The weight of triphenylmethanol is 0.060g
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The weight of triphenylmethanol is 0.060g
QUESTIONS 1. (4 Points) What is the theoretical yield (in...
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...
I need help finding the theoretical yield (in grams) of triphenyl methanol product in this experiment....
I need help finding the theoretical yield (in grams) of
triphenyl methanol product in this experiment. PLEASE SHOW WORK, I
would like to learn the steps.
below is pictures of the procedure with amounts of chemicals
used
126 Experiment 10 EXPERIMENTAL PROCEDURE All glassware used in a Grignard reaction must be scrupulously dried, Dry the following glasstare in an af 110°C for at last 20 mini drying to Canadair 8 ml comical rial 5 ml con vial, air cond glass...
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...
EXPERIMENT S: THE GRIGNARD REACTION Pre-lab assignments are found at the end of the lab manual...
EXPERIMENT S: THE GRIGNARD REACTION Pre-lab assignments are found at the end of the lab manual Review the sections in Chapter 10 in the textbook dealing with organometalic reagents. As will be evident in this and chapters, Grignard reagents play a commanding role in organic synthesis, adaptable to the preparation of a large ater variety of functional systems, and comprise one of the major uses of alkyl halides. This experiment involves a synthesis diphenylmethanol using phenylmagnesium bromide and benzaldehyde Reaction...
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...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the prelab 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....
using pictures and a maximum of 10 words, explain why an oven-dried 5-ml conical vial and...
using pictures and a maximum of 10 words, explain why an oven-dried
5-ml conical vial and drying tube(step 1 and 2 of part 1) are used
in the reaction. do both please! also the notebook pages are the
procedure
(1) Using pictures and a maximum of 10 words, explain why an oven-dried 5-ml conical vial and drying tube (step 1 and 2 of Part 1) are used in the reaction. (2) After the addition of benzophenone to the mixture of...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic Chemistry Lab) Questions 1. Explain the...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic
Chemistry Lab)
Questions
1.
Explain the reaction mechanism and why each reagent was used.
2. Explain the need for 2 different drying agents
3. Use
IR stretches and melting point determination to explain your
results.
4.
Report sources of error.
Experiment Procedure
Assemble the reaction apparatus as shown in Figure 14.2a,
consisting of a 3.0 mL conical vial charged with 4-t-
butylcyclohexanone (amount calculated in pre-lab) and methanol (100
μL). Attach the air condenser...
i need help with post questions, thanks Product Isolation After stirring the reaction for 5 minutes...
i need help with post questions, thanks
Product Isolation After stirring the reaction for 5 minutes and allowing the reaction mixture to cool (the reaction can be exothermic), remove the Claisen head from the conical vial. Slowly add 3 M HCl(aq) drop-wise. The solid may need to be broken up with a stirring rod or a pipet. Continue to add acid until the aqueous phase (bottom layer) tests positive with pH paper. Extractions can be done using the conical funnel...
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....
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...
I need help finding the theoretical yield (in grams) of
triphenyl methanol product in this experiment. PLEASE SHOW WORK, I
would like to learn the steps.
below is pictures of the procedure with amounts of chemicals
used
126 Experiment 10 EXPERIMENTAL PROCEDURE All glassware used in a Grignard reaction must be scrupulously dried, Dry the following glasstare in an af 110°C for at last 20 mini drying to Canadair 8 ml comical rial 5 ml con vial, air cond glass...
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...
EXPERIMENT S: THE GRIGNARD REACTION Pre-lab assignments are found at the end of the lab manual Review the sections in Chapter 10 in the textbook dealing with organometalic reagents. As will be evident in this and chapters, Grignard reagents play a commanding role in organic synthesis, adaptable to the preparation of a large ater variety of functional systems, and comprise one of the major uses of alkyl halides. This experiment involves a synthesis diphenylmethanol using phenylmagnesium bromide and benzaldehyde Reaction...
i need help with the prelab 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....
using pictures and a maximum of 10 words, explain why an oven-dried
5-ml conical vial and drying tube(step 1 and 2 of part 1) are used
in the reaction. do both please! also the notebook pages are the
procedure
(1) Using pictures and a maximum of 10 words, explain why an oven-dried 5-ml conical vial and drying tube (step 1 and 2 of Part 1) are used in the reaction. (2) After the addition of benzophenone to the mixture of...
NaBH4(Sodium Borohydride) Reduction of Ketone (Organic
Chemistry Lab)
Questions
1.
Explain the reaction mechanism and why each reagent was used.
2. Explain the need for 2 different drying agents
3. Use
IR stretches and melting point determination to explain your
results.
4.
Report sources of error.
Experiment Procedure
Assemble the reaction apparatus as shown in Figure 14.2a,
consisting of a 3.0 mL conical vial charged with 4-t-
butylcyclohexanone (amount calculated in pre-lab) and methanol (100
μL). Attach the air condenser...
i need help with post questions, thanks
Product Isolation After stirring the reaction for 5 minutes and allowing the reaction mixture to cool (the reaction can be exothermic), remove the Claisen head from the conical vial. Slowly add 3 M HCl(aq) drop-wise. The solid may need to be broken up with a stirring rod or a pipet. Continue to add acid until the aqueous phase (bottom layer) tests positive with pH paper. Extractions can be done using the conical funnel...
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....
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