Rusting of iron is an example of:

Reduction

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Ionization

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Oxidation

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Dissociation

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Solution

The correct option is B Oxidation
During rusting, iron gets oxidised to form rust $(F e_{2} O_{3} . x H_{2} O)$ , which is reddish brown in color.

The reaction of the rusting of iron involves an increase in the oxidation state of iron, accompanied by a loss of electrons. Rust is mostly made up of two different oxides of iron that vary in the oxidation state of the iron atom. These oxides are:

1) Iron(II) oxide or ferrous oxide. The oxidation state of iron in this compound is +2 and its chemical formula is $F e O$ .

2) Iron(III) oxide or ferric oxide, where the iron atom exhibits an oxidation state of +3. The chemical formula of this compound is $F e_{2} O_{3}$ .

Option C is correct.

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Similar questions

Rusting of an iron bar is an example of ___________ reaction.

Rusting of iron is an example of a chemical change.

4 F e + 3 O_{2} \to 4 F e^{3 +} + 6 O^{2 -}

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