Published by:
CGP EDU Academic Team
Published on: August 11, 2026
A compound of formula 
has the hcp lattice. Which atom forms the hcp lattice and what fraction of tetrahedral voids is occupied by the other atoms :
A
hcp lattice - A, 
Tetrahedral voids - B
Tetrahedral voids - B B
hcp lattice - A, 
Tetrahedral voids - B
Tetrahedral voids - B C
hcp lattice - B, 
Tetrahedral voids - A
Tetrahedral voids - A D
hcp lattice - B, 
Tetrahedral voids - A
Tetrahedral voids - A
Text Solution
Verified by ExpertsThe correct answer is:
D
Formula of the compounds
No. of octahedral voids are equal to the number of atoms forming lattice
A occupy octahedral void i.e. 
of them
forms crystal lattice
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