oxides

How Do Oxides Function as Catalysts?

Oxides function through various mechanisms, including:
- Redox Reactions: Transition metal oxides can readily switch between oxidation states, facilitating electron transfer processes. For example, manganese dioxide (MnO₂) is commonly used in oxidation reactions.
- Acid-Base Catalysis: Oxides like zirconia (ZrO₂) exhibit acid or base properties, which can catalyze reactions such as esterification and transesterification.
- Photocatalysis: Titanium dioxide (TiO₂) is widely used in photocatalytic applications, where it absorbs light to generate electron-hole pairs that drive chemical reactions.

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