Manipal MET2017ChemistrySolid State
If ionic radius of Cs ⁺ and Cl ⁻ are 1.69 Å and 1.81 Å respectively, the edge length of unit cell is
Options
- A4.04 Å
- B3.50 Å
- C7.00 Å
- DNone of these
Correct answer
A. 4.04 Å
Step-by-step solution
aligned & 2 (r⁺+r⁻ )= 3 a & 2(1.69+1.81)= 3 a & 2(3.5)= 3 a & 7.0= 3 a aligned a= 7.0 3 =4.04 Å