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

N a W O_{2}

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N a W O_{3}

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N a_{2} W O_{3}

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N a W O_{4}

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Solution

The correct option is B $N a W O_{3}$

W atoms 1 unit cell = $/ 8 \times \frac{1}{/ 8} = 1$

O atoms 1 unitcell = $/ 12 \times \frac{1}{/ 4} = 3$

Na atoms 1 unit cell =1

Hence, the formula is $N a W O_{3}$

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

The correct option is B NaWO3 W atoms 1 unit cell = /8×1/8=1 O atoms 1 unitcell = /12×1/4=3 Na atoms 1 unit cell =1 Hence, the formula is NaWO3

The correct option is B $N a W O_{3}$

W atoms 1 unit cell = $/ 8 \times \frac{1}{/ 8} = 1$

O atoms 1 unitcell = $/ 12 \times \frac{1}{/ 4} = 3$

Na atoms 1 unit cell =1

Hence, the formula is $N a W O_{3}$