Eduard-Job-Foundation for Thermo- and Matterdynamics

Experiment 19.5: Catalysis of Acetone Oxidation by Copper

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Procedure:
A red-hot copper coil is fixed over acetone in a beaker.

Observation:
The coil glows with fluctuating intensity and in changing colors from black to light orange. There is also the typical pungent fruity smell of aldehyde.

Explanation:
Acetone is oxidized to acetaldehyde, carbon dioxide and water

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The reaction is heterogeneously catalyzed by copper. The catalytic surface processes are visible by the fluctuating glowing and the changing colors of the copper coil.

Video (mpg4, 0:46)