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Show the synthetic transformation to be performed in the experiment in the space below. What is...
[No Subject] Me to Aisha OsanyinpejuSent The synthesis of 1,1-diphenylethanol via the grignard reaction is given...
[No Subject]
Me to Aisha OsanyinpejuSent
The synthesis of 1,1-diphenylethanol via the grignard
reaction is given by the following equation (below):
A student decides to perform the above reaction. She
starts with 0.32ml of bromobenzene (M.W. = 157) and uses 0.0072g of
Mg (M.W. = 24.3) and 0.23ml of acetophenone (M.W. = 120.15).
a. Calculate the limiting reagent
b. Calculate the theoretical yield of
1,1-diphenyethanol
c. She obtains 0.172 grams of of the product. What is
her actual yield?
d....
Draw an arrow pushing mechanism and find the theoretical yield for the Grignard reaction below using...
Draw an arrow pushing mechanism and find the theoretical yield
for the Grignard reaction below using the following amounts of
reagent with the given molecular weights:
565 microliters of 2-bromopropane (molecular weight =
123g/mol)
304 microliters of 4-methoxybenzaldehyde (molecular weight =
136.15g/mol)
molecular weight of product = 180.27g/mol
The
limiting reagent is _____________.
In this experiment, you will prepare the Grignard reagent isopropyl-magnesium bromide from 2-bromopropane. You will allow this Grignard reagent to react with 4-methoxy-benzaldehyde to form a secondary...
Error Analysis Questions for Alum Synthesis Experiment 1. After collecting the alum product from the synthetic...
Error Analysis Questions for Alum Synthesis Experiment 1. After collecting the alum product from the synthetic experiment, a chemist calculates a percent yield of 108.9%. What does this suggest regarding the purity of the resulting two possible reasons for such a high percent yield. 2. Assuming the sulfuric acid (H SO.) added is insufficient to fully react with all of the Al(OH),, how would this affect the theoretical yield of alum. Discus your reasoning in the context of limiting reagents
Please answer 2 through 5 2) Fill in the reaction table below. Make sure you correctly...
Please answer 2 through 5
2) Fill in the reaction table below. Make sure you correctly calculate the molar amounts (mol.-eq.) of your reactive materials name ormulamol.-eq mo ensi romobenzend C6H5Br | magnesium Mg C13H10 70 0.15 g 1.09 g HCI (6M) HC -6.0 m product H 3) Calculate the theoretical yield of your product, i.e. the mass you would expect to recover (assuming 100% conversion to product). Show your work. 4)Grignard reactions are particularly sensitive to water, and are...
I did an experiment where I synthesized 2-phenyl-2-propanol using the grignard reaction. please help me answer these lab questions Reagents Moles of Reagent 0.00142 moles (0.224 g)bromoben...
I did an experiment where I synthesized
2-phenyl-2-propanol using the grignard reaction. please help me
answer these lab questions
Reagents Moles of Reagent 0.00142 moles (0.224 g)bromobenzene 0.00712 mol (0.173 g) 2 mL of THF (n/a moles) tetrahydrofuran 0.00142 mol (0.083g, 0.11mL) acetone, HPLC grade, anh Reagent Name FW 157.75 24.31 n/a 58 Comments Mg powder grind before using must be anhydrous must be anhydrous Pre-Lab Assignment: 1. Determine the volume (mL) of bromobenzene needed for the experiment. Obtain the...
#07. Below is a table listing the quantities of reagents needed for the Grignard synthesis of...
#07. Below is a table listing the quantities of reagents needed for the Grignard synthesis of benzhydrol (3). Use this information to determine the theoretical yield of 3 in grams. Note: This computation requires that you determine the limiting reagent. + Mg Et, Reagent MgBr Mg H OH Quantity Molar Mass Used (8) L /mol) 3.40 24.31 24. 01 157.01 120.15 n/a 198.26 18.4 2) acid work-up CH,
i need help on question 1 to 4 1. What is the difference between a simple...
i need help on question 1 to 4
1. What is the difference between a simple ion and a complex lon? Give an example (not listed in this experiment) of each. 2. What do we typically call the portion of a synthetic reaction in which we are focused on isolating the pure compound from the reaction mixture? 3. What determines the theoretical yield of any reaction? 4. Consider the following reaction: 2A + B + 3C + D (MM(A) =...
Stoichiometry of KClO3 Answer 3, 4, 6-9 Experiment 5: Stoichiometry of KCIO, Data Sheet g/mol FW...
Stoichiometry of KClO3
Answer 3, 4, 6-9
Experiment 5: Stoichiometry of KCIO, Data Sheet g/mol FW (Formula Weight) of O2 g/mol FW (Formula Weight) of KCIO3 00 Part 1 1. 31.562 2. 32.489 Mass of test tube and MnO2 00 Mass of test tube, MnO2 and KCIO3 00 Mass of KCIO Moles of KCIO3 5. 32.173 Mass of test tube after heating Mass of Oz evolved 0 mol Moles of Oz evolved (experimental yield) mol Theoretical yield of O2 in...
Write the product and a complete arrow-pushing mechanism and propose (the) major product(s) for the following...
Write the product and a complete arrow-pushing mechanism and propose (the) major product(s) for the following transformation. After a Grignard reaction. .... Each of the Grignard reactions we have studied so far produces an alcohol as the major organic product. Alcohols can be used as starting materials for a number of organic reactions. Use this exercise to consider the range of reactions that can be performed after a Grignard reaction. For each reaction sequence below, suggest a Grignard reagent and...
