Question:medium

In the structure of A\(_x\)B\(_y\), cations (A) occupy all the tetrahedral voids while anions (B) form fcc lattice. What is the ratio of x and y?

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In fcc lattice, number of tetrahedral voids = 2 × number of atoms in unit cell.

Updated On: Jun 20, 2026

3:1
1:1
1:2
2:1

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The Correct Option is D

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