1.

For fcc, if AB is just like the rock salt like structure then, \[{{A}^{+}}\] and \[{{B}^{-}}\] are located at -

A. \[{{A}^{+}}\]- Tetrahedral voids ; \[{{B}^{-}}\]- Corner
B. \[{{A}^{+}}\] - Corner and faces; \[{{B}^{-}}\] - Octahedral voids
C. \[{{A}^{+}}\] - Octahedral voids; \[{{B}^{-}}\]- Corner and faces
D. \[{{A}^{+}}\] - Corner and faces; \[{{B}^{-}}\] - Octahedral and tetrahedral voids
Answer» D. \[{{A}^{+}}\] - Corner and faces; \[{{B}^{-}}\] - Octahedral and tetrahedral voids


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