Anhydrous `AlCl_3` cannot be obtained from which of the following reactions?

Options

A. Heating `AICl_(3).6H_(2)O`
B. By passing dry HCI over hot aluminium powder
C. By passing dry `Cl_(2)` over hot aluminium powder
D. By passing dry `Cl_(2)` over a hot mixture of alumina and coke

Answer

A

Explanation

`AlCl_(3).6H_(2)O overset(Delta)rarr Al(OH)_(3) + 3HCl + 3H_(2)O`
Thus `AlCl_(3)` can not be obtained by this method