What is Iron(III) oxide?

Fe2O3 is an inorganic compound with a chemical name Iron(III) oxide. It is likewise known as Hematite or Red iron oxide. This link occurs naturally in rocks of all ages. It shows up as a Red-brown solid. It is odorless. It has actually a pH worth of 7.

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Production that Iron(III) oxide:

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

(4Fe+3O_2+2H_2O)→( 4FeO ( O H))

The deriving sign language iron(III) oxide, i beg your pardon is written here as Fe(O)OH, dehydrates at roughly 200 °C. The reaction is as follows:

(2FeO ( O H))→( Fe_2O_3+H_2O)

Properties the 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 describes the framework of the Iron(III) oxide. Fe2O3 is the chemical formula the Iron(III) oxide which has actually three oxygen atoms, two iron atoms. The oxidation state that Fe2O3 is +3. The bond formation in between oxygen and iron counts on the difference in electronegativity in between these two atoms. Iron(Fe) is steel whereas oxygen(O2) is non-metal. Therefore, together bonds are called an Ionic bond.


2 iron atoms3 oxygen atoms

Chemical reaction:

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

The reaction is as follows:

(2Al+Fe_2O_3 ightarrow 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 provided as a pigment. Example: colours Brown 6 and also Pigment Red 101It is supplied in cosmetics.It is provided in dentist composites.It is an important ingredient in calamine lotion.It is provided to apply the final polish on metallic jewelry.It is supplied in the magnetic disk and magnetic tapes.

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

Frequently request Questions

What space the supplies of ferric oxide?

Ferric oxide (Fe2O3) is supplied in paints and also coatings, inks, plastics, rubber products and glass as a pigment and/or UV blocking agent. The is additionally used together a sprucing up agent for 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 produce of various other products.

How is Fe2O3 formed?

Iron (III) oxide, or ferric oxide, is the product that is created when iron undergoes oxidation. This can be all set in the activities by electrolyzing a sodium bicarbonate solution, one inert electrolyte, v an stole anode. The result hydrated iron(III) oxide, is dehydrated at about 200 °C.

Is ferric oxide acidic or basic?

Ferric oxide, likewise known as iron(III) oxide, is one amphoteric oxide of iron with the chemistry formula Fe2O3. It deserve to be detailed that oxides that iron, aluminium, and tin, space all amphoteric chemical types – they exhibit both acidic and basic qualities.

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Learn an ext about the chemical properties and importance of Fe2O3 indigenous the experienced faculties in ~ BYJU’S.