The Chemical Formula of Rust is

By Sakshi Yadav|Updated : August 10th, 2022

The chemical formula of rust is Fe2O3 xH2O and it is a hydrated iron oxide.

  • Corrosion of iron is called rust. 
  • Corrosion is the process by which metals are slowly eroded by gases and water vapor present in the atmosphere due to the formation of certain compounds such as oxides, sulfides and carbonates.
  • Rust is a hydrated iron oxide with chemical formula: Fe2O3 xH2O
  • When iron comes into contact with oxygen while containing moisture (water), a reddish-brown film called rust forms on the surface of the iron. 
  •  A chemical reaction can be expressed as Fe2O3•32H2O,


The Chemical Formula of Rust is

The chemical formula of Rust is Fe2O3 x H2O. Rust is a reddish-brown, scaly layer on the metal. Technically, rust is hydrated iron oxide and prevented by plating, painting, and greasing.

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