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19-09-2021
Chemistry

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What is the role of manganese dioxide in the preparation of oxygen gas in the laboratory?

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19-09-2021

Answer:

The manganese dioxide is a catalyst. That means it speeds up the decomposition reaction of H2O2 → H2O + O2.

Explanation:

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19-09-2021

The manganese dioxide is a catalyst. That means it speeds up the decomposition reaction of H2O2 → H2O + O2. Also, being a catalyst,manganese dioxide is not consumed or chemically altered during the reaction. ... a1) Take a photo of your setup while it is producing oxygen.

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