Aluminum an Exploration of its Reactions with Bromine and Resulting Properties

Hello friend and science lover, as I always tell you, today's unique thing is: Boron and aluminum are elements of group III of the periodic table and have interesting physical properties. Although nonmetallic boron tends to form ionic compounds, iron and aluminum tend to form ionic compounds. All of these substances exhibit the ability to react with bromine (a Group VII halogen) to form bromide. This article focuses on the reaction of boron and aluminum with bromine and the chemical and physical properties of the products.

The reaction of boron with bromine is manifested through the following chemical equation:

[B_2Br_6(s) + 6H_2O(l) \rightarrow 2H_3BO_3(aq) + 6HBr(aq)]

This process, called hydrolysis, reacts with water to form boric acid and hydrobromic acid. Boric acid is a weak acid and dissociates slightly in aqueous solution, while hydrobromic acid is a strong acid and dissociates completely. Boric acid is known for its antiseptic properties and is used in medicine and cosmetics, while hydrobromic acid is corrosive and is used in the manufacture of natural products.

The reaction of aluminum with bromine is expressed by the chemical equation:

[2Al(s) + 3Br_2(l) \rightarrow 2AlBr_3(s)]

This is called a reduction reaction, which means that the molecular bromine acts as a neutralizing agent, while the metallic aluminum acts as a positive reducing agent. Aluminum loses 3 electrons and is oxidized to Al^3+^, and bromine gains 1 electron and is reduced to Br^-^. The result is aluminum bromide, a group of ions formed by electrostatic attraction between Al^3+^ and Br^-^ ions. Aluminum bromide is a crystalline solid with a melting point of 97°C and a melting point of 265°C, showing supporting properties for use in the petrochemical industry.

Boron reacts differently with aluminum than bromine. Boron forms covalent compounds combined with hydrogen, while aluminum catalyzes the formation of ionic compounds through an oxygen reduction reaction. The results show some useful features for different applications.

Bibliographic reference

Basic Principles and Calculations in Chemical Engineeringb by David M. Himmelblau, 1997.

Physics and chemistry. Complements of disciplinary training by Miguel Ángel Gómez Crespo, Emilio Pedrinaci, Daniel Gil, 2011.

Fundamental Physics Second Semester Zaculeu by IGER.