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A solid has a structure in which W atoms...

A solid has a structure in which `W` atoms are located at the corners of a cubic lattice, `O` atom at the centre of edges, and `Na` atom at the centre of the cube. The formula for the compound is

A

`Na_(2)WO_(3)`

B

`Na_(2)WO_(2)`

C

`NaWO_(2)`

D

`NaWO_(3)`

Text Solution

Verified by Experts

(d) In a unit cell,W-atoms at the corer =`(1)/(8)xx8=1`
O-atoms at the centre of edge `=(1)/(4)xx12=3)`
Na-atoms at the centre of the cube =1
W:O:Na=1:3:1
Hence, formula=`NaWO_(3)`
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