GravitationHard

Question

The increasing order of the ionic radii of the given isoelectronic species is :-

Options

A.K⁺, S^2-, Ca²⁺ , Cl^-

B.Cl^-, Ca²⁺, K⁺ , S^2-

C.S^2-, Cl^-, Ca²⁺, K⁺

D.Ca²⁺, K⁺, Cl^-, S^2-

Solution

In isoelectronic ions

Size Ca²⁺ < K⁺ < Cl^- < S^2-

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