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1. Why was extraction by both acid AND base necessary to arrive at highly purified benzoic acid?
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- 1. Occasionally, a crossed Cannizzaro reaction is carried out to reduce benzaldehyde derivatives to the corresponding benzyl alcohol, utilizing formaldehyde as the reducing agent. i) Please show the mechanism by which this occurs.Assuming you are a chemist and you need to extract ethanolic acid in a benzene solution. Propose and briefly discuss how to extract the ethanolic acid in the benzene solution. Include the reactions involved in each step, if any.Define Separation of benzoic acid and cyclohexanol by an extractionprocedure ?
- 2. Outline an extraction procedure by which you would separate a mixture of the following three compounds to the three separated individual components. You have available any common organic solvents and laboratory reagents that you may need. of NH2 ÇOOH NH2Give introduction about Acid/Base Extraction.Q2) Write a reaction for the following, with explanation. part 1) Dimethyl ketone with Hydrogen cyanide (HCN) part2) Preparation of M. nitro chlorobenzene from benzene, using nitric acid Sulfuric acid, Chlorine, AICI, and any reagent you need. part3) Solvation of ethylene epoxide in acidic medium
- Provide a forward synthesis for parts a and b. Using retrosynthetic analysis could help.How to separate phenol from a mixture of benzoic acid and phenol by extraction?Discuss in an essay the three proofs for the identification of Unknown in the chemicals Test for Qualitative Tests for carbonyls and Unknown carbonyl leading to the final result of Unknown which is Benzaldehyde. Give greater hierarchy details and specific reasons for Benzaldehyde as Unknown. Explain why benzaldehyde is the result for identification in the chemicals Test for Qualitative Tests for carbonyls and Unknown carbonyl.
- Draw a flow chart show how you would extract the following three compounds by extraction. H₂C-CH3 H₂N ढे OHBriefly explain why it is necessary to recrystallize during a synthesis.Give an explanation, why the acidity of these phenolic derivatives give these pKa value? Describe it by using the electronic effect on the acidity.