Chemistry A-Level
evidence for mechanism
What evidence for mechanism means in Chemistry A-Level, as defined for AQA.
Definition of evidence for mechanism
Check what you remember
Read the wording for your board, then hide it and explain evidence for mechanism in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The rate equation is a window into the mechanism, but it is evidence consistent with one rather than proof of a single unique mechanism.
Topics that use evidence for mechanism
- Determination of rate equation (A-level only) (AQA A-Level)
Related terms
- Constant half-life
- continuous monitoring
- deriving the rate equation
- iodine clock
- multi step mechanisms
- orders and molecularity
- rate against concentration graphs
- Rate-determining step
Using evidence for mechanism in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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