In a metal M having bcc arrangement edge...

In a metal M having bcc arrangement edge length of the unit cell is 400 pm . The atomic radius of the metal is

A

100 pm

B

141 pm

C

173 pm

D

200 pm

Text Solution

Verified by Experts

The correct Answer is:

C

In a BCC lattice, an atom at the centre of the cube is in contact with atoms at the corners. Thus diagonal of the cube is
`asqrt(3)=4xx"atmoic radius"rArrr=400xx(sqrt3)/(4)=173"pm"`

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