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#07. Below is a table listing the quantities of reagents needed for the Grignard synthesis of...
[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....
The synthesis of triphenylmethanol via the grignard reaction is given by the following equation (below): A...
The synthesis of triphenylmethanol via the grignard reaction is
given by the following equation (below):
A student decides to perform the above reaction. She starts with
200 mg of bromobenzene (M.W. = 157) and uses 45 mg of Mg (M.W. =
24.3) and 0.36 g of benzophenone (M.W. = 182).
a. Calculate the limiting reagent
b. Calculate the theoretical yield of triphenylmethanol (M.W. =
260.3)
c. She obtains 0.172 grams of of the product. What is her actual
yield?
d....
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...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
. Grignard Reagents and As (Addition, Nucleophil ic) Additions Magnesium metal spontaneously reduces organohalides via...
.
Grignard Reagents and As (Addition, Nucleophil ic) Additions Magnesium metal spontaneously reduces organohalides via a succession transfers. This results in the Grignard 'insertion reaction, as proposed in the 1920s single electron Procedure t was only Part A: Preparation of the Glassyware and Magnesium successful in ether solvents, and failed utterly n hydrocarbons such as benzene. 1. The Grignard reagent camot form in the presence of water, and any water that it comes Mg (solid) into contact with immed iately...
please answer the prelab excercise:) I tried doing it but I did not get very far Experiment 7: Grignard Reactio...
please answer the prelab excercise:) I tried doing it but I did not
get very far
Experiment 7: Grignard Reaction. Introduction Discovered by French chemist Victor Grignard, the reaction that now bears his name is an example of the preparation of an organometallic reagent. In this lab, phenylmagnesium bromide is the Grignard of interest, and it will be added to an aldehyde to produce an alcohol. Lab Objectives 1. To study organometallic reagents in general. benzophenone. 2. To prepare phenylmagnesium...
[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....
The synthesis of triphenylmethanol via the grignard reaction is
given by the following equation (below):
A student decides to perform the above reaction. She starts with
200 mg of bromobenzene (M.W. = 157) and uses 45 mg of Mg (M.W. =
24.3) and 0.36 g of benzophenone (M.W. = 182).
a. Calculate the limiting reagent
b. Calculate the theoretical yield of triphenylmethanol (M.W. =
260.3)
c. She obtains 0.172 grams of of the product. What is her actual
yield?
d....
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...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
.
Grignard Reagents and As (Addition, Nucleophil ic) Additions Magnesium metal spontaneously reduces organohalides via a succession transfers. This results in the Grignard 'insertion reaction, as proposed in the 1920s single electron Procedure t was only Part A: Preparation of the Glassyware and Magnesium successful in ether solvents, and failed utterly n hydrocarbons such as benzene. 1. The Grignard reagent camot form in the presence of water, and any water that it comes Mg (solid) into contact with immed iately...
please answer the prelab excercise:) I tried doing it but I did not
get very far
Experiment 7: Grignard Reaction. Introduction Discovered by French chemist Victor Grignard, the reaction that now bears his name is an example of the preparation of an organometallic reagent. In this lab, phenylmagnesium bromide is the Grignard of interest, and it will be added to an aldehyde to produce an alcohol. Lab Objectives 1. To study organometallic reagents in general. benzophenone. 2. To prepare phenylmagnesium...
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