Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateCubic CrystalsMedium2 minQB
ChemistryMediumsingle choice

A compound has cubical unit cell in which X atoms are found at 6 corners and Y atoms are present at remaining corners and at face center which are not opposite to each other and Z-atoms are present at body center and remaining face center. Calculate density in , if atomic mass of X, Y and Z are 20, 40 and 60 amu respectively and side of unit cell ( ).

Options:

Answer:
A
Solution:

1. Effective atoms in unit cell:

 

2. Mass of unit cell:

 

3. Volume of unit cell:

 

4. Therefore, Density:

 

Answer:

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

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