Question

why is the ester hydrolysis slow in the beginning and becomes faster after sometime ?​

Answer 1

Answer:

In ester hydrolysis, an acid and alcohol are formed as the products. For example, Acid will release H+ ions in solution which act as catalyst (auto-catalysis) for the reaction. That is why, the hydrolysis is slow in the beginning and becomes faster later on.

Answer 2

Answer:

Initially, the reaction is slow but after some time the reaction is fast because of the acid produced, act as a catalyst for this reaction. These type of reaction known as auto-catalysis.

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