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Coordination Compounds — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
MCQ
Which among the following cations forms a least stable complex if the ligand is same?
  • A
    $Fe ^{2+}$
  • B
    $Ni ^{2+}$
  • ✓
    $Cd ^{2+}$
  • D
    $Co ^{2+}$
✓

Answer

Correct option: C.
$Cd ^{2+}$
(c) : For a given ligand, the stability of complexes of metallic ions having the same charge on them decreases with the increase of the size of the central metal ions.

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