Acid-catalyzed aqueous hydrolysis of ethyl acetate is a textbook example of a pseudo-first-order reaction. Which defining condition structurally forces this bimolecular process to behave as first-orde

Question

Acid-catalyzed aqueous hydrolysis of ethyl acetate is a textbook example of a pseudo-first-order reaction. Which defining condition structurally forces this bimolecular process to behave as first-order?

Prashant Kotian · Accepted Answer

Correct answer: B. Even though two molecules (ester and water) are involved in the rate-determining step, water is the solvent and its concentration is extremely large. Thus, its concentration does not change significantly, merging with the rate constant to form , making it pseudo-first-order.

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