Question

What is a rate-determining step?

   What is a rate-determining step?

Chemistry: The Molecular Nature of Matter

Chemistry: The Molecular Nature of Matter

Neil D. Jespersen,… 7th Edition

Chapter 13, Problem 41

Instant Answer

Solved by Expert David Collins

07/27/2021

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These are the individual steps that make up the overall reaction. Each elementary process has its own rate. Show more…

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What is a rate-determining step?

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Key Concepts

Activation Energy

Activation energy is the energy barrier that must be overcome for reactants to convert into products in an elementary step. In multi-step reactions, the step with the highest activation energy typically slows down the entire reaction, making it the rate-determining step.

Rate-Determining Step

This is the slowest step in a multi-step reaction mechanism, serving as the bottleneck that controls the overall reaction rate. The characteristics of this step, particularly its high activation energy, dictate how quickly the overall reaction can proceed.

Reaction Mechanism

A reaction mechanism is the detailed sequence of individual steps, each with its own rate, that together describe how a chemical reaction takes place. Understanding these steps helps in identifying the rate-determining step within the overall process.

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