Question

Which of the following expressions is correct in case of a CSCl unit cell (edge length, a) ?

• A. $r_{cs^+}+r_{cl^-}=a$
• B. $r_{cs^+}+r_{cl^-}=\frac{a}{\sqrt2}$
• C. $r_{cs^+}+r_{cl^-}=\frac{\sqrt3}{2}a$
• D. $r_{cs^+}+r_{cl^-}=\frac{a}{2}$

Answer 1

Answer: (C)

$r_{cs^+}+r_{cl^-}=\frac{\sqrt3}{2}a$

Answer 2

The correct option is(C): $r_{cs^+}+r_{cl^-}=\frac{\sqrt3}{2}a$