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Packing Fraction and Efficiency

Oxygen atom f...

Question

Oxygen atom forms FCC unit cell with 'A' atoims occupying all tetrahedral voids and 'B' atoms occupying all octahedral voids. If atoms are removed from two of the body diagonals then determine the formula of resultant compound formed.

A

A_{4} B_{4} O_{7}

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B

A_{8} B_{6} O_{7}

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C

A_{8} B_{8} O_{7}

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D

A_{6} B_{8} O_{6}

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Solution

The correct option is B $A_{8} B_{6} O_{7}$

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