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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minPYQ_2022

ChemistryMediumsingle choice

Edge length of unit cell of a crystal is $288 pm$ . If its density is $7.2 g cm^{- 3}$ determine the type of unit cell (cat mass $= 52$ ).

Options:

Answer:

Solution:

$d = \frac{Z \times M}{V \times N _{A}}$ $7.2 = \frac{Z \times 52}{( 2.88 \times 1 0 ^{- 8} ) ^{3} \times 6.02 \times 1 0 ^{23}} Z = 1.991 ≃ 2.0$ Therefore, solid has BCC structure.

Stream:MHT_CETSubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals

⏱ 2mℹ️ Source: PYQ_2022

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