Solid State Question 174

Question: In which of the following crystals alternate tetrahedral voids are occupied-

[IIT 2005]

Options:

A) NaCl

B) ZnS

C) CaF2

D) Na2O

Show Answer

Answer:

Correct Answer: B

Solution:

In ZnS structure, sulphide ions occupy all FCC lattice points while Zn2+ ions are present in alternate tetrahedral voids.

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