JEE CHEMISTRY MCQ: SOLID STATE

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Which of the following statements is not correct?

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Correct option: B

The number of carbon atoms in an unit cell of diamond is 4

Option D (The fraction of the total volume occupied by the atoms in a primitive cell is 0.48) is correct because the packing fraction in a primitive cell is 0.52, not 0.48, and diamond has 8 carbon atoms in its unit cell.

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