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NEET UG 2026 » NEET UG Study Material » Chemistry » Fe2O3
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Fe2O3

Iron oxide, also known as ferric oxide, is an inorganic compound with the chemical formula Fe2O3 that can be found in nature.

Table of Content
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Iron III oxide is one of the most common oxides that you have studied in the previous classes, and it is also one of the most toxic. More in-depth information about this oxide will become available as your class progresses through the ranks. Iron III oxide has the chemical formula Fe2O3. Hematite is a mineral ore that is used to make this pigment. It is mined and then processed in order to obtain iron oxide, which is then used to extract the metal. In Latin, iron is referred to as ferrum. Valency 2 and 3 are the valency of this metal. Ferric is the name given to it when it combines with valency 3 and ferrous when it combines with valency of 2. In this segment, we will learn about Iron Oxide and the chemical properties that it possesses. Ferric Oxide is the chemical name for Fe2O3 according to the International Union of Pure and Applied Chemistry. This oxide occurs in nature in a neutral state due to the fact that the valence electrons are properly balanced in this compound.

Production of Iron(iii) oxide:

Iron(III) oxide can be formed through the oxidation of ferrous metal. Iron(III) oxide is produced in laboratories by electrolyzing sodium bicarbonate solution with an inert electrolyte and an iron anode, which is then evaporated. 4FeO is formed by combining 4Fe, 3O2, and 2H2O. 

4 Fe + 3 O2 + 2 H2O → 4 FeO(OH)

When the hydrated iron(III) oxide is dehydrated at 200°C, it produces iron(III) oxide in addition to the water that was present. The reaction :

2FeO(OH) → Fe2O3 + H2O

Physical properties of Iron (iii) oxide:

Iron(III) oxide is the chemical name for the compound Fe2O3. 

  • It has a molecular weight/molar mass of 159.69 grams per mole of iron(III) oxide.
  •  Iron(III) oxide has a density of 5.242 g/cm3 and is a crystalline substance. When iron(III) oxide is boiled, it decomposes into its constituent elements.
  •  Iron(III) oxide has a melting point between 1475 and 1565 degrees Celsius.

Having a clear and accurate description of the chemical structure, as well as an illustrated image, will assist you in grasping the concept completely. In fact, you will learn how the systematic name for Fe2O3 is determined by the experts in the field of Chemistry. Understand the significance of the name and the process by which it was assigned to this oxide in order to use it in the future. By becoming familiar with the method, you will be able to comprehend and discover how other oxides are named.

Chemical properties of iron (iii) oxide:

Because you are all aware that this is an oxide that is included in the Chemistry chapter that deals with metals, you will need to thoroughly research its chemical properties. On this concept page, you will learn how the experts have perfectly segmented the properties and will see some excellent examples of their work. This elaboration has been written in plain language so that students of all academic backgrounds can comprehend it completely and effectively. Carbothermal reduction is the reduction of metal oxides in the presence of a reducing agent, such as carbon, at temperatures exceeding several hundred degrees Celsius.

Fe2O3 + 3CO →  2Fe + 3CO2

Exothermic thermite reaction with aluminium is as follows:

 2Al + Fe2O3  →  2Fe + Al2O3

Uses of Iron (iii) oxide:

Following your education on the Fe2O3 chemical name and chemical properties, you will move on to the section where you will learn about its applications.

  •  It is used in the production of die inks for stamping.
  •  It is the primary constituent used in a wide range of industries, including the production of pain relievers, plastics, pharmaceutical products, ink, and cosmetics.
  •  It is also used as a natural pigment in a variety of applications. 
  • Iron(III) oxide is used as a feedstock in the production of iron, and it is also used as a catalyst. It has the potential to be used as a pigment. 
  • It has the potential to be used in cosmetics. It has the potential to be used in dental composites. 
  • It has the potential to be a significant component of calamine lotion.
  • It can be used to apply the final polish to metallic jewellery after it has been polished.

Conclusion:

Iron oxide, also known as ferric oxide, is an inorganic compound with the chemical formula Fe2O3 that can be found in nature.

Iron III oxide is one of the most common oxides that you have studied in the previous classes, and it is also one of the most toxic. More in-depth information about this oxide will become available as your class progresses through the ranks. Another section of the chapter has been dedicated to this oxide, so that you can learn more about how it behaves under various physical and chemical conditions. Iron III oxide has the chemical formula Fe2O3, which stands for iron III oxide.

Iron(III) oxide can be formed through the oxidation of ferrous metal.

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Frequently Asked Questions

Get answers to the most common queries related to the NEET UG Examination Preparation.

What exactly is Fe2O3?

Ans: It is formed when iron is oxidised, and it is known as Fe2...Read full

What is the chemical formula for ferric oxide ?

Ans: Ferric Oxide is the chemical formula for ferric oxide (iron 3 oxide). When this metal is used in its valency 3,...Read full

Is iron oxide harmful to human health?

Ans: When you breathe in iron oxide, it will have an effect on you. Iron oxide fumes can cause a fever, which is cau...Read full

Write two uses of Fe2O3?

Ans: (a)It is utilised in the production of die inks for stamping. (b) ...Read full

What is the melting point of Fe2O3?

Ans: Iron(III) oxide has a melting point between 1475 and 1565 degrees Celsius.

Ans: It is formed when iron is oxidised, and it is known as Fe2O3 (iron oxide). It can be found in naturally occurring ores such as hematite. When dissolved in water, it has the properties of a weak alkali. It also responds to acid-base reactions by forming salts with different acids that are specific to that acid.

Ans: Ferric Oxide is the chemical formula for ferric oxide (iron 3 oxide). When this metal is used in its valency 3, the term ‘Ferric’ is used. Its chemical formula is Fe2O3.

Ans: When you breathe in iron oxide, it will have an effect on you. Iron oxide fumes can cause a fever, which is caused by metal fumes, when inhaled. This is a flu-like condition characterised by metallic taste symptoms, high fever and chills, aches, chest tightness, and coughing up blood. 

Ans: (a)It is utilised in the production of die inks for stamping.

(b) It is also used as a natural pigment in a variety of applications.

Ans: Iron(III) oxide has a melting point between 1475 and 1565 degrees Celsius.

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