calculate both the theoretical and percent yields.
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calculate both the theoretical and percent yields.
OH 1) PhMgCl ob 052 2) H3O+ benzophenone triphenylmethanol...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this experiment? Assume you have collected 0.15 g of triphenylmethanol. Br 2 Mg Ether MgBr 1) PhCO2CH3 2) HCI 2 2 Ph3COH + CH3OH Figure 10.1. The stoichiometry of a Grignard reaction. Br MgBr 2 1) 2 Mg Ether 2 2) PhCO2CH3 i MgBr OCH3 Ph Ph Ph CH30 + Benzophenone, III II Ph - MgBr OH MgBr 3) HCI Ph Ph Ph Ph Ph...
please calculate the theoretical yield and the percent yield!! RESULTS Mass of triphenylmethanol -__0.10 9 Theoretical...
please calculate the theoretical yield and the percent
yield!!
RESULTS Mass of triphenylmethanol -__0.10 9 Theoretical yield triphenylmethyl = bromide Mass of product = 0.149 (triphenylmethyl bromide) 9 Percent yield Melting point of product = 150.3 °C CALCULATIONS e triphenylmethanol x Imol triphenylmethanol x Imol triphenylmethyl bromide v 323.23g triphenylmethylbromide 260.33g triphenylmethanol 1 mol triphenyl methanol 1 mol triphenylmethyl bromide
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....
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this...
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
Grignard Reaction with a Ketone: Triphenylmethanol Introduction: The purpose of this lab is to prepare phenylmagnesium...
Grignard Reaction with a Ketone: Triphenylmethanol Introduction: The purpose of this lab is to prepare phenylmagnesium bromide, a Grignard reagent, and react it with benzophenone to give triphenylmethanol. Grignard reagents are very reactive and must be synthesized in an environment free of water or any other source of potential proton donor. Once made, the Grignard reagent will do a nucleophilic attack on the carbonyl carbon of the ketone, benzophenone. The result is an alkoxide that is then protonated to give...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this...
What is the theoretical yield (in grams) and percent yield of
your triphenylmethanol product in this experiment?
Assume that you have collected 0.15g of Triphenylmethanol for
the question.
Reaction Set Up ---- ALL glassware NEEDS to be DRY!!! Anhydrous CaCl2 -Drying tube 53 mg Mg turnings Claisen adapter + 2 mL anhydrous ether + 260 ul bromobenzene Air condenser Stir until reaction amber. Heat slowly to reflux for 10 min. Cool the reaction in ice bath for 5 min. Use...
2. Calculate the theoretical and percent vields of your reaction, showing your calculate step by step....
2. Calculate the theoretical and percent vields of your reaction, showing your calculate step by step. What is the limiting reagent in this reaction? Show your answers with the correct number of significant figures. Make sure to calculate separate theoretica three starting materials: trans-stilbene, 48% HBr and 30% H202. to calculate separate theoretical yields for all 15 mL + 2 HBr + H20, 95% Ethanol 0.5 mL 0.5mL 0.2599 0.316g 186
What is the theoretical yield and the percent yield of this Grignard reaction which converts phenyagnesiumbromide...
What is the theoretical yield and the percent yield of this
Grignard reaction which converts phenyagnesiumbromide into
triphenylmethanol?
actual yield of final product is 0.00958grams
also would the limiting reagent be magnesium??
Reagent Amountured maghlesinm 51.4 mg Bromo benzene 4.10.2 2 mg methyl benzoatel 141.5 mg
Grignard RXN: Please help me with percent yield! Is it 1:1 (ketone:alcohol)? We used 0.129g fo...
Grignard RXN: Please help me with percent yield! Is it 1:1
(ketone:alcohol)?
We used 0.129g fo benzophenone and 0.658 mL of
phenylmagnesium
Our actual yield was 0.0694g
1) PhMgCI :OH Ph| Phi Ph Ph Phi benzophenone triphenylmethanol Reaction of PhMgCl chloride with benzophenone.
