Q.

Element B' forms ccp structure and 'A' occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic oxide is:

Moderate

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By Expert Faculty of Sri Chaitanya

a

AB2O4

b

A4B2O

c

A2B2O

d

A2BO4

answer is 1.

(Detailed Solution Below)

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Detailed Solution

Number of atoms per unit cell in ccp = N =4 Number of octahedral voids = N =4 A occupies half of the octahedral voids, thus A atoms per unit cell = 4/2 =2 Tetrahedral voids = 2 × N =8 So number of oxygen atoms = 8A:B:0:: 2:4:8Thus, structure of bimetallic oxide is AB2O4 .
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