1.

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     [KCET  1996]

A. \[NaW{{O}_{2}}\]           
B. \[NaW{{O}_{3}}\]
C. \[N{{a}_{2}}W{{O}_{3}}\]            
D. \[NaW{{O}_{4}}\]
Answer» C. \[N{{a}_{2}}W{{O}_{3}}\]            


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