What is a decomposition reaction?


In a decomposition reaction, a single reactant decomposes to form a number of products. A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products.

The general representation of decomposition reaction is

AB → A + B


  • AB = Reactant
  • A and B = Product molecules

Decomposition Reaction


H2CO3 → H2O + CO2

Articles to Explore:

  1. What are some examples of decomposition reactions?
  2. What is the electrolytic decomposition? Give two uses of an electrolytic decomposition reaction.

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