In the spinel structur, oxides ions are cubical-closet packed whereas 1/8th of tetrahedral voids are occupied by `A^(2+)` cation and 1/2 of octahedral voids are occupied by `B^(+)` cations. The general formula of the compound having spinel structure is:
A
`A_(2)B_(2)O_(4)`
B
`AB_(2)O_(4)`
C
`A_(2)B_(2)O_(2)`
D
`A_(4)B_(2)O_(2)`
Text Solution
Verified by Experts
The correct Answer is:
B
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In the spinel structure, oxides ions are cubical - closest packed whereas 1//8 th of tetrahedral voids are occupied by A^(2+) cation and 1//2 of octahedral voids are occupied by B^(2+) cations. The general formula of the compound having spinel structure is :
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In solid, oxide ions are arranged in ccp. One sixth of the tetrahedral voids are occupied by the cations (A) while one third of the octahedral voids, are occupied by the cations (B). What is the formula of the compound ?
