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  4. Element 'B' forms ccp structure and 'A' occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic oxide is :

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Q. Element 'B' forms ccp structure and 'A' occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic oxide is :

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Solution:

$Z_{B} = 4, Z_{A} = 4 \times\frac{1}{2} = 2, Z_{O} =8 $
Formula ; $ A_{2}B_{2}O_{8} \equiv AB_{2}O_{4} $