In the gas phase, two butadiene molecules can dimerize to give larger molecules according to the rea β Chemical Kinetics Chemistry Question
Question
In the gas phase, two butadiene molecules can dimerize to give larger molecules according to the reaction: 2C4H6(g) -> C8H12(g). The rate law for this reaction is, r = K [C4H6]^2 with K = 6.1 Γ 10^-2 l mol^-1 s^-1 at the temperature of reaction. The rate of formation of C8H12, when the concentration of C4H6 is 0.02 M, is
Answer: A
π‘ Solution & Explanation
The rate of formation of C8H12 is given by d[C8H12]/dt = K [C4H6]^2 = (6.1 Γ 10^-2) * (0.02)^2 = 6.1 Γ 10^-2 * 4 Γ 10^-4 = 2.44 Γ 10^-5 M s^-1.
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