PLEASE HELP, THANKS! Using the information provided in the background and introduction section of this lab...
PLEASE HELP, THANKS!
Using the information provided in the background and introduction section of this lab as a guide, write out the chemical reactions that took place during the following steps. Use the correct Full structural formula (draw the bonds) of all chemical species you include in the reaction equation.
1. Addition of 5 mL 1M HCl to the solution of the three component mixture in ethyl acetate. (2 pts)
2. Addition of 5 mL saturated NaHCO3 to organic layer A. (2 pts)
3. Addition of saturated NaHCO3 to the HCl wash. (2 pts)
4. Addition of HCl to the NaHCO3 wash. (2 pts)
CONTENTS OF 3 COMPONENT MIXTURE INCLUDE: Benzoic Acid, 4-chlorobenzaldehyde, and 4-chloroanaline.
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PLEASE HELP, THANKS!
Using the information provided in the background and
introduction section of this lab...
PLEASE HELP, THANKS! Using the information provided in the background and introduction section of this lab as a guide, w...
PLEASE HELP, THANKS! Using the information provided in the background and introduction section of this lab as a guide, write out the chemical reactions that took place during the following steps. Use the correct Full structural formula (draw the bonds) of all chemical species you include in the reaction equation. 1. Addition of 5 mL 1M HCl to the solution of the three component mixture in ethyl acetate. (2 pts) 2. Addition of 5 mL saturated NaHCO3 to organic layer...
Need help on providing reactions that describe the acid-base extraction and neutralization processes used in this exper...
Need help on providing reactions that describe the acid-base
extraction and neutralization processes used in this experiment.
Provide a statement of solubility of each starting material and
product.
The experiment to be performed this week involves liquid-liquid extraction using a separatory funnel. Read chapter 15 in Zubrick to familiarize yourself with the use of the glassware for extraction and washing. Acid/Base Extraction Liquid-liquid extraction is a technique that can be used to physically separate two substances that have varying solubility...
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction...
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction on the general process of hydrolysis of nitriles to carboxylic acids. Starting with benzonitrile (shown below), show how it is converted to benzoic acid under basic conditions. N 2) (2 pts) The reaction for the synthesis of benzoic acid via benzonitrile hydrolysis is shown below: 1) NaOH, HO YOH + NaCl 2) HCI, H,0 Benzonitrile Density = 1.0 g/mL MM = 103.04 g/mol Benzoic...
Acid/Base Extraction Liquid-liquid extraction is a technique that can be used to physically separate two substancesthat...
Acid/Base Extraction Liquid-liquid extraction is a technique that can be used to physically separate two substancesthat have varying solubility properties. Typically an aqueous solution can be extracted with anorganic solvent to isolate a compound or vice-versa. The specialized piece of glassware that isemployed for these types of separations is called a separatory funnel.In this experiment a mixture of benzoic acid and naphthalene will be purified using liquid-liquidextraction, more specifically an acid-base extraction. Since both compounds are soluble inethyl acetate (an...
Attached is the lab experiment. Here are the questions I need help with: 1. What is...
Attached is the lab experiment. Here are the questions I need
help with:
1. What is the purpose of each of the following steps in this
experiment?
a. Adding solid NaCl to the reaction mixture
b. Repeated washings with water, sat'd NAHCO3, and brine
c. the pipet column chromatography
2. Which compound, cyclohexanol or cyclohexanone will have a
higher Rf on a TLC plate?
3. What is the advantage of using sodium hypochlorite as an
oxidant over CrO3 or Na2Cr2O7...
i need help with #3 please! SAFETY NOTES: Bromobenene and acetophenone are irritants. Wear gloves and...
i need help with #3 please!
SAFETY NOTES: Bromobenene and acetophenone are irritants. Wear gloves and avoid contact with skin, eyes, and clothing • MHC) is dritating to the skin avoid contact with the skin, eyes, and clothing Diethyl ether, usually referred to simply as "ether", is volatile and flammable. Keep a safe distance from hot electrical devices WASTE DISPOSAL *** A itrate is the liquid that passed through the Hirsch funnel, ending up in the bottom of the sidearm...
I need to make a flowchart for this procedure but I am not sure how to...
I need to make a flowchart for this procedure but I am
not sure how to guide myself.
I was given this procedure which is for Suzuki-Cross
Coupling Reactiob: Synthesis of 4 - acetylbiphenyl, and I need to
make a flowchart. I need help with that.
