Rate-determining step
What Rate-determining step means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of Rate-determining step
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Reference: OCR
The slow step, whose reactants must be the species named in the rate equation, with their orders.
The slowest step in a multi-step reaction mechanism, which limits the overall rate of reaction.
The slowest step of a multi step reaction, which the reaction goes no faster than.
The slowest step of a multi-step reaction, which controls the overall rate.
The slowest step of a mechanism, which controls the overall rate.
The slowest step in a multi-step reaction mechanism, which governs the overall rate.
Topics that use Rate-determining step
- Determination of rate equation (A-level only) (AQA A-Level)
- Rate equations (A-level only) (AQA A-Level)
- How fast? (OCR A-Level)
Related terms
- Constant half-life
- continuous monitoring
- Order of reaction
- Overall order
- Rate equation
- rate of reaction
- units of k
- zero, first and second order
Using Rate-determining step in the exam
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