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Ca2+ and F- are located in CaF2 crystal, respectively at face centred cubic lattice points and in

(a) tetrahedral voids

(b) half of tetrahedral voids

(c) Octahedral voids

(d) half of octahedral voids

1 Answer

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Best answer

Correct option  (a) tetrahedral voids

Explanation:

In CaF2 crystal, Ca2+ ions are present at all corners and at the centre of each face of the cube while F- ions occupy all the tetrahedral sites.

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