1.

Which of the following statement about anhydrous aluminium chloride is correct

Answer»

It EXISTS as `AlCl_(3)` molecules
It is not easily hydrolysed
It sublimes at `100^(@)C` under vacuum
It is STRONG lewis base

Solution :`AlCl_(3)` exists as a dimer `(Al_(2)Cl_(6))`. It is a strong Lewis acid as Al has an incomplete octet and has a tendency to gain electrons. `AlCl_(3)` undergoes hydrolysis easily and FORMS an acidic solution.
`AlCl_3 +3H_(2)O to Al(OH)_(3) + 3HCl`
option (c) is TRUE that `AlCl_(3)` sublimes at `100^(@)C` under vaccume


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