Solid StateHard

Question

The unit cell cube length for LiCI (just like NaCI structure) is 5.14 A0. Assuming anion–anion contact, the ionic radius for chloride ion is -

Options

A.1.815 A0
B.2.8 A0
C.3.8 A0
D.4.815 A0

Solution

4r = a√2
r = = 1.815 A0

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