Question

The correct order of ease of adsorption of the hydrated alkali metal ions on an ion exchange resin is

• A. $Rb^+ > K^+ > Na^+ > Li^+$
• B. $Li^+ < K^+ < Na^+ < Rb^+$
• C. $Na^+ <Li^+ < K^+ < Rb^+$
• D. $K^+ < Na^+ < Rb^+ <Li^+$

Answer 1

Answer: (A)

$Rb^+ > K^+ > Na^+ > Li^+$

Answer 2

The correct option is (A): $Rb^+ > K^+ > Na^+ > Li^+$.