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AP EAMCET202023 Sep 2020Morning ShiftChemistryHydrocarbonsActual

The fraction of voids occupied in the inverse spinel compounds are

Options

  1. A1 8 th of tetrahedral voids and 1 2 of octahedral voids.
  2. B1 2 of tetrahedral voids and 1 8 th of octahedral voids.
  3. C1 4 th of tetrahedral voids and 1 8 th of octahedral voids.
  4. D1 8 th of tetrahedral voids and 1 4 th of octahedral voids.

Correct answer

A. 1 8 th of tetrahedral voids and 1 2 of octahedral voids.

Step-by-step solution

The formula of inverse spinels is AB 2 O 4 . The A II ions occupy the octahedral voids, whereas one-half of B III ions occupies the tetrahedral voids and the other half occupies the octahedral sites.

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