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InterviewSolution
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Structure of a mixed oxide is cubic closed - packed (ccp) .The cubic unit cell of mixed oxide is composed of oxide ions .One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovelent metal B .The formula of the oxide isA. `ABO_(2)`B. `A_(2)BO_(2)`C. `A_(2)B_(3)O_(4)`D. `AB_(2)O_(2)` |
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Answer» Correct Answer - D `A^(2+)=(1)/(4)xx8=2` `B^(+)=4xx1=4` `O^(2-)=8xx(1)/(8)+6xx(1)/(2)=4]A_(2)B_(4)O_(4) AB_(2)O_(2)` |
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