JEE Main 202125 Jul, Morning shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002The ionic radii of K⁺, Na⁺, Al³⁺ and Mg²⁺ are in the order:AOption A. Na⁺ < K⁺ < Mg²⁺ < Al³⁺BOption B. Al³⁺ < Mg²⁺ < K⁺ < Na⁺COption C. Al³⁺ < Mg²⁺ < Na⁺ < K⁺DOption D. K⁺ < Al³⁺ < Mg²⁺ < Na⁺CheckSkip · show solution