In a reaction mechanism, if the slow step is A + B -> C, what can be inferred

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Question: In a reaction mechanism, if the slow step is A + B -> C, what can be inferred about the overall rate law?

Options:

Correct Answer: Rate = k[A][B]

Solution:

The rate of the overall reaction is determined by the slowest step, which in this case is A + B -> C, leading to the rate law Rate = k[A][B].

In a reaction mechanism, if the slow step is A + B -> C, what can be inferred about the overall rate law?

In a reaction mechanism, if the slow step is A + B -> C, what can be inferred about the overall rate law?

Step 1: Identify the slow step in the reaction mechanism. In this case, the slow step is A + B -> C.
Step 2: Understand that the rate of the overall reaction is determined by the slowest step.
Step 3: Write the rate law based on the reactants in the slow step. Since A and B are the reactants, the rate law will include their concentrations.
Step 4: Combine the information to form the rate law. The rate law is Rate = k[A][B], where k is the rate constant.

Rate Law Determination – The overall rate law of a reaction is determined by the slowest step in the reaction mechanism.
Elementary Steps – Elementary steps in a reaction mechanism directly contribute to the rate law based on their stoichiometry.