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CGP EDU Academic Team
Published on: August 12, 2026
Why does ZnS not crystallize in the NaCl structure?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
In case of ZnS radius ratio is 
= 0.402.
That's why Zn 2+ ion is present in tetrahedral void. If Zn 2+ ion is present in octahedral void [For NaCl type structure] then anion-anion contact is there and compound become unstable. That's why. ZnS not crystallize in the NaCl structure.
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