Calculate the volume of fcc unit cell in cm^3 if void volume of it is 4.16 10^ -24 cm^3 .

MHT CET 2025 Chemistry question

Not in JEE Main or NEET syllabus

Calculate the volume of fcc unit cell in if void volume of it is .

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

The packing efficiency of an fcc (ccp) structure is 74%, so the void (empty) space is of the unit cell volume. Hence , giving , option (B). Check: occupied volume $=

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Question ID VK-101759