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The density of dichloromethane, an organic solvent, is 1.325 g/cm. If you mix 50 mL water...
Answer the following before coming to lab: 1.) Based on what you saw last week, which...
Answer the following before coming to lab: 1.) Based on what you saw last week, which enantiomer of tartaric acid would you expect to co- crystallize with (SS)-1,2-diammoniumcyclohexane? 2.) If you had a neutral aqueous solution of triethylamine, would you add acid or base in order to extract it with an organic solvent? 3.) Now, consider a dichloromethane solution of triethylamine. Would you extract with acidic aqueous or basic aqueous solution in order to get the triethylamine out of the...
The density of diethyl ether, an organic solvent, is 0.706g/cm3. If you mix 50 mL water...
The density of diethyl ether, an organic solvent, is 0.706g/cm3. If you mix 50 mL water and 50 mL diethylether together in a separatory funnel, which layer would be ontop?
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent...
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent is on the bottom of the aqueous phase and which is on top? (write your answer by the solvent name) a) Ethyl acetate b) hexane c) Dichloromethane d) diethyl ether 2) If you are performing a liquid-liquid extraction and you have a mix of a carboxylic acid and a non-acidic compound, which combination of solvents would you use for the separation? a) dichloromethane/HCI b)...
which is less dense and more dense. please write the explaination for a-d please Question 3:...
which is less dense and more dense.
please write the explaination for a-d please
Question 3: When immiscible organic solvent is mixed with water, two layers will form. Please identify which of the following solvents will be top or bottom layer when mix with water (density = 1 g/ml). (2 points each) a. Dichloromethane (density = 1.33 g/ml): Top or Bottom b. Chloroform (density = 1.49 g/ml): Top or Bottom c. Diethyl ether (density = 0.706 g/ml): Top or Bottom...
Given: 50mL of solution diethyl ether solution containing 1.00g each of benzoic acid, phenol and aniline,50 mL of sodium...
Given: 50mL of solution diethyl ether solution containing 1.00g each of benzoic acid, phenol and aniline,50 mL of sodium bicarbonate solution, 50 ml of sodium hydroxide solution, sodium sulfate and HCl. 1. Which layer in the separatory funnel (top or bottom layer) is the organic layer during an extraction process? 2. Given that sodium bicarbonate and sodium hydroxide solution are 5% by weight, what would be the volume of 1M HCl needed to be added for acidification to crystalize the...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in methylene chloride. By adding KOH (aq) into this solution for extraction, what compound(s) would be expected to form in the aqueous layer? Write the equation. Compound X has a hexane/water distribution coefficient of 2.0. (a) Does compound X have a higher or lower solubility in hexane comparing to water? (b) How much of a 3.0 g sample of compound X dissolved in 100 ml...
3. Match the following water solubility values with the correct structures below: 0.015 g/100 mL, 0.047...
3. Match the following water solubility values with the correct structures below: 0.015 g/100 mL, 0.047 g/100 mL, 0.5 g/100 mL, 3.6 g/100 mL, 8.3 g/100 mL NH2 4. When performing the gravity filtration of sucrose from dichloromethane, you pre-wet your filter paper with water. What would result? 5. When performing a basic aqueous extraction with dichloromethane to separate aspirin from your unknown, why is it crucial to mix the two layers (aqueous and organic) thoroughly within the separatory funnel?
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...
Organic Chemistry Lab Densities in g/ml Dichloromethane d= 1.33 g/ml Acetone d =0.79 g/ml 2, 2-dimethoxypropane...
Organic Chemistry Lab
Densities in g/ml Dichloromethane d= 1.33 g/ml Acetone d =0.79 g/ml 2, 2-dimethoxypropane d= 0.85 g/ml methanesulfonyl chloride (mesyl chloride, MsCl) MW = 114.55; d = 1.48 g/ml Triethylamine d= 0.73 g/ml Diethyl ether Water MW = 74.112 d = 0.706 d = 1.00 Pentane MW 72.5 d= 0.63 MW Phosphorous Chlorine 30.97 35.45 Boron Nitrogen Oxygen Carbon Hydrogen 10.8 14.07 16.00 12.00 1.00 In J. Med Chem 1978 21 (10) 1070, the authors report the preparation...
1. What experimental difficulty would you encounter if you had neglected to include a drying step...
1. What experimental difficulty would you encounter if you had neglected to include a drying step before evaporating the ether solution of the neutral organic compound? 1b. An extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with 10-mL portions of diethyl ether. A student removes the lower layer after the first extraction and adds the second 10-mL portion of ether to the upper layer remaining in the separatory funnel. After shaking the funnel, the...
Answer the following before coming to lab: 1.) Based on what you saw last week, which enantiomer of tartaric acid would you expect to co- crystallize with (SS)-1,2-diammoniumcyclohexane? 2.) If you had a neutral aqueous solution of triethylamine, would you add acid or base in order to extract it with an organic solvent? 3.) Now, consider a dichloromethane solution of triethylamine. Would you extract with acidic aqueous or basic aqueous solution in order to get the triethylamine out of the...
1)When you perform a liquid-liquid extraction using a separatory funnel, which of the following organic solvent is on the bottom of the aqueous phase and which is on top? (write your answer by the solvent name) a) Ethyl acetate b) hexane c) Dichloromethane d) diethyl ether 2) If you are performing a liquid-liquid extraction and you have a mix of a carboxylic acid and a non-acidic compound, which combination of solvents would you use for the separation? a) dichloromethane/HCI b)...
which is less dense and more dense.
please write the explaination for a-d please
Question 3: When immiscible organic solvent is mixed with water, two layers will form. Please identify which of the following solvents will be top or bottom layer when mix with water (density = 1 g/ml). (2 points each) a. Dichloromethane (density = 1.33 g/ml): Top or Bottom b. Chloroform (density = 1.49 g/ml): Top or Bottom c. Diethyl ether (density = 0.706 g/ml): Top or Bottom...
You have a separatory funnel that contains a solution of 4-methyl benzoic acid and ethoxybenzene in methylene chloride. By adding KOH (aq) into this solution for extraction, what compound(s) would be expected to form in the aqueous layer? Write the equation. Compound X has a hexane/water distribution coefficient of 2.0. (a) Does compound X have a higher or lower solubility in hexane comparing to water? (b) How much of a 3.0 g sample of compound X dissolved in 100 ml...
3. Match the following water solubility values with the correct structures below: 0.015 g/100 mL, 0.047 g/100 mL, 0.5 g/100 mL, 3.6 g/100 mL, 8.3 g/100 mL NH2 4. When performing the gravity filtration of sucrose from dichloromethane, you pre-wet your filter paper with water. What would result? 5. When performing a basic aqueous extraction with dichloromethane to separate aspirin from your unknown, why is it crucial to mix the two layers (aqueous and organic) thoroughly within the separatory funnel?
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...
Organic Chemistry Lab
Densities in g/ml Dichloromethane d= 1.33 g/ml Acetone d =0.79 g/ml 2, 2-dimethoxypropane d= 0.85 g/ml methanesulfonyl chloride (mesyl chloride, MsCl) MW = 114.55; d = 1.48 g/ml Triethylamine d= 0.73 g/ml Diethyl ether Water MW = 74.112 d = 0.706 d = 1.00 Pentane MW 72.5 d= 0.63 MW Phosphorous Chlorine 30.97 35.45 Boron Nitrogen Oxygen Carbon Hydrogen 10.8 14.07 16.00 12.00 1.00 In J. Med Chem 1978 21 (10) 1070, the authors report the preparation...
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