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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

`NaWO_(2)`

B

`NaWO_(3)`

C

`NaWO_(4)`

D

`Na_(2)WO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Number of Na atoms =1 (At body-centre)
Number of 'W' atoms `=8xx(1)/(8)=1` (At the corners)
Number of 'O' atoms `=12xx(1)/(4)=3` (At edge-centres)
Formula of solid `=NaWO_(3)`
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