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What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?

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What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?

(a) k [CH3COOC2H5]

(b) k [CH3COOC2H5] [H2O]

(c) k [CH3COOC2H5]^2

(d) k

The question was asked in examination.

I'd like to ask this question from Rate of a Chemical Reaction topic in portion Chemical Kinetics of Chemistry – Class 12

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Right answer is (a) k [CH3COOC2H5]

The best I can explain: Acid hydrolysis of ester, CH3COOC2H5 + H2O → CH3COOH + C2H5OH

The order of the reaction may be altered sometimes by taking reactant in excess compared to the other.

The rate law R= k [CH3COOC2H5] [H2O] however water is present in excess.

So, R= k [CH3COOC2H5].

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