The rate constant (K) for the reaction: 2A + B - Products, was found to be 2.58 × 10^-5 l mol^-1 s^-1 after 15 s, 2.59 × 10^-5 l mol^-1 s^-1 after 30 s and 2.57 × 10^-5 l mol^-1 s^-1 after 50 s. The

Question

The rate constant (K) for the reaction: 2A + B -> Products, was found to be 2.58 × 10^-5 l mol^-1 s^-1 after 15 s, 2.59 × 10^-5 l mol^-1 s^-1 after 30 s and 2.57 × 10^-5 l mol^-1 s^-1 after 50 s. The overall order of the reaction is

Prashant Kotian · Accepted Answer

Correct answer: C. The unit of the rate constant (L mol^-1 s^-1) corresponds to a second-order reaction. Since the rate constant remains constant over time, the overall reaction order is 2.

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