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प्रश्न
Which of the following statements is not true for rock salt (NaCl) structure?
पर्याय
The structure is of fcc type.
Cl− ions are present at the corners and face-centres of a cube.
Na+ ions are present in alternate tetrahedral voids.
The structure has 6 : 6 coordination.
MCQ
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उत्तर
Na+ ions are present in alternate tetrahedral voids.
Explanation:
In rock salt, Na+ occupies octahedral voids, not tetrahedral.
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