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  4. For FCC if AB is just like the rock salt like structure then, A+ and B- are located at -

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Q. For FCC if AB is just like the rock salt like structure then, A+ and B- are located at -

The Solid State

Solution:

AB is just like NaCl. Thus twelve $A^+$ are at edges and 1 within body of fcc i.e. in octahedral voids and six $B^-$ at faces and 8 at corner.