Catalysts for the thermal decomposition of potassium chlorate

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Try this demonstration to investigate the effectiveness of various catalysts for the decomposition of potassium chlorate. Includes kit list and safety instructions.

In this practical, students observe as potassium chlorate(V) is heated using various oxide catalysts until enough oxygen is produced to light a glowing splint. By noting the time taken for the evolution of oxygen, students can compare the effectiveness of the different catalysts.

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