MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistrySolid stateCu Ag Au

The number of tetrahedral voids in the unit cell of a face centred cubic lattice of similar atoms is

A.4

B.6

C.8✓ Correct

D.10

Explanation

In f.c.c., total number of atoms (Z)=4 The number of Octahedral voids=Z Then, the number of Tetrahedral voids=2Z Therefore, number of tetrahedral voids= 2 4 8 x Thus, the correct option is (c)

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