JEE CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

1 Hard

1 of 1

Analyzing +4 | -1

Choose the correct order for

\Delta_{0}

for the following complexes.

(I)

\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}\quad

(II)

\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}

(III)

\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}\quad

(IