1.

The coordination number of Al in the crystalline of ` AlCl_(3)` is

Answer» Correct Answer - 8
At low temperature . `AlCl_(3)` exists as a close paked lattice of ` Cl^(-)` ions with ` Al^(3+)` ions occupying octahedral voids. Thus, ` Al^(3+)` ions has 6 `Cl^(-)` ions around it. Hence, its corrdination number is 6.


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