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Why is the ester hydrolysis slow at the ...

Why is the ester hydrolysis slow at the beginning and becomes faster after some time?

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The correct Answer is:
Hydrolysis of ester produces acid and alcohol.
'RCOOR' + `H_2O hArr` RCOOH+R'OH'
The acid produced in the hydrolysis act as catalyst for the reaction and so the inceases. The is called autocatalysis.
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