Experimental Method 1. Place a stir bar in a 100 ml. RB flask filled with a lisen adapter and a reflux condenser, and then d-bromancelephence (1000 ml) photos acid (0.69 55 mmol) and 1-propanol...
can you please help me with this !!! which ever you can is fine, please... thanks...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
Need help understading the results of this lab that's about equilibrium and Le Chatelier's principle Reaults:...
Need help understading the results of this lab that's about
equilibrium and Le Chatelier's principle
Reaults:
(#4) The addition of solid sodium acetate:
turned the solution green
(#5) The addition of NaOH:
turned the solution blue
System IV Acetic acid with bromocresol green indicator 1. Place about 10 drops of 0.1M HCl solution into a well and add one drop of bromocresol green to the well. Save as a color reference. 2. Place about 10 drops of 0.1M NaOH solution...
reaction mixture for 30 min, stirring the mixture rapidly during the process. The start of the...
reaction mixture for 30 min, stirring the mixture rapidly during the process. The start of the reaction is indicated by a slight turbidity of the solution. The mixture may become more turbid as the reaction proceeds and eventually may turn a pale yellow. Allow the reaction mixture to cool to room temperature after the reflux period. Reaction of the Grignard reagent with CO2 :O MgX 1) CO2 (s) 2) HCI OH MgX) magnesium carboxylate complex Grignard reagent substituted benzoic acid...
Need help on providing reactions that describe the acid-base
extraction and neutralization processes used in this experiment.
Provide a statement of solubility of each starting material and
product.
The experiment to be performed this week involves liquid-liquid extraction using a separatory funnel. Read chapter 15 in Zubrick to familiarize yourself with the use of the glassware for extraction and washing. Acid/Base Extraction Liquid-liquid extraction is a technique that can be used to physically separate two substances that have varying solubility...
Experiment 12: Synthesis of Benzoic Acid pre-lab (4 pts) 1 (2 pts) Refer to the introduction on the general process of hydrolysis of nitriles to carboxylic acids. Starting with benzonitrile (shown below), show how it is converted to benzoic acid under basic conditions. N 2) (2 pts) The reaction for the synthesis of benzoic acid via benzonitrile hydrolysis is shown below: 1) NaOH, HO YOH + NaCl 2) HCI, H,0 Benzonitrile Density = 1.0 g/mL MM = 103.04 g/mol Benzoic...
Attached is the lab experiment. Here are the questions I need
help with:
1. What is the purpose of each of the following steps in this
experiment?
a. Adding solid NaCl to the reaction mixture
b. Repeated washings with water, sat'd NAHCO3, and brine
c. the pipet column chromatography
2. Which compound, cyclohexanol or cyclohexanone will have a
higher Rf on a TLC plate?
3. What is the advantage of using sodium hypochlorite as an
oxidant over CrO3 or Na2Cr2O7...
i need help with #3 please!
SAFETY NOTES: Bromobenene and acetophenone are irritants. Wear gloves and avoid contact with skin, eyes, and clothing • MHC) is dritating to the skin avoid contact with the skin, eyes, and clothing Diethyl ether, usually referred to simply as "ether", is volatile and flammable. Keep a safe distance from hot electrical devices WASTE DISPOSAL *** A itrate is the liquid that passed through the Hirsch funnel, ending up in the bottom of the sidearm...
I need to make a flowchart for this procedure but I am
not sure how to guide myself.
I was given this procedure which is for Suzuki-Cross
Coupling Reactiob: Synthesis of 4 - acetylbiphenyl, and I need to
make a flowchart. I need help with that.
Experimental Method 1. Place a stir bar in a 100 ml. RB flask filled with a lisen adapter and a reflux condenser, and then d-bromancelephence (1000 ml) photos acid (0.69 55 mmol) and 1-propanol...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
Need help understading the results of this lab that's about
equilibrium and Le Chatelier's principle
Reaults:
(#4) The addition of solid sodium acetate:
turned the solution green
(#5) The addition of NaOH:
turned the solution blue
System IV Acetic acid with bromocresol green indicator 1. Place about 10 drops of 0.1M HCl solution into a well and add one drop of bromocresol green to the well. Save as a color reference. 2. Place about 10 drops of 0.1M NaOH solution...
reaction mixture for 30 min, stirring the mixture rapidly during the process. The start of the reaction is indicated by a slight turbidity of the solution. The mixture may become more turbid as the reaction proceeds and eventually may turn a pale yellow. Allow the reaction mixture to cool to room temperature after the reflux period. Reaction of the Grignard reagent with CO2 :O MgX 1) CO2 (s) 2) HCI OH MgX) magnesium carboxylate complex Grignard reagent substituted benzoic acid...
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