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1) A student leaves his product sitting with the bicarbonate solution in the separatory funnel and...
Unoor (vrtci) = MHCI V NaOH (Corrected for blank) na-2.0 Vw.nu added Experiment 9: Conversion of...
Unoor (vrtci) = MHCI V NaOH (Corrected for blank) na-2.0 Vw.nu added Experiment 9: Conversion of an Alcohol to an Alkyl Halide st Lab Questions: t-amyl chloride 1) A student leaves his product sitting with the bicarbonate solution in the separatory tunnel and so to go eat a snack for 30 minutes. When they get back they no longer have two layers. Explain. Aqueous sodium bicarbonate was used to wash the crude t-pentyl chloride. a. What was the purpose of...
8. After shaking and venting the separatory funnel, a student put the funnel on an iron...
8. After shaking and venting the separatory funnel, a student put the funnel on an iron ring. Worried that the product would evaporate, the student kept the hollow stopper on the funnel. After several minutes the student saw two layers had completely separated and opened the stopcock to drain the bottom layer, but no liquid drained out. What would you recommend that the student do?
2. When using the separatory funnel you may have observed a oily emulsion between the aqueous and...
2. When using the separatory funnel you may have observed a oily emulsion between the aqueous and DCM layers. What components of tea are responsible for this emulsion? How can one minimize the size of the emulsion layer? 3. How does adding the anhydrous sodium sulfate to the dichloromethane solution remove water? 4. If the above step was omitted in the isolation procedure, how would this be reflected in the yield of caffeine? 5. A student used 8.23 g of...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the rea...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the reactions that took place. b. At which purification steps was the unreacted methanol removed in the reaction? Some of it may have been removed in more than one place. c. Three-Step Synthesis of Methyl Anisate (Step 3) 0 CHOH. Н.so, cat.) Wear gloves. Methanol is poisonous. Ether is an anesthetic, so don't breathe it. Sulfuric acid is a strong corrosive acid. Wash any you spill...
How can the NMP oxalate salt be converted back to NMP? Here is the procedure: PROCEDURES...
How can the NMP oxalate salt be converted back to NMP? Here is the procedure: PROCEDURES Part A: Synthesis of (±)-N,N-dimethyl-3-phenyl-3-(4-trifluoromethylphenoxy)propanamine To the 250-mL round-bottom flask (RBF) containing (±)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4-chlorobenzotrifluoride and 30 mL of dimethylacetamide (DMA). With stirring, add to this mixture 30 mL of 1.0 M potassium tert-butoxide (caustic alkali!) in tert-butyl alcohol using a syringe. Using a simple distillation apparatus, distill the mixture slowly, with...
Propose another way of synthesizing NMP from the amino ketone hydrochloride salt starting materia...
Propose another way of synthesizing NMP from the amino ketone
hydrochloride salt starting material you used.
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4- chlorobenzotrifluoride and 30 mL of dimethylacetamide (DMA) 2. With stirring, add to this mixture 30 mL of 1.0 M potassium tert-butoxide (caustic alkali!) in tert-butyl alcohol using a syringe 3. Using a simple distillation apparatus,...
SYNTHESIS OF T-PENTYL CHLORIDE LAB Provide a stoichiometry table for the reaction being performed in this...
SYNTHESIS OF T-PENTYL CHLORIDE LAB
Provide a stoichiometry table for the reaction being performed
in this lab.
PROCEDURE Preparation oft-Pentyl Chloride In a 125-mL separatory funnel, place 10.0 mL of tert-pentyl alcohol (2-methyl-2- butanol, MW = 88.2, d = 0.805 g/mL) and 25 mL of concentrated hydrochloric acid (d 1.18 g/mL). Do not stopper the funnel. Gently swirl the mixture in the separa- tory funnel for about 1 minute. After this period of swirling, stopper the separatory funnel and carefully...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL BUBBLE! Add additional drops of saturated sodium bicarbonate solution with mixing until no additional bubbling occurs Congratulations! You have just made your first ester. Now you want to separate your ester product from the other stuff in the reaction mixture. CTQ3 Sodium bicarbonate is a base. How will it interact with any carboxylic acid molecules still present in your reaction mixture? 10. Add 1mL...
MSISTRY 203-204 Grganic Chemistry Lab Manual 3 4 EXPERIMENT #9 The Preparation of t Butyl Chloride A tertiary carbonium ion is more rapidly formed than a secondary or primary carbonium ion. Onc...
