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Chemical formula of rust

The Chemical formula of rust is Fe2O3.xH2O.

Characteristics of rust

Properties Detail
Chemical formula Fe2O3.nH2O
Color Reddish-brown
Texture Rough and brittle
Composition A mixture of iron oxides and hydroxides
Density 5.24 g/cm³
Solubility Insoluble in water
Electrical conductivity Not  a good conductor of electricity
damaging characteristics can corrode structural integrity and damage  metal surfaces.
Prevention can be avoided by using corrosion-resistant materials or providing a protective coating.

 

Reaction of rust with Alkaline Earth Metal

Alkaline Earth Metal Reaction
Magnesium (Mg) Fe2O3 + 2Mg react and convert into  2Fe + MgO
Calcium (Ca) No reaction
Strontium (Sr) No reaction
Barium (Ba) No reaction

Reaction of rust withTransition Metal

Transition Metal Reaction
Copper (Cu) Cu + Fe2O3 react and convert into  CuO + 2FeO
Chromium (Cr) 4Cr + 3Fe2O3 react and convert into  2Cr2O3 + 3Fe2O3
Manganese (Mn) 3Mn + 2Fe2O3 react and convert into  3MnO + Fe2O3
Cobalt (Co) Co + Fe2O3 react and convert into  CoO + 2FeO
Nickel (Ni) Ni + Fe2O3 react and convert into  NiO + 2FeO
Zinc (Zn) Zn + Fe2O3 react and convert into  ZnO + 2FeO

Reaction of rust with Non-Transition Metal

Non-Transition Metal Reaction
Carbon (C) Fe2O3 + 3C react and convert into  2Fe + 3CO
Silicon (Si) Fe2O3 + 2Si react and convert into  2Fe + SiO2
Aluminum (Al) 2Al + Fe2O3 react and convert into  Al2O3 + 2Fe

 

Reaction of rust with Non-Metal Element

Non-Metal Element Reaction
Hydrogen (H) Fe2O3 + 3H2 react and convert into  2Fe + 3H2O
Carbon (C) Fe2O3 + 3C react and convert into  2Fe + 3CO
Nitrogen (N) 4Fe + 3N2 react and convert into  2Fe3N4
Sulfur (S) Fe2O3 + 3S react and convert into  2FeS + 3SO2

 

Reaction of rust with Lanthanide Element

Lanthanide Element Reaction
Cerium (Ce) 2Ce + 3Fe2O3 react and convert into  2CeO2 + 6FeO
Praseodymium (Pr) 2Pr + 3Fe2O3 react and convert into  2PrO2 + 6FeO
Europium (Eu) 2Eu + 3Fe2O3 react and convert into  2Eu2O3 + 6FeO
Gadolinium (Gd) 2Gd + 3Fe2O3 react and convert into  2Gd2O3 + 6FeO

 

Reaction of rust with Actinide Element

Actinide Element Reaction
Uranium (U) 3U + 4Fe2O3 react and convert into  3UO2 + 8FeO
Plutonium (Pu) 2Pu + 3Fe2O3 react and convert into  2PuO2 + 6FeO
Americium (Am) 2Am + 3Fe2O3 react and convert into  2AmO2 + 6FeO
Curium (Cm) 2Cm + 3Fe2O3 react and convert into  2CmO2 + 6FeO

 

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