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A binary solid A^(+) B^(-) has a structu...

A binary solid `A^(+) B^(-)` has a structure with `B^(-)` ions constituting the lattice and `A^(+)` ions occupying 25% tetrahedral holes. Formula of the solid is

A

AB

B

`A_(2)B`

C

`AB_(2)`

D

`AB_(4)`

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The correct Answer is:
C
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