The rate constant for forward and backward reactions of the hydrolysis of ester are 1 x 10^-2 and 2 x 10^-3 respectively. The equilibrium constant of the reaction is:
Correct answer: C. 5
- A. This is not equilibrium constant. so it will be incorrect.
- B. 4.
- C. 5
- D. 6
Explanation
For a reversible reaction like the hydrolysis of an ester, the equilibrium constant (Kc) can be expressed as the ratio of the rate constants for the forward and backward reactions. The equilibrium constant (Kc) is given by:Kc= kf/kcWhere:kf=1×10−2kb=2×10−3kc=5
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About Chemical Equilibrium
Reversible reactions reach dynamic equilibrium when forward and reverse rates become equal, and Le Chatelier's principle predicts the effect of changing concentration, pressure or temperature. The chapter also covers solubility product, the common ion effect, buffer action and the conditions used in Haber's process, with equilibrium shifts distinguished from changes in the equilibrium constant.
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