The rate expression for the reaction A(g) + B(g)→C(g) is rate = kA2B12.What changes in the initial concentrations of A and B will cause the rate of reaction to increase by a factor of eight?
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answer is B.
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Detailed Solution
Rate = K[A]2[B]½I. When [A] = [B] = 1 R1 = KII. Given R2 = 8KIt is possible only when [A] = 2; [B] = 4R2 = K[2]2[4]½; R2 = 8K