What simple substances does iron react with? Write examples

| May 8, 2021 | education

Iron is a chemical element of the eighth group of the fourth period. One of the most abundant elements on Earth. Under normal conditions, it does not react with simple substances or reacts in insignificant quantities. When heated, it reacts actively with many substances. In chemical reactions it acts as a reducing agent and exhibits an oxidation state of +2 and +3.

Interaction with chlorine. Iron heated to 200-300 ° C is placed in chlorine. As a result of the reaction, iron (III) chloride is released in the form of a thick brown gas.

2Fe + 3Cl2 = 2FeCl3

Interaction with oxygen. The red-hot iron burns up with a scattering of bright sparks. Dross is formed – a mixture of iron (II) and (III) oxides.

3Fe + 2O2 = Fe3O4 (FeO • Fe2O3)

Interaction with sulfur. The reaction takes place by heating a mixture of iron filings and sulfur. Solid sulfur (II) sulfide is formed.

Fe + S = FeS



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