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A given metal crystallises out wuth BCC structure having edge length 3.464 \AA , what is the radius of one atom

  • Option 1)

    200 pm

  • Option 2)

    150 pm

  • Option 3)

    100 pm

  • Option 4)

    173 pm

 

Answers (1)

For BCC structure           r=\frac{a\sqrt{3}}{4}

       r=\frac{3.464\times 1.732}{4}=2A^{\circ}=200pm

 

Relation between radius of constituent particle, R and edge length, a for body centered cubic unit cell -

-

 

 


Option 1)

200 pm

This is correct

Option 2)

150 pm

This is incorrect

Option 3)

100 pm

This is incorrect

Option 4)

173 pm

This is incorrect

Posted by

Vakul

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