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NEET UG CHEMISTRY MCQ: SOLID STATE

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The fraction of the total volume occupied by the atoms present in bcc unit cell is
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Correct option: B
3Ο€8\frac{{\sqrt 3 \pi }}{8}
Option B (3Ο€8\frac{{\sqrt 3 \pi }}{8}) is correct because it represents the packing fraction of a BCC unit cell.

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Schottky defect in crystals is observed when Calculate the ionic radius of a Cs+\mathrm{C}{\mathrm{s}^ + } ion, assuming that the cell edge length for CsCl is 0.4123 nm and that the ionic radius of a CIβˆ’\mathrm{C}{\mathrm{I}^ - } ion is β€…β€Š0.181  nm\;0.181\,\,nm Wrong match is A molecule contains atoms AA and BB such that AA occurs at the corners of the cube and YY at the face centres. The formula of the molecule is Which species is diamagnetic ? The arrangement ABCABC……is referred to as,
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