1.

The tetrahedral voids formed by cup arrangement of `CI^(-)` ions in rock salt structure areA. Occupied by `Na^(+)` ionsB. Occupied by `CI^(-)` ionsC. Occupied by either `Na+ or CI^(-)` ionsD. Vacant

Answer» Correct Answer - d
In rock salt stracture `CI^(-)` form (ccf) lattice and `Na^(+)` occupies octahdral voids so tertahedral volid are vacant.


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