CsCl crystallizes in a cubic lattice that has a Cl− at each corner and Cs+ at the centre of the unit cell. If (rCs+)=1.69oA and (rCl−)=1.81oA, what is the value of edge length a of the cube?
A
4.04
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B
3.50
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C
3.03
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D
1.95
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Solution
The correct option is B4.04 In CsCl type of crystal atoms touch along the body diagonal