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in Chemical Kinetics by (79.0k points)
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Acid hydrolysis of sucrose is a

(a) pseudo first order reaction

(b) zero order reaction

(c) second order reaction

(d) unimolecular reaction.

1 Answer

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Best answer

Correct option  (a) pseudo first order reaction

Explanation:

It is an example of pseudo unimolecular reaction where molecularity  ≥ 2 but order of reaction is one.

Rate = k[Sugar] [H2O]

In the reaction, water is present in excess and its concentration is taken to be constant, thus the reaction becomes independent of [H2O] and is pseudo first order.

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