1. Explain what will happen to the (i) yield and (ii) purity, of aspirin if the following steps were modified in its synthesis Modification in Step Yield Explanation Using ethanoic acid in lieu of acetic anhydride Changing from phosphoric acid to sulfuric acid Not heating the mixture in forming the ester Washing the recrystallized product with warm ethanol instead of cold water Opting to filter the recrystallized product using only gravity filtration
1. Explain what will happen to the (i) yield and (ii) purity, of aspirin if the following steps were modified in its synthesis Modification in Step Yield Explanation Using ethanoic acid in lieu of acetic anhydride Changing from phosphoric acid to sulfuric acid Not heating the mixture in forming the ester Washing the recrystallized product with warm ethanol instead of cold water Opting to filter the recrystallized product using only gravity filtration
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.21QAP
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