JEE Main 2012Annual, Paper 1ChemistryHardClassification of Elements and Periodicity in Properties127× since 2002The increasing order of the ionic radii of the given isoelectronic species is :AOption A. Cl^–, Ca²⁺ , K⁺ , S2–BOption B. S2–, Cl^–, Ca²⁺ , K⁺COption C. Ca²⁺ , K⁺ , Cl^– , S2–DOption D. K⁺, S2–, Ca²⁺, Cl^–CheckSkip · show solution