If radius ratio for an ionic solid is $0.5248$ and radius of cation is $0.95 \mathrm{~A}^{\circ}$. What is…

If radius ratio for an ionic solid is $0.5248$ and radius of cation is $0.95 \mathrm{~A}^{\circ}$. What is the radius of anion?
  1. $1 \cdot 45 \mathrm{~A}^{\circ}$
  2. $1 \cdot 81 \mathrm{~A}^{\circ}$
  3. $1 \cdot 20 \mathrm{~A}^{\circ}$
  4. $1 \cdot 60 \mathrm{~A}^{\circ}$

Solution

Radius ratio = radius of cation / radius of anion $0.5248 = 0.95 /$ radius of anion Radius of anion $= 1.81 A$

Asked in: MHT CET 2020 (20 Oct Shift 2)

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