Copper(II) Peroxide

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Copper(II) peroxide is an inorganic chemical with the formula CuO2. It is a unstable compound that easily decomposes.

Synthesis
Copper(II) peroxide can be made in numerous ways including the reaction of cold hydrogen peroxide withschwizer's reagent with no excess ammonia.

Another method involves the reaction of creating copper(II) peroxide involves mixing a 0 °C with a suspension of copper(II) hydroxide.

This method of cold reaction with a suspension works with copper(II) Oxide as well.

When drying copper(II) peroxide the temperature must remain below 6 °C or else it will decompose. Once dry, the temperature of the molecule can be raised above this level.

Reactions
Copper(II) peroxide decomposes into copper oxides and oxygen when heated.