Question

if u know then only answer it class 12 chemistry​

Answer 1

Answer:

Let radius of anion be r and radius of cation be R.

Radius of cation + radius of anion = edge length/2

R + r = a/2 ('a' is edge length)

R + 230 = 700/2

R = 350 - 230

= 120 pm

Hence, Radius of cation is 120 pm