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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

`Na_(2)WO_(3)`

D

`NaWO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
`W "atoms"//"unit cell" = 8 xx 1/8 = 1`
`O "atoms"//"unit cell" = 12 xx 1/4 = 3`
`Na "atom//"unit cell" = 1`
Hence, formula is `NaWO_(3)`.
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