The most stable ion is

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Question: Answered & Verified by Expert

The most stable ion is

ChemistryCoordination CompoundsBITSATBITSAT 2011

Options:

A $\left[\mathrm{Fe}(\mathrm{OH})_{3}\right]^{3-}$
B $\left[\mathrm{FeCl}_{6}\right]^{3-}$
C $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$
D $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$

Solution:

2529 Upvotes Verified Answer

The correct answer is: $\left[\mathrm{FeCl}_{6}\right]^{3-}$

A more basic ligand forms stable bond with metal ion, $\mathrm{Cl}^{-}$ is most basic amongst all.

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