The correct order of increasing ionisation potentials of K + , Ar, Cl – is

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. K⁺ < Ar < Cl^–
2. Cl^– < K⁺ < Ar
3. Cl^– < Ar < K⁺
4. Ar < Cl^– < K⁺

Answer

(C) Cl – +

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