Question

The order of ease of adsorption of hydrated alkali metal ions on ion exchange resins is : 

(a) Li⁺ < K⁺ < Na⁺ < Rb⁺ 

(b) Rb < K < Na⁺ < Li⁺ 

(c) K⁺ < Na⁺ < Rb⁺ < Li 

(d) Na⁺ < Li < K⁺ < Rb

Answer 1

Correct option is : (b) Rb < K < Na⁺ < Li⁺