: circle one (aqueous or organic?) Bottom layer: circle one (aqueous or organic?) Beaker compounds...
HW.4 & 5
Liquid-Liquid Extraction HW4. A student wishes to separate a mixture of the two compounds shown below. They intend to use liquid-liquid extraction to do so. NH Aniline Naphthalene A) Aniline has an amine functionality and naphthalene is purely a hydrocarbon compound. An amine functional group is acidic, basic, or neutral? asic B) Given your answer to A, fill in the missing portions of the diagram that describe the process of the separation for aniline and naphthalene. Aqueous...
From You have a mixture of benzoic acid, hexamethylenediamine, and 1-octanol dissolved in diethyl ether. You wish (for some reason) to separate these compounds and have pure samples of each. Devise a liquid-liquid extraction protocol that would allow you to do this. (up to 20 points) Your answer should be clear and concise. Ambiguous answers or those that are difficult to read will NOT receive points. Search entries or author Unread Subscribe Reply
5. Suppose you are trying to separate butanoic acid and 4-iodotoluene via extraction with diethyl ether and water. (a) Look up the structures and draw them below. Predict which reagent would have a greater preference/affinity for the diethyl ether layer (1 pt) (b) Which solvent will be on the bottom in the separatory funnel (or conical vial) (1 pt)? (c) U to the butanoic acid and which layer would it prefer- aqueous or o pon treatment of butanoic acid with...
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