Question

Which one is correct order of increasing order of ionic radius ?

(a) Li < Mg²⁺ < K⁺ < Al ³⁺ 

(b) Al³⁺ < Li < Mg²⁺ < K⁺ 

(c) Al³⁺ < Mg²⁺ < K⁺ < Li 

(d) K⁺ <  Al⁺³ < Mg⁺² < Li⁺

Answer 1

Correct option is : (c) Al³⁺ < Mg²⁺ < K⁺ < Li