Question

Anhydrous ${AlCl_3}$ is prepared from

• A. conc. HCl and aluminium metal
• B. aluminium and $\ce{Cl_2}$
• C. dry HCl gas + heated aluminium metal
• D. none of above

Answer 1

Answer: (C)

dry HCl gas + heated aluminium metal

Answer 2

When dry hydrochloride gas is passed over heated aluminium metal, then anhydrous aluminium chloride is obtained. {\underset{\text{(Dry)}}{ {HCl(g)}}$+$\underset{\text{(Heated)}}{ {Al}} -> Anhydrous \, AlCl3 }