The rate constant is numerically the same for first-, second- and third-order reactions, respectively. Which one is true for rate of three reactions, if concentration of reactant is lesser than 1 M?

Question

Prashant Kotian · Accepted Answer

Correct answer: B. Let reactant concentration be C < 1 M. r1 = K*C, r2 = K*C^2, r3 = K*C^3. Since C < 1, we have C > C^2 > C^3. Since K is numerically equal, K*C > K*C^2 > K*C^3 => r1 > r2 > r3.

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