Why is CF3COOH a product of mixed acid anhydride and not CH3-COOH?

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I think the basis of what you are asking is that in a reaction of the mixed anhydride

CF3COOOCCH3

the "leaving group" will be CF3COO^-, not CH3COO^-. The reason for this that CF3COO^- is a weaker base and, therefore, a better leaving group than is CH3COO^-....Show more