What is the purpose of the concentrated sulfuric acid used in the acetylation re

Question

What is the purpose of the concentrated sulfuric acid used in the acetylation reaction? 2. Give a possible structure for the polymeric by-product obtained in the reaction. 3. Why is the polymeric by-product not soluble in sodium bicarbonate solution, while salicylic acid itself is soluble? 4. If one were to use 5.0 g of salicylic acid and an excess of acetic anhydride in the above synthesis of aspirin, what would be the theoretical yield of acetylsalicylic acid in moles? In grams? 5 When heated in boiling water, aspirin (acetylsalicylic acid) decomposes to give a solution which gives a positive FeCl_3 test. Why? What is the reaction? Give an equation for the reaction.

Explanation / Answer

1) Sulfuric acid is used as a catalyst to drive the reaction.

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