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Why is the reaction mixture extracted with sodium bicarbonate? Give an equation and explain its relevance.

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter59: Preparation Of A C-4 Or C-5 Acetate Ester

Section: Chapter Questions

Problem 2Q

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Why is the reaction mixture extracted with sodium bicarbonate? Give an equation and explain its relevance.

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a) From this flow chart, which acid is extracted when sodium bicarbonate is used as an extraction solvent? Explain, use knowledge of pKa, why this acid is extracted as opposed to the other acid present. b) What would be the end results if you first extract with NaOH, and then with NaHCO3? c) What would be the results after the addition of HCl to the NaOH extract and the NaHCO3 extracts?