In the experiment borohydride reduction , using 2.0g of benzophenone, a student obtained 1.6g of filtered material. Calculate the percentage yield and comment on whether this represents the true yield of the reaction product diphenylmethanol.
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In the experiment borohydride reduction , using 2.0g of benzophenone, a student obtained 1.6g of filtered material. Calculate the percentage yield and comment on whether this represents the true yield of the reaction product diphenylmethanol.
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- Develop a methodology to calculate the yield of the reaction (grams of acetylsalicylic acidproduced) based on the mass of salicylic acid used in the experimentDevelop a numbered procedure for the fischer esterification of butyric acid and ethanol including moles, grams, and volume used for all reactants and show how many grams you are expected to produce (show calculations). What will be the IR peaks expected?What is the theoretical yield and limiting reagent for the reaction of benzophenone with sodium borohydride to form diphenyl methanol as described in the experiment provided if you begin with 1.75g of benzophenone in 25 mL of 95% ethanol and add 0.75 g of sodium borohydride portion wise over 45 minutes?
- In a distribution coefficient experiment; Which of the following organic solvents can be used in this experiment: ethanol, acetone, diethyl ether, methylene chloride, propanoic acid, acetonitrile? Explain your answerWrite the equations for the acid-base reactions involved in this experiment. Clearly show the reactants and products for each chemical equation. Experiment: seperation of caffeine and benzoic acid by acid-base extraction Things used in lab: -solid mixture of caffeine and benzoic acid -40mL of dichloromethane -20mL of 1.0 M NaOH -magnesium sulfate as drying agent for caffeine isolation -3.00 M HCl for recovery of benzoic acidIn a Grignard reaction, 1.4555 g phenyl bromide, 10. g carbon dioxide, 0.5734 g magnesium filings, and 30.2 mL of 6M HCl were used but only 573 mg of benzoic acid were isolated after recrystallization? what was the percent yield for the overall process? Give the answer to the nearest whole number please
- We want to extract terpenoids from an aqueous sample by continuous liquid-liquid extraction. Which of the following solvents is not suitable for this purpose? Why? Propanone (acetone), dichloromethane, heptane.The procedure for the synthesis of menthone indicates that you should use 10 cm³ of 6M sulphuric acid. Suppose that only sulphuric acid with concentration 1.5M is available in the laboratory. What volume in cubic centimetres of this solution do you need to add to the reaction mixture to replace the solution originally specified?Suppose we start with 3.0g of contaminated benzoic acid. After recrystallisation we end up with 2.3g of pure benzoic acid. What is the percentage recovery of the experiment?
- Given that Grignard reaction used 1.4555 g of phenyl bromide 10 g of carbon dioxide , 0.5734 g of magnesium fillings, and 30.2 mL of 6M HCl, but has 573 mg of benzoic acid after isolation and recrystallization. What was the percent yield for the overall process? Round to the nearest hundreth.This experiment is the Separation of a mixture of 3-nitroaniline, Benzoic acid, and naphthalene using an acid-base separation extraction technique What properties of the three compounds in this experiment allow you to use the above technique to separate them?Why are you asked to use multiple portions of the solvent at the extraction steps?Why are you asked not to discard any solvents until you have obtained your products?Cis-3-hexene and trans-3-hexene can be separated and analyzed using GC without injecting an equimolar standard to a high accuracy. Explain why that is the case for these two compounds while we had to inject an equimolar solution for our experiment