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Question: Anhydrous \(AlCl_{3}\) is prepared by....

Anhydrous AlCl3AlCl_{3} is prepared by.

A

Reaction of HCl and Al metal

B

Reaction of dry HCl and heated Al metal

C

Passing Cl2Cl_{2} gas over heated Al metal.

D

Reaction of Al2O3Al_{2}O_{3} with dil. HCl.

Answer

Reaction of dry HCl and heated Al metal

Explanation

Solution

:2Al+6HCl(g)→2AlCl3+3H22Al + 6HCl_{(g)} \rightarrow 2AlCl_{3} + 3H_{2}