What is Iron(III) oxide?

Fe2O3 is an not natural compound via a chemical name Iron(III) oxide. It is also known as Hematite or Red iron oxide. This compound occurs normally in rocks of all periods. It appears as a Red-brown solid. It is odorless. It has a pH value of 7.

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Production of Iron(III) oxide:

Iron(III) oxide is a product obtained from the oxidation of iron. In laboratories, it is all set by electrolyzing sodium bicarbonate solution, an inert electrolyte, in addition to an iron anode.

(4Fe+3O_2+2H_2O)→( 4FeO ( O H))

The deriving hydrated iron(III) oxide, which is created right here as Fe(O)OH, dehydrates at about 200 °C. The reaction is as 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 above photo describes the framework of the Iron(III) oxide. Fe2O3 is the chemical formula of Iron(III) oxide which has three oxygen atoms, 2 iron atoms. The oxidation state of Fe2O3 is +3. The bond formation in between oxygen and also iron relies on the difference in electronegativity between these two atoms. Iron(Fe) is steel whereas oxygen(O2) is non-steel. Because of this, such bonds are dubbed an Ionic bond.


2 iron atoms3 oxygen atoms

Chemical reaction:

Carbothermal reduction – Reduction of metal oxides through a reducing agent such as carbon at a temperature variety of a number of hundred degrees Celsius. The reaction is as follows:(Fe_2O_3+3CO ightarrowhead 2Fe+3CO_2)Exothermic thermite reaction via aluminum –

The reactivity is as follows:

(2Al+Fe_2O_3 ightarrow 2Fe+Al_2O_3)

Uses of Iron(III) oxide (Fe2O3)

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

Iron(III) oxide health perils – If inhaled, iron reasons irritation in the gastrointestinal tract and also lungs.

Frequently Asked Questions

What are the provides of ferric oxide?

Ferric oxide (Fe2O3) is used in paints and coatings, inks, plastics, rubber products and also glass as a pigment and/or UV blocking agent. It is also supplied as a polishing agent for glass, diamonds and also precious metals. This compound likewise finds usage as a component in magnets, as 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 that is developed when iron undergoes oxidation. This can be ready in the laboratory by electrolyzing a sodium bicarbonate solution, an inert electrolyte, with an iron anode. The resulting hydrated iron(III) oxide, is dehydrated at approximately 200 °C.

Is ferric oxide acidic or basic?

Ferric oxide, additionally known as iron(III) oxide, is an amphoteric oxide of iron with the chemical formula Fe2O3. It deserve to be noted that oxides of iron, aluminium, and tin, are all amphoteric chemical species – they exhibit both acidic and fundamental characteristics.

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Discover more around the chemical properties and prestige of Fe2O3 from the experienced faculties at BYJU’S.