What is Iron(III) oxide?

Fe2O3 is an not natural compound through a chemical surname Iron(III) oxide. It is also known as Hematite or Red iron oxide. This compound occurs normally in rocks of every ages. It shows up as a Red-brown solid. That is odorless. It has a pH worth of 7.

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Production that Iron(III) oxide:

Iron(III) oxide is a product derived from the oxidation that iron. In laboratories, it is all set by electrolyzing salt bicarbonate solution, one inert electrolyte, along with an stole anode.

\(4Fe+3O_2+2H_2O\)→\( 4FeO ( O H)\)

The deriving character language iron(III) oxide, which is written below as Fe(O)OH, dehydrates at roughly 200 °C. The reaction is as follows:

\(2FeO ( O H)\)→\( Fe_2O_3+H_2O\)

Properties that Iron(III) oxide – Fe2O3

Fe2O3Iron(III) oxide
Molecular Weight/ Molar Mass159.69 g/mol
Density5.242 g/cm³
Boiling PointDecomposes
Melting Point1475°C – 1565°C

Iron(III) oxide structure – Fe2O3


The over image explains the structure of the Iron(III) oxide. Fe2O3 is the chemical formula of Iron(III) oxide which has actually three oxygen atoms, 2 iron atoms. The oxidation state that Fe2O3 is +3. The shortcut formation in between oxygen and iron counts on the distinction in electronegativity in between these 2 atoms. Iron(Fe) is steel whereas oxygen(O2) is non-metal. Therefore, such bonds are dubbed an Ionic bond.


2 stole atoms3 oxygen atoms

Chemical reaction:

Carbothermal reduction – palliation of steel oxides with a reducing certified dealer such together carbon in ~ a temperature selection of number of hundred degrees Celsius. The reaction is together follows:\(Fe_2O_3+3CO\rightarrow 2Fe+3CO_2\)Exothermic thermite reaction through aluminum –

The reaction is together follows:

\(2Al+Fe_2O_3\rightarrow 2Fe+Al_2O_3\)

Uses the Iron(III) oxide (Fe2O3)

Iron(III) oxide is used as a feedstock in the production of iron.It is offered as a pigment. Example: colours Brown 6 and also Pigment Red 101It is supplied in cosmetics.It is offered in dental composites.It is critical ingredient in calamine lotion.It is supplied to apply the last polish ~ above metallic jewelry.It is used in the magnetic disk and also magnetic tapes.

Iron(III) oxide wellness hazards – If inhaled, iron causes irritation in the gastrointestinal tract and also lungs.

Frequently request Questions

What are the supplies of ferric oxide?

Ferric oxide (Fe2O3) is offered in paints and coatings, inks, plastics, rubber products and glass together a colours and/or UV blocking agent. It is additionally used together a sprucing up agent because that glass, diamonds and also precious metals. This compound also finds use as a component in magnets, together a dental abrasive, and as a procedure regulator or catalyst in the manufacture of various other products.

How is Fe2O3 formed?

Iron (III) oxide, or ferric oxide, is the product the is formed when iron experience oxidation. This deserve to be ready in the activities by electrolyzing a salt bicarbonate solution, one inert electrolyte, with an stole anode. The result hydrated iron(III) oxide, is dehydrated at approximately 200 °C.

Is ferric oxide acidic or basic?

Ferric oxide, also known as iron(III) oxide, is one amphoteric oxide of iron through the chemical formula Fe2O3. It have the right to be detailed that oxides of iron, aluminium, and tin, are all amphoteric chemical types – they exhibit both acidic and basic qualities.

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Learn more about the chemical properties and importance the Fe2O3 native the experienced faculties in ~ BYJU’S.