JEE Main Chemistry question
Not in JEE Main or NEET syllabus
Find the coordination number of in .
Answer: 4
Solution
adopts the antifluorite structure: the ions form a ccp (fcc) lattice, with effectively 4 ions per unit cell, and the ions occupy all of the available tetrahedral voids, giving 8 ions per unit cell (consistent with the stoichiometry, $8:4 =
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