For a reversible reaction with a one-step mechanism, A B , the rate of the forward reaction is ratef = 3.2 × 10−6 s−1 [A] and the rate of the reverse reaction is rater = 4.6 × 10−4 s−1 [B]. What is the value of Kc for this reaction?

For a reversible reaction with a one-step mechanism, A B , the rate of the forward reaction is ratef = 3.2 × 10−6 s−1 [A] and the rate of the reverse reaction is rater = 4.6 × 10−4 s−1 [B]. What is the value of Kc for this reaction?



a. 2.5 × 10−11
b. 7.0 × 109
c. 7.0 × 10−3
d. 1.4 × 102
e. 1.5 × 10−9


Answer: c. 7.0 × 10−3


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