Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minQB
ChemistryMediuminteger

A compound has cubical unit cell in which ' A ' atoms are found at six corners and ' B ' atoms are present at remaining corners and at face centres which are not opposite to each other and ' C ' atoms are present at body centres and remaining face centres. Calculate : Density of the compound in .

[Given : Edge length of unit cell = 2Å, Atomic mass : A = 20 u, B = 60 u, C = 80 u]

Answer:
40
Solution:

Formula of unit cell = 

∴ Formula of the compound = A3B7C10

= 40 amu/Å3 .

Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals
2mℹ️ Source: QB

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