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WBJEE 2017 Chemistry Solved Paper

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Question : 31

Total: 40

In a close-packed body-centred cubic lattice of potassium, the correct relation between the atomic radius (r) ofpotassium and the edge-length (a) of the cube is

r=
a
√2
r=
a
√3
r=
√3
2
a
r=
√3
4
a

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