MHT CET Chemistry question

Chemistry The Solid State MHT CET

Not in JEE Main or NEET syllabus

If AgI crystallises in zinc blende structure with ions at lattice points. What fraction of tetrahedral voids is occupied by ions?

(A)25%
(B)50%Correct
(C)100%
(D)75%

Answer: (B)

Solution

In zinc blende the anions form ccp (4 per cell) with 8 tetrahedral voids, and 4 cations (1 : 1 formula) occupy

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Question ID VK-043150