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 'Na' atoms at the centre of the cube. The formula for the compound is
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a
NaWO
b
NaWO2
c
NaWO3
d
NaWO4
answer is C.
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Detailed Solution
In a unit cell, W atoms at the corner =18×8=1O atoms at the centre of edges =14×12=3Na atoms at the centre of the cube =1W:O:Na=1:3:1, hence formula =NaWO3
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 'Na' atoms at the centre of the cube. The formula for the compound is