Magnesium peroxide

Magnesium peroxide is a chemical compound with the chemical formula .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertic

Magnesium peroxide

Magnesium peroxide is a chemical compound with the chemical formula MgO2. This compound contains magnesium and peroxide ions. Its molar mass is around 56.304 g/mol. It is used to release oxygen gas when it reacts with water or moisture just like calcium peroxide.

Preparation

It is made when magnesium oxide reacts with hydrogen peroxide to make magnesium peroxide and water. This reaction usually occurs around 30 °C to 40 °C.[1]

The balanced chemical equation is:
MgO + H2O2 → MgO2 + H2O

Reactions with magnesium peroxide

When magnesium peroxide reacts with water, it slowly makes magnesium hydroxide, and hydrogen peroxide which decomposes to water and oxygen gas.

The first step balanced chemical equation is:
MgO2 + 2H2O → Mg(OH)2 + H2O2
The second step balanced chemical equation is:
2H2O2 → 2H2O + O2
  1. ↑ Shand, Mark A. (2006-05-31). The Chemistry and Technology of Magnesia. Wiley. doi:10.1002/0471980579.

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