What is Iron(III) oxide?

Fe2O3 is an inorganic compound through a chemical surname Iron(III) oxide. The is also known as Hematite or Red iron oxide. This compound occurs naturally in rocks of every ages. It appears as a Red-brown solid. It is odorless. It has a pH value of 7.

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Production that Iron(III) oxide:

Iron(III) oxide is a product acquired from the oxidation the iron. In laboratories, the is all set by electrolyzing salt bicarbonate solution, an inert electrolyte, together with an iron anode.

\(4Fe+3O_2+2H_2O\)→\( 4FeO ( O H)\)

The deriving hydrated iron(III) oxide, i m sorry is written below as Fe(O)OH, dehydrates at around 200 °C. The reaction is together follows:

\(2FeO ( O H)\)→\( Fe_2O_3+H_2O\)

Properties of 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 framework – Fe2O3


The over image describes the framework of the Iron(III) oxide. Fe2O3 is the chemical formula of Iron(III) oxide which has three oxygen atoms, two iron atoms. The oxidation state of Fe2O3 is +3. The link formation between oxygen and iron depends on the difference 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 – reduction of steel oxides v a reducing agent such as carbon at a temperature selection of numerous hundred levels Celsius. The reaction is together follows:\(Fe_2O_3+3CO\rightarrow 2Fe+3CO_2\)Exothermic thermite reaction with aluminum –

The reaction is together follows:

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

Uses of Iron(III) oxide (Fe2O3)

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

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

Frequently request Questions

What space the provides of ferric oxide?

Ferric oxide (Fe2O3) is used in paints and also coatings, inks, plastics, rubber products and also glass together a colours and/or UV blocking agent. The is likewise used as a polishing agent for glass, diamonds and precious metals. This compound additionally finds use as a ingredient in magnets, as a dentist abrasive, and also as a procedure regulator or catalyst in the produce of other products.

How is Fe2O3 formed?

Iron (III) oxide, or ferric oxide, is the product that is developed when iron undergoes oxidation. This deserve to be all set in the activities by electrolyzing a sodium bicarbonate solution, one inert electrolyte, through an stole anode. The resulting hydrated iron(III) oxide, is dehydrated at roughly 200 °C.

Is ferric oxide acidic or basic?

Ferric oxide, additionally known together iron(III) oxide, is one amphoteric oxide that iron through the chemical formula Fe2O3. It can be provided that oxides that iron, aluminium, and tin, room all amphoteric chemical types – they exhibit both acidic and an easy qualities.

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Learn more about the chemistry properties and also importance that Fe2O3 native the skilled faculties in ~ BYJU’S.