1.

A solid has a structure in which `W` atoms are located at the corrent of a lattice `O` atoms at the center of edges and `Na` atoms at the center of the cube.The formula for the compound isA. `NaWO_(2)`B. `NaWO_(3)`C. `Na_(2)WO_(3)`D. `NaWO_(4)`

Answer» Correct Answer - b
in a unit cell, `W` atoms at the corner `= (1)/(8) xx 8 = 1`
`O` atoms at the center of edge `= (1)/(4) xx 12 = 3`
Na atoms at the center of the cube `= 1`
`W : O : Na = 1 : 3: 1` , hence formula `= NaWO_(3)`


Discussion

No Comment Found

Related InterviewSolutions