Tungsten tetrabromide (WBr4) and tungsten hexabromide (WBr6) have some differences in chemical properties.
Oxidation state: The oxidation state of tungsten in tungsten tetrabromide is +4, while the oxidation state of tungsten in tungsten hexabromide is +6. This means that tungsten hexabromide is more prone to redox reactions in chemical reactions than tungsten tetrabromide.
Chemical stability: Tungsten hexabromide is more chemically stable than tungsten tetrabromide. Tungsten tetrabromide is prone to hydrolysis reaction when in contact with water in the air, while tungsten hexabromide is relatively stable and not easily affected by water or air.
Reactivity: Tungsten hexabromide is highly oxidizing and acidic, and can react with many substances, including organic and inorganic substances. Tungsten tetrabromide has relatively low reactivity, but can still react with some reducing agents and electrophiles.
Reaction type: Tungsten hexabromide can be used as oxidizing agent, halogenating agent and catalyst. It is commonly used in oxidation reactions and halogenation reactions in organic synthesis. The application of tungsten tetrabromide is less, but it can be used in some specific chemical reactions.
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