1.

Select the correct statement (s) for the rock -salt structure (NaCl) :A. The tetrahedral voids are smaller than the octhedral sitesB. The octahedral voids are occupied by cations and the tetraherdral sites are emptyC. The radius ratio `(r_(c)//r_(a))` is 0.225D. The radius ratio `(r_(c)//r_(a))` is 0.732

Answer» Correct Answer - A::B


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