• Aluminium chloride is manufactured on a large scale by the exothermic reaction of aluminium metal with chlorine or hydrogen chloride at temperatures between 650 to 750 °C (1,202 to 1,382 °F). Aluminum chloride may be formed via a single displacement reaction between copper chloride and aluminum metal.


  • However, the electron deficiency of Aluminium atom in AlCl3 is compensated (completed) by formation of co-ordinate bond between lone pair of Chlorine atom of another AlCl3 molecule and the empty unhybridised p orbital of Aluminium atom, thus forming dimer.

    Additionally, what type of compound is AlCl3? Aluminum chloride is a chemical compound with the chemical formula AlCl3. When contaminated with iron chloride, it often displays a yellow color compared to the white pure compound. It is used in various chemical applications as a Lewis base, with anhydrous aluminium trichloride being the most commonly used Lewis acid.

    Secondly, why is AlCl3 simple molecular?

    AlCl3 has a simple molecular structure with weak van der Waals forces between its molecules. More energy is needed to overcome the strong ionic bonds in AlF3 than the weak intermolecular forces in AlCl3 hence AlF3 has a much higher melting point.

    Why is Aluminium chloride covalent?

    Aluminium chloride is covalent because the aluminium ion has high charge density while the chloride ion is relatively polarizable. This leads to a greater degree of “electron sharing” and hence a greater degree of covalent character). Aluminium fluoride on the other hand would remain ionic.

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