A solid has a structure in which \( \mathrm{W} \) atoms are located at the corners of a cubic la...

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A solid has a structure in which \( \mathrm{W} \) atoms are located at the corners of a cubic lattice, \( \mathrm{O} \) atom at the centre of the eges and \( \mathrm{Na} \) atom at centre of the cubic. The formula for the compound is :-
(A) \( \mathrm{NaWO}_{2} \)
(B) \( \mathrm{NaWO}_{3} \)
(C) \( \mathrm{Na}_{2} \mathrm{WO}_{3} \)
(D) \( \mathrm{NaWO}_{4} \)
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