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i need help with post questions, thanks Product Isolation After stirring the reaction for 5 minutes...
A Grignard reaction was performed using the following steps: Step 1: Addition of Grignard Reagent: Phenyl Magnesium Bromide a solution of phenyl magnesium bromide (2.7 mL of a 3.0 M solution in anhydrous diethyl ether) and 5 mL of anhydrous diethyl ether was dispensed into the round-bottom flask and stirred with a stir bar. Step 2: Addition Formation: Reaction with Benzophenone A solution of 0.72 g (mp = 48-49 degrees C) of benzophenone and 2.0 mL of anhydrous diethyl ether...
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...
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...
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...
QUESTIONS TO ANSWER: Prepare a table of all chemicals used with the structure and purpose of each. Calculate the theoretical yield by finding limiting reactant of the experiment by converting reactants to product (remember to show all calculations used) Calculate the percent yield using the limiting reactant Calculate the Rf for triphenylmethanol. If there are two dots, determine which one is triphenylmethanol.. ( I did not provide data. Please let me know how I Would do this if I did)...
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...
please find the purpse, Discussion, conclusion un 27 Phoenix June 20 8:10 PM a 35AEXPERIMENT 35A Triphenylmethanol PROCEDURE ether MgBr+ C-OH + MgBr(OH) OMgBr 0 Addct Addition of Benzophenone While the phenylmagnesium bromide solution is being heated and stirred under reflux, make a solution of 1.09 g benzophenone in 2 mL of anhrudrous ether in a 5-mL conical vial. Cap the vial until the reflux period is over. Once the Grignard reagent is cooled to room temperature, draw some of...
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...
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...
Organic chemistry post-lab question: "Why is important to add the alkyl halide dropwise in your reaction? (Hint: your reaction is not heated, but you still need a water-cooled condenser!)" Please answer in detail! Here is a copy of the experiment, thank you! The Grignard reaction is an important synthetic process by which a carbon-carbon bond is formed. Magnesium metal is first reacted with an organic halide. The resultant organo-magnesium halide (Grignard reagent) is then combined with a carbonyl compound, ultimately...