Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StatePacking in lonic SolidsMedium2 minQB

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Passage / Comprehension

Spinel is an important class of oxides having two types of metal ions. A type of spinel has a CCP arrangement of O²⁻ ions in which Fe²⁺ cations occupy 1/8^th of the tetrahedral voids and Fe³⁺ cations occupy half of the octahedral voids.

What is formula of spinal -

Options:

Answer:

Solution:

$Fe^{3 +} = 4 \times \frac{1}{2} = 2$

$Fe^{2 +} = 8 \times \frac{1}{8} = 1$

$O^{2 -} = 4$

Formula $= Fe_{3} O_{4}$

Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:Packing in lonic Solids

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