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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
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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