Question

Which order is correct for size? 

(a) Ca²⁺ < K⁺ < Ar < S^2- < Cl 

(b) Ca²⁺ < K⁺ < Ar < Cl^- < S^2- 

(c) Ar < Ca²⁺ < K⁺ < Cl^- < S^2- 

(d) Ca²⁺ < Ar < K < Cl < S^2-

Answer 1

Correct option is : (b) Ca²⁺ < K⁺ < Ar < Cl^- < S^2-