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The ionic radii of Rb^(+) and I^(-) are ...

The ionic radii of `Rb^(+)` and `I^(-)` are 1.46 and `2.16Å`. The most probable type of structure exhibited by it is:

A

CsCl type

B

NaCl type

C

ZnS type

D

`CaF_(2)` type

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