What Is Rate-Determining Step

question 6

Multiple Choice

What is rate-determining step?

• A) It is the slowest elementary step that dominates the rate law and speed of the reaction.
• B) It is the first step in the mechanism that determines the direction of reaction.
• C) It is any step that leads to an unstable reaction intermediate.

---

Definitions:

Coefficient Of Determination

A statistical measure that determines the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

SSE

The aggregate of error squares, being the difference between model estimates and observed data, showing how well a model fits.

Least Squares Method

The method used to develop the estimated regression equation. It minimizes the sum of squared residuals (the deviations between the observed values of the dependent variable, yi, and the predicted values of the dependent variable, ŷi).