MSISTRY 203-204 Grganic Chemistry Lab Manual 3 4 EXPERIMENT #9 The Preparation of t Butyl Chloride A tertiary carbonium ion is more rapidly formed than a secondary or primary carbonium ion. Once formed, a tertiary carbonium ion is stabilized by charge dispersal to a greater extent than a secondary or primary carbonium ion. It therefore has a longer life expectancy. Primary carbonium ions, protons, may exist in solution only in solvated form have any free existence, they dehydration reaction and...
What is the reaction product(s) of oleic acid & sodium methoxide? Show the structure(s). Part A:...
What is the reaction product(s) of oleic acid & sodium methoxide? Show the structure(s). Part A: Acid Catalyzed Fischer Esterification of Free Fatty Acids Add 20 mL of canola oil and a magnetic stir bar to a 125-mL Erlenmeyer flask, and place the flask on a magnetic stirring plate. Add 2–3 mL of methanol and up to three drops of concentrated sulfuric acid Perform this step with caution, as this is a strong acid! Immerse a thermometer into the reaction...
Unoor (vrtci) = MHCI V NaOH (Corrected for blank) na-2.0 Vw.nu added Experiment 9: Conversion of an Alcohol to an Alkyl Halide st Lab Questions: t-amyl chloride 1) A student leaves his product sitting with the bicarbonate solution in the separatory tunnel and so to go eat a snack for 30 minutes. When they get back they no longer have two layers. Explain. Aqueous sodium bicarbonate was used to wash the crude t-pentyl chloride. a. What was the purpose of...
2. When using the separatory funnel you may have observed a oily emulsion between the aqueous and DCM layers. What components of tea are responsible for this emulsion? How can one minimize the size of the emulsion layer? 3. How does adding the anhydrous sodium sulfate to the dichloromethane solution remove water? 4. If the above step was omitted in the isolation procedure, how would this be reflected in the yield of caffeine? 5. A student used 8.23 g of...
Why did you wash the ether solution with sodium bicarbonate? Write chemical equations for the reactions that took place. b. At which purification steps was the unreacted methanol removed in the reaction? Some of it may have been removed in more than one place. c. Three-Step Synthesis of Methyl Anisate (Step 3) 0 CHOH. Н.so, cat.) Wear gloves. Methanol is poisonous. Ether is an anesthetic, so don't breathe it. Sulfuric acid is a strong corrosive acid. Wash any you spill...
Propose another way of synthesizing NMP from the amino ketone
hydrochloride salt starting material you used.
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4- chlorobenzotrifluoride and 30 mL of dimethylacetamide (DMA) 2. With stirring, add to this mixture 30 mL of 1.0 M potassium tert-butoxide (caustic alkali!) in tert-butyl alcohol using a syringe 3. Using a simple distillation apparatus,...
SYNTHESIS OF T-PENTYL CHLORIDE LAB
Provide a stoichiometry table for the reaction being performed
in this lab.
PROCEDURE Preparation oft-Pentyl Chloride In a 125-mL separatory funnel, place 10.0 mL of tert-pentyl alcohol (2-methyl-2- butanol, MW = 88.2, d = 0.805 g/mL) and 25 mL of concentrated hydrochloric acid (d 1.18 g/mL). Do not stopper the funnel. Gently swirl the mixture in the separa- tory funnel for about 1 minute. After this period of swirling, stopper the separatory funnel and carefully...
9. Then add slowly while mixing 1 mL of saturated sodium bicarbonate solution (NaHCO3) -IT WILL BUBBLE! Add additional drops of saturated sodium bicarbonate solution with mixing until no additional bubbling occurs Congratulations! You have just made your first ester. Now you want to separate your ester product from the other stuff in the reaction mixture. CTQ3 Sodium bicarbonate is a base. How will it interact with any carboxylic acid molecules still present in your reaction mixture? 10. Add 1mL...
MSISTRY 203-204 Grganic Chemistry Lab Manual 3 4 EXPERIMENT #9 The Preparation of t Butyl Chloride A tertiary carbonium ion is more rapidly formed than a secondary or primary carbonium ion. Once formed, a tertiary carbonium ion is stabilized by charge dispersal to a greater extent than a secondary or primary carbonium ion. It therefore has a longer life expectancy. Primary carbonium ions, protons, may exist in solution only in solvated form have any free existence, they dehydration reaction and...
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