MCQ
Ionic sizes increase in the order :-
- ✓$Ca^{2+} < Cl^-< S^{2-} < Ar$
- B$Ar < Ca^{2+} < Cl^-< S^{2-}$
- C$Cl^-< Ca^{2+} < Ar < S^{2-}$
- D$S^{2-} < Cl^-< Ca^{2+} < Ar$
✓
Answer
Correct option: A.
$Ca^{2+} < Cl^-< S^{2-} < Ar$
a
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