MHT CET 2026 Chemistry question
Not in JEE Main or NEET syllabus
Calculate the void volume of bcc unit cell if volume of unit cell is
Answer: (D)
Solution
In a bcc structure the packing efficiency is 68 %, i.e. atoms occupy 68 % of the unit-cell volume, so the void fraction is %. Void volume , option (D).
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