A reaction A + B → C is experimentally observed to satisfy the rate law, rate = k[A][B]. Which of the following statements is true? A) The reaction is 2nd-order overall, the reaction is 1st-order with respect to A and B and the units of the rate constant are s⁻¹ B) The reaction is 2nd-order overall, the units of the rate constant are l/(mol.s) and the reaction is an elementary process. C) The reaction is 2nd-order with respect to B, the units of the rate constant are l/(mol.s) and the reaction is not an elementary process. D) The reaction is 2nd-order with respect to B, the units of the rate constant are s⁻¹ and the reaction is an elementary process.

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