Question 2&3 Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to...
Question 2&3
Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to the Diels-Alder reaction Based on the amount of cyclopentadiene you used, how many grams is this? 2. The cyclopentadiene collected from the retro-Diels-Alder reaction must be kept cooled and used fairly soon. Why? 3. 159 Experiment 9 Cycloadditions: The Dieis-Alder Reaction Lab Report: Experiment 9 Preparation of the Adduct Molecular Weight Reagent Grams Moles 6l6-105 0.076 0.05l Cyclopentadiene S1 maleic Anhydride Maleic anhydride The...
[No Subject]
Me to Aisha OsanyinpejuSent
The synthesis of 1,1-diphenylethanol via the grignard
reaction is given by the following equation (below):
A student decides to perform the above reaction. She
starts with 0.32ml of bromobenzene (M.W. = 157) and uses 0.0072g of
Mg (M.W. = 24.3) and 0.23ml of acetophenone (M.W. = 120.15).
a. Calculate the limiting reagent
b. Calculate the theoretical yield of
1,1-diphenyethanol
c. She obtains 0.172 grams of of the product. What is
her actual yield?
d....
Draw an arrow pushing mechanism and find the theoretical yield
for the Grignard reaction below using the following amounts of
reagent with the given molecular weights:
565 microliters of 2-bromopropane (molecular weight =
123g/mol)
304 microliters of 4-methoxybenzaldehyde (molecular weight =
136.15g/mol)
molecular weight of product = 180.27g/mol
The
limiting reagent is _____________.
In this experiment, you will prepare the Grignard reagent isopropyl-magnesium bromide from 2-bromopropane. You will allow this Grignard reagent to react with 4-methoxy-benzaldehyde to form a secondary...
Error Analysis Questions for Alum Synthesis Experiment 1. After collecting the alum product from the synthetic experiment, a chemist calculates a percent yield of 108.9%. What does this suggest regarding the purity of the resulting two possible reasons for such a high percent yield. 2. Assuming the sulfuric acid (H SO.) added is insufficient to fully react with all of the Al(OH),, how would this affect the theoretical yield of alum. Discus your reasoning in the context of limiting reagents
Please answer 2 through 5
2) Fill in the reaction table below. Make sure you correctly calculate the molar amounts (mol.-eq.) of your reactive materials name ormulamol.-eq mo ensi romobenzend C6H5Br | magnesium Mg C13H10 70 0.15 g 1.09 g HCI (6M) HC -6.0 m product H 3) Calculate the theoretical yield of your product, i.e. the mass you would expect to recover (assuming 100% conversion to product). Show your work. 4)Grignard reactions are particularly sensitive to water, and are...
I did an experiment where I synthesized
2-phenyl-2-propanol using the grignard reaction. please help me
answer these lab questions
Reagents Moles of Reagent 0.00142 moles (0.224 g)bromobenzene 0.00712 mol (0.173 g) 2 mL of THF (n/a moles) tetrahydrofuran 0.00142 mol (0.083g, 0.11mL) acetone, HPLC grade, anh Reagent Name FW 157.75 24.31 n/a 58 Comments Mg powder grind before using must be anhydrous must be anhydrous Pre-Lab Assignment: 1. Determine the volume (mL) of bromobenzene needed for the experiment. Obtain the...
#07. Below is a table listing the quantities of reagents needed for the Grignard synthesis of benzhydrol (3). Use this information to determine the theoretical yield of 3 in grams. Note: This computation requires that you determine the limiting reagent. + Mg Et, Reagent MgBr Mg H OH Quantity Molar Mass Used (8) L /mol) 3.40 24.31 24. 01 157.01 120.15 n/a 198.26 18.4 2) acid work-up CH,
i need help on question 1 to 4
1. What is the difference between a simple ion and a complex lon? Give an example (not listed in this experiment) of each. 2. What do we typically call the portion of a synthetic reaction in which we are focused on isolating the pure compound from the reaction mixture? 3. What determines the theoretical yield of any reaction? 4. Consider the following reaction: 2A + B + 3C + D (MM(A) =...
Stoichiometry of KClO3
Answer 3, 4, 6-9
Experiment 5: Stoichiometry of KCIO, Data Sheet g/mol FW (Formula Weight) of O2 g/mol FW (Formula Weight) of KCIO3 00 Part 1 1. 31.562 2. 32.489 Mass of test tube and MnO2 00 Mass of test tube, MnO2 and KCIO3 00 Mass of KCIO Moles of KCIO3 5. 32.173 Mass of test tube after heating Mass of Oz evolved 0 mol Moles of Oz evolved (experimental yield) mol Theoretical yield of O2 in...
Write the product and a complete arrow-pushing mechanism and propose (the) major product(s) for the following transformation. After a Grignard reaction. .... Each of the Grignard reactions we have studied so far produces an alcohol as the major organic product. Alcohols can be used as starting materials for a number of organic reactions. Use this exercise to consider the range of reactions that can be performed after a Grignard reaction. For each reaction sequence below, suggest a Grignard reagent and...
Question 2&3
Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to the Diels-Alder reaction Based on the amount of cyclopentadiene you used, how many grams is this? 2. The cyclopentadiene collected from the retro-Diels-Alder reaction must be kept cooled and used fairly soon. Why? 3. 159 Experiment 9 Cycloadditions: The Dieis-Alder Reaction Lab Report: Experiment 9 Preparation of the Adduct Molecular Weight Reagent Grams Moles 6l6-105 0.076 0.05l Cyclopentadiene S1 maleic Anhydride Maleic anhydride The...
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