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The radius of a divaent cation `A^(2+)` is 94pm and of divalent anion `B^(2-)` is 146pm. The compound AB has:A. Rock saltB. Zinc blendeC. anti fluoriteD. CsCI type |
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Answer» Correct Answer - A `(r_(A^(+2)))/(r_(B^(+2)))=(94)/(164)=0.64` The radius ratio lies in between 0.414 to 0.732 so, cation should be in octahadral void therefore, structure will be Rock salt. |
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