Question

Al->Al2O3->AlCl3->Al(OH)3​

Answer 1

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Answer 2

It seems like you're providing a sequence that involves the chemical transformation of aluminum (Al) through various compounds. Let me explain each step in this transformation:

1. Aluminum (Al): This is a chemical element with the symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, and ductile metal. It is the third most abundant element in the Earth's crust, after oxygen and silicon.

2. Aluminum oxide (Al2O3): This is commonly known as alumina. It is a compound of aluminum and oxygen. It is the most commonly occurring of several aluminum oxides. It is an important industrial chemical used as an abrasive and in the production of aluminum metal.

3. Aluminum chloride (AlCl3): This is a compound of aluminum and chlorine. It is mainly used as a catalyst in the Friedel-Crafts reaction to form carbon-carbon bonds. It is also used in the production of other aluminum compounds and as an additive in antiperspirants.

4. Aluminum hydroxide (Al(OH)3): This is a compound of aluminum and hydroxide, with the chemical formula Al(OH)3. It is found in nature as the mineral gibbsite (also known as hydrargillite) and its three-dimensional framework structure is useful as a fire retardant filler. It is also widely used as an antacid in medicine.

Each of these compounds has its own specific properties and applications in various industries and fields. The transformations you mentioned represent the formation of different compounds of aluminum under specific chemical reactions and conditions.