Rates of reaction chemistry - Catalysis - Developing Understanding

Topic Sections

Core Idea

Catalysts and activation energy
Decomposition of Hydrogen peroxide
How do catalysts work?

Exploring Understanding

Progression in learning: what you need to know
Experiments to aid understanding; interaction with a catalyst

Developing Understanding

Introduction: Energy profiles with and without catalyst-revisited
Misconceptions about catalysis
The Rochelle Salt experiment
Discussing the activity
Your questions answered

Checking Understanding

Self assessment

Applying Understanding

Catalysts in context

Additional Resources & Activities

Additional Activities and Resources

My record
Acknowledgements

The Rochelle Salt experiment

Rochelle salt experiment

Multimedia stimulus - video clip of the experiment linked below clearning showing pink, green and pink colours. Isolate some of the Co³⁺ compound using a pastuer pipette and put it on ice to show it is a real intermediate compound.