1.

`CdO` has `NaCl` like structure with density `8.27g//c c`. If the ionic radius of `O^(2-)` is `1.24A^(@)` determine the ionic radius of `Cd^(2+)`:A. `1.5 A^(@)`B. `1.1 A^(@)`C. `1.9 A^(@)`D. `1.5 A^(@)`

Answer» Correct Answer - B
`rho = (Z xx M)/(N_(A) xx alpha^(3)) rArr alpha = (r_(Cd^(2)) + r_(O^(2-)))`


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