1.

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

Answer»

`NaWO_2`
`Na_2WO_2`
`NaWO_3`
`Na_2WO_3`

Solution :Number of W atoms = `( 8 xx 1/8) = 1`
Number of Na atoms = 1
Number of O atoms `= (12 xx 1/4) = 3`
`THEREFORE Na : W : O = 1 : 1 : 3 implies NaWO_3`.


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