The weight of triphenylmethanol is 0.060g QUESTIONS 1. (4 Points) What is the theoretical yield (in...
The weight of triphenylmethanol is 0.060g
QUESTIONS 1. (4 Points) What is the theoretical yield (in grams) and percent yield of your triphenyl- methanol product in this experiment? EXPERIMENTAL PROCEDURE All glassware used in a Grignard reaction must be scrupulously dried. Dry the following glassware in an oven at 110°C for at least 20 minutes: drying tube, Claisen adapter, 8 mL conical vial, 5 mL conical vial, air condenser, glass stirring rod, and a magnetic spinvane. DO NOT PLACE O-RINGS...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this experiment? Assume you have collected 0.15 g of triphenylmethanol. Br 2 Mg Ether MgBr 1) PhCO2CH3 2) HCI 2 2 Ph3COH + CH3OH Figure 10.1. The stoichiometry of a Grignard reaction. Br MgBr 2 1) 2 Mg Ether 2 2) PhCO2CH3 i MgBr OCH3 Ph Ph Ph CH30 + Benzophenone, III II Ph - MgBr OH MgBr 3) HCI Ph Ph Ph Ph Ph...
please calculate the theoretical yield and the percent
yield!!
RESULTS Mass of triphenylmethanol -__0.10 9 Theoretical yield triphenylmethyl = bromide Mass of product = 0.149 (triphenylmethyl bromide) 9 Percent yield Melting point of product = 150.3 °C CALCULATIONS e triphenylmethanol x Imol triphenylmethanol x Imol triphenylmethyl bromide v 323.23g triphenylmethylbromide 260.33g triphenylmethanol 1 mol triphenyl methanol 1 mol triphenylmethyl bromide
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....
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
What is the theoretical yield (in grams) and percent yield of
your triphenylmethanol product in this experiment?
Assume that you have collected 0.15g of Triphenylmethanol for
the question.
Reaction Set Up ---- ALL glassware NEEDS to be DRY!!! Anhydrous CaCl2 -Drying tube 53 mg Mg turnings Claisen adapter + 2 mL anhydrous ether + 260 ul bromobenzene Air condenser Stir until reaction amber. Heat slowly to reflux for 10 min. Cool the reaction in ice bath for 5 min. Use...
2. Calculate the theoretical and percent vields of your reaction, showing your calculate step by step. What is the limiting reagent in this reaction? Show your answers with the correct number of significant figures. Make sure to calculate separate theoretica three starting materials: trans-stilbene, 48% HBr and 30% H202. to calculate separate theoretical yields for all 15 mL + 2 HBr + H20, 95% Ethanol 0.5 mL 0.5mL 0.2599 0.316g 186
What is the theoretical yield and the percent yield of this
Grignard reaction which converts phenyagnesiumbromide into
triphenylmethanol?
actual yield of final product is 0.00958grams
also would the limiting reagent be magnesium??
Reagent Amountured maghlesinm 51.4 mg Bromo benzene 4.10.2 2 mg methyl benzoatel 141.5 mg
Grignard RXN: Please help me with percent yield! Is it 1:1
(ketone:alcohol)?
We used 0.129g fo benzophenone and 0.658 mL of
phenylmagnesium
Our actual yield was 0.0694g
1) PhMgCI :OH Ph| Phi Ph Ph Phi benzophenone triphenylmethanol Reaction of PhMgCl chloride with benzophenone.
The weight of triphenylmethanol is 0.060g
QUESTIONS 1. (4 Points) What is the theoretical yield (in grams) and percent yield of your triphenyl- methanol product in this experiment? EXPERIMENTAL PROCEDURE All glassware used in a Grignard reaction must be scrupulously dried. Dry the following glassware in an oven at 110°C for at least 20 minutes: drying tube, Claisen adapter, 8 mL conical vial, 5 mL conical vial, air condenser, glass stirring rod, and a magnetic spinvane. DO NOT PLACE O-RINGS...
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