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Correct statement(s) related to spinel structure is/are:

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$the compounds having formula A^{II} B_{2}^{III} O_{4} have spinel structure$

$A^{II}$ occupies the tetrahedral sites and $B^{III}$ occupies the octahedral sites

${MgAl}_{2} O_{4} is known as spinel$

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answer is A.

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Detailed Solution

Chemical formula of spinel structure is $A^{+ 2} B_{2}^{+ 3} O_{4}$ . Examples: MgAl₂O₄, FeAl₂O₄, CoAl₂O₄ and so on. In this structure, all the A²⁺ ions occupy the tetrahedral sites and all the B³⁺ ions occupy the octahedral sites.

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