- Definition of FeBr2
FeBr2, also known as iron (II) bromide or ferrous bromide in English, is a chemical compound consisting of two elements: Iron (Fe) and Bromine (Br). Each molecule of FeBr2 contains one atom of iron and two atoms of bromine. The atomic mass of FeBr2 is 215.65 g/mol.
1.4 Ion structure
FeBr2 is an ionic compound, formed from 2 Br- ions and 1 Fe2+ ion, according to the equation: Fe2+ + 2Br- → FeBr2.
- Properties: FeBr2
2.1 Physical properties of FeBr2
FeBr2 is solid, reddish-brown in color, and has no characteristic odor. The pH of a FeBr2 solution in water is acidic due to the hydrolysis of the Fe2+ ion.
2.2 Chemical properties of FeBr2
FeBr2 has the ability to react with many other substances such as oxygen, chlorine to form other compounds.
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Common chemical equations of FeBr2
FeBr2 reacts with O2 to form Fe2O3 and Br2. Similarly, FeBr2 reacts with Cl2 to form FeCl2 and Br2. -
Preparation of FeBr2
4.1 Laboratory preparation of FeBr2
FeBr2 can be prepared by reacting Fe with Br2 in a water environment.
4.2 Industrial preparation of FeBr2
In industry, FeBr2 is prepared from Fe and Br2 at high temperatures.