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What is iron rust?

Updated: 4/28/2022
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Dan6972

Lvl 1
16y ago

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Rust is a general term for iron oxides formed by the reaction of iron with oxygen. Several forms of rust are distinguishable visually and by spectroscopy, and form under different circumstances. The chemical composition of rust is typically hydrated iron(III) oxide (Fe2O3.nH2O), and under wet conditions may include iron(III) oxide-hydroxide (FeO(OH)). Rusting is the common term for corrosion of iron and its alloys, such as steel. Although oxidation of other metals is equivalent, these oxides are not commonly called rust. As rust has higher volume than the originating mass of iron, its buildup may force apart adjacent parts - a phenomenon known as rust smacking. The rusting of iron is one of the more widely used examples of corrosion. This electrochemical process requires the presence of water, oxygen and an electrolyte and leads to the formation of hydrated iron oxides.

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Wiki User

15y ago
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Wiki User

16y ago

An iron bar rusts. The iron reacts with oxygen in the air to make rust.

We say that the iron has oxidized. The iron has gone from an oxidation state of zero to usually either iron II or iron III. This may be difficult to remember. The easier way to tell if a half reaction is a reduction or oxidation is to plot the changing ion into the number line. If the oxidation state of the ion goes up the number line, it is an oxidation.

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Related questions

Can graphite rackets rust?

No they will not get rust they are not iron to get rust. only iron get rust.


What is formed when iron combines with oxygen in the air?

Iron reacting with oxygen produces rust, Fe2O3 (Iron (III) oxide) or FeO2 (Iron (II) oxide) depending on the composition of the iron.


Why iron does not rust?

Iron does rust by reacting with oxygen.


Do only iron compounds rust?

Iron compounds do not rust. Iron and its alloys can rust. Although other metals can corrode it is usually only called rust when it is iron that is corroding.


Which liquids rust faster?

Liquids do not rust, iron does, rust is Hydrated Iron (III) oxide, so the only substance which can rust iron is water


What does rust and iron form?

Rust is an iron oxide, Fe2O3.


How is rust produced?

Rust is iron oxide. So when iron oxidizes you get rust. So iron and steel (iron and carbon) are prone to this happening while metal like aluminum well not rust.


Is rust a mineral?

Rust occurs when iron and oxygen meet and the oxygen causes the iron to decay. Yes in a way, rust is the corroded metal iron.


Will soda make iron rust?

soda does not make iron rust ...


Is rust stronger than iron?

It depends on what you mean by "heavier." Rust is less dense than iron. However, if you allow 1 gram of iron to rust completely, you will have more than 1 gram of rust. if we have equal volume of pure iron and rust (ferric oxide) then rust is lighter than iron.


Which element in iron rust?

There is 1 Iron atom and 2 oxogen atoms in Iron rust.


Why is rust different from the iron or oxygen?

Rust is different because, RUST IS MADE UP OF OXYGEN & IRON!!!