Question # ( mathrm{CH}_{3} mathrm{COOC}_{2} mathrm{H}_{5}(mathrm{aq})+mathrm{H}_{2} mathrm{O}((ℓ)) stackrel{mathrm{H}^{+}(mathrm{ag})}{longrightarrow} mathrm{CH}_{3} mathrm{COOH}(mathrm{aq})+mathrm{C}_{2} mathrm{H}_{5} mathrm{OH} )

# ( mathrm{CH}_{3} mathrm{COOC}_{2} mathrm{H}_{5}(mathrm{aq})+mathrm{H}_{2} mathrm{O}((ℓ)) stackrel{mathrm{H}^{+}(mathrm{ag})}{longrightarrow} mathrm{CH}_{3} mathrm{COOH}(mathrm{aq})+mathrm{C}_{2} mathrm{H}_{5} mathrm{OH} )

What type of reaction is this?

A Unimolecular elementary

B Pseudo first order

( mathrm{}C quad ) Zero order

D Second order

Solution

This is a Pseudo 1st order rex⁴ as water is present in excess with ester os reactants.

(ryer) to class - XII, Ch-Chemicals Kinetics, Topic- Pseudo rex⁴