Chemistry A-Level
Clock reaction
What Clock reaction means in Chemistry A-Level, as defined for OCR.
Definition of Clock reaction
Check what you remember
Read the wording for your board, then hide it and explain Clock reaction in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A common example of an initial-rate method in which reactants are mixed and the time taken for a visible change is measured.
Topics that use Clock reaction
- Use of apparatus and techniques (OCR A-Level)
Related terms
- Calculating and interpreting the titre
- Cation tests with sodium hydroxide
- Collecting data over time to determine rate
- Condenser water flow and safety
- Continuous monitoring method
- Controlling variables to isolate concentration effects
- Correct reading technique for scales
- drying agents
Using Clock reaction in the exam
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