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BITSAT2011ChemistryCoordination CompoundsActual

The most stable ion is

Options

  1. A[ Fe ( OH )₃ ]³⁻
  2. B[ FeCl ₆ ]³⁻
  3. C[ Fe ( CN )₆ ]³⁻
  4. D[ Fe ( H ₂ O )₆ ]³⁺

Correct answer

B. [ FeCl ₆ ]³⁻

Step-by-step solution

A more basic ligand forms stable bond with metal ion, Cl ⁻ is most basic amongst all.

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