Question
Question: In which of the following crystals alternate tetrahedral voids are occupied?...
In which of the following crystals alternate tetrahedral voids are occupied?
A
NaCl
B
ZnS
C
CaF2
D
Na2O
Answer
ZnS
Explanation
Solution
In ZnS structure, sulphide ions occupy all FCC lattice points while Zn2+ ions are present in alternate tetrahedral voids.