1.

Anhydrous AlCl_(3) is covalent but AlCl_(3).6H_(2)O is ionic because :

Answer»

`AlCl_(3)` has dimeric structure
ionization energy of aluminium is low
lattice energy in `AlCl_(3).6H_(2)O` becomes HIGH
HYDRATION energy compensates the high ionization energy of AL.

ANSWER :D


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