Question

If the radius of La³⁺ is 1.06Å , than what will be the approximate value of radius of Lu³⁺ from the following ?

(A) 1.40 Å 

(B) 1.40 Å

(C) 0.85 Å

(D) 1.60 Å

Answer 1

(C)  0.85 Å.