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- Stuck here, help me understand: In a compound, atoms of element Y from ccp lattice and those of element X occupy 2/3rd of tetrahedral voids. The formula of the compound will be
In a compound, atoms of element Y from ccp lattice and those of element X occupy 2/3rd of tetrahedral voids. The formula of the compound will be
- Option 1)
- Option 2)
- Option 3)
- Option 4)
Answers (1)
As we learnt in
No. of atoms(z) for face centered unit cell -
Lattice points: at corners and face centers of unit cell.
For face centered cubic (FCC), z=4.
- wherein
Number of atoms per unit cell in
lattice
number of tetrahedral voids
number of tetrahedral voids occupied by
Hence the formula of the compound will be
Correct option is 2.
Option 1)
This is an incorrect option.
Option 2)
This is the correct option.
Option 3)
This is an incorrect option.
Option 4)
This is an incorrect option.
View full answer
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