\( \mathrm{P} \) Spinel is a important class of oxides consisting o...

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\( \mathrm{P} \)
Spinel is a important class of oxides consisting of two types of metal ions with the oxide ions arranged
W in CCP pattern. The normal spinel has one - eight of the tetrahedral holes occupied by one type of metal ion and one half of the octahedral hole occupied by another type of metal ion. Such a spinel is formed by \( \mathrm{Zn}^{2+}, \mathrm{Al}^{3+}, \mathrm{O}^{2-} \), with \( \mathrm{Zn}^{2+} \) in the tetrahedral holes. Given the formula of spinel.
(A) \( \mathrm{ZnAl}_{2} \mathrm{O}_{4} \)
(B) \( \mathrm{Zn}_{2} \mathrm{AlO}_{4} \)
(C) \( \mathrm{Zn}_{2} \mathrm{Al}_{2} \mathrm{O}_{4} \)
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