What happens in a decomposition reaction

A decomposition reaction is when a compound breaks down into elements or smaller compounds.

For example, 2 moles hydrogen peroxide, H2O2, could decompose into 2 moles of water and one mole of oxygen.

2 H2O2 = 2 H2O + O2

-T. B.

It breaks down into multiple elements

Explanation:

A decomposition reaction is a type of chemical reaction in witch a single compound breaks down into two or more elements or new compounds. These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compound