In `CaF_(2)` type (fluorite structure) `Ca^(2+)` ions form W structure and `F^(-)` ions are present in all X voids. The coordination number of `Ca^(2=)` is Y and `F^(-)` is Z. W,X,Y and Z respectively areA. A-ccp, B-octahedral , C-8,D-4B. A-bcc, B-tetrahedral , C-4,D-8C. A-ccp , B-tetrahedral , C-8,D-4D. A-ccp, B-octahedral , C-4,D-8

In `CaF_(2)` type (fluorite structure) `Ca^(2+)` ions form W structure

1.	In `CaF_(2)` type (fluorite structure) `Ca^(2+)` ions form W structure and `F^(-)` ions are present in all X voids. The coordination number of `Ca^(2=)` is Y and `F^(-)` is Z. W,X,Y and Z respectively areA. A-ccp, B-octahedral , C-8,D-4B. A-bcc, B-tetrahedral , C-4,D-8C. A-ccp , B-tetrahedral , C-8,D-4D. A-ccp, B-octahedral , C-4,D-8
Answer» Correct Answer - C `Ca^(2+)` ions form ccp structure while `F^-` ions are in all tetrahedral holes and coordination numbers are 8 and 4

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