The rate constants for the forward and backward reactions of...

The rate constants for the forward and backward reactions of hydrolysis of ester are $1.1 \times 10^{-2}$ and $1.5 \times 10^{-3}$ mol $\mathrm{L}^{-1} \mathrm{~s}^{-1}$ respectively. The equilibrium constant of the reaction, $\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{H}^{+} \rightleftharpoons \mathrm{CH}_{3} \mathrm{COOH}+$ $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}$ is (a) $6.53$ (b) $7.34$ (c) $7.75$ (d) $8.33$

The rate constants for the forward and backward reactions of hydrolysis of ester are $1.1 \times 10^{-2}$ and $1.5 \times 10^{-3}$ mol $\mathrm{L}^{-1} \mathrm{~s}^{-1}$ respectively. The equilibrium constant of the reaction, $\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{H}^{+} \rightleftharpoons \mathrm{CH}_{3} \mathrm{COOH}+$
$\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}$ is
(a) $6.53$
(b) $7.34$
(c) $7.75$
(d) $8.33$

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Key Concepts

Rate Constants

Rate constants quantify the speed of a chemical reaction by expressing the proportionality between the rate of the reaction and the concentration of its reactants. They are a key component in both forward and reverse reaction kinetics, helping to determine how fast a reaction proceeds under given conditions.

Reversible Reactions

Reversible reactions are those where the conversion of reactants to products occurs simultaneously with the conversion of products back to reactants. This dual pathway is critical in understanding how chemical systems reach a state of equilibrium, where the forward and reverse reaction rates balance each other.

Equilibrium Constant

The equilibrium constant is a dimensionless number that indicates the ratio of the concentrations of products to reactants at equilibrium. In the context of reaction kinetics, it is determined by the ratio of the forward and backward rate constants and provides insight into the relative favorability of the reaction's products or reactants at equilibrium.

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