Solid StateHard
Question
The radius ratio of P2+ and Q- ions 
is 0.8. The unit cell of this ionic solid is
is 0.8. The unit cell of this ionic solid isOptions
A.Simple cubic for Q- ions and P2+ ions occupy all the cubic voids
B.Face centered cubic for Q- ions and P2+ ions occupy all the tetrahedral voids.
C.Face centered cubic for P2+ ions and Q- ions occupy all the tetrahedral voids.
D.Face centered cubic for Q- ions and P2+ ions occupy 50% of octahedral voids.
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