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Question: Answered & Verified by Expert
The fraction of voids occupied in the inverse spinel compounds are
ChemistryHydrocarbonsAP EAMCETAP EAMCET 2020 (23 Sep Shift 1)
Options:
  • A 18th of tetrahedral voids and 12 of octahedral voids.
  • B 12 of tetrahedral voids and 18th of octahedral voids.
  • C 14th of tetrahedral voids and 18th of octahedral voids.
  • D 18th of tetrahedral voids and 14th of octahedral voids.
Solution:
1041 Upvotes Verified Answer
The correct answer is: 18th of tetrahedral voids and 12 of octahedral voids.
The formula of inverse spinels is AB2O4. The AII ions occupy the octahedral voids, whereas one-half of BIII ions occupies the tetrahedral voids and the other half occupies the octahedral sites.

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