In \( \mathrm{Fe}_{3} \mathrm{O}_{4} \), (A) oxide ions have ccp arrangement (B) \( \mathrm{Fe}^...

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In \( \mathrm{Fe}_{3} \mathrm{O}_{4} \),
(A) oxide ions have ccp arrangement
(B) \( \mathrm{Fe}^{2+} \) ions occupy octahedral voids
(C) \( \mathrm{Fe}^{3+} \) ions occupy tetrahedral voids
(D) \( 50 \% \) of the voids are occupied by cations.
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