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In the grignard reaction, preparation of triphenylcarbinol, what is the melting point in this experiment?
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- In the grignard reaction, preparation of triphenylcarbinol, what is the objective in this experiment?The grignard reaction, preparation of triphenylcarbinol, what is the purpose of this experiment and conclusion.What is the purpose of the grignard reaction, preparation of triphenylcarbinol experiment.
- 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?why it is not a good idea to use dichloromethane as a solvent in Grignard reactions.Give two reasons why a water bath can and must be used during the recrystallisation during the synthesis of Benzoien?
- We used to perform this experiment using diethylether or THF as the reaction solvent. We now use DCM, which has similar solvent properties. Give a practical reason for the change to DCM2. Calculate the percent yield step if you start with 2.687 g of salicylic acidwith excess of acetic anhydride and the amount of aspirin obtained was 2.301 g. 3. Explain why acetic acid is unlikely to be a contaminant in your solid aspirin. 4. If you measured the melting point of the solid product from this experiment andobtained a melting range of 122-128 °C, what does this tell you? 5. Aspirin that has been stored for a long time and gives a purple color with FeCl3 (Tests for Functional Groups). What reaction would cause this to happen?why acetic acid used as solvent in analysis of riboflavin instead of deionized water? explain
- In the attached reaction experiment, dur the conversion of vanillin to dehydrozingerone multiple color changes occur. (colorless to yellow to deep red back to yellow) Explain what causes these color shifts. Be sure to include the appropriate chemical structures as part of your answer.Provide the balanced reaction for this experiment.After the recrystallization of triphenylmethanol, the product of the Grignard reaction, considering that the percentage yield is less than 100% what is a possible systemic error that affected the product during recrystallization?