1.

In solid oxide are arranged in cup .One - sixth of tetrabedral voids are occupied by cation A which one third of octahedral voids are occupied by cation `B` .What is the formula of compound ?A. `AB_(2)O`B. `ABO_(3)`C. `A_(2)B_(3)O`D. `A_(3)B_(2)O`

Answer» Correct Answer - b
Suppose `O^(2) `ions `+n`, octabedral voids interecdral voids
` = 2n,cation A = (1)/(6) xx 2n = (n)/(3)`
`Cation B = (1)/(3) xx n = (n)/(3)`
`Ratio - A: B: O^(2)`
`= (n)/(3) (n)/(3) :n`
Formulas`ABO_(3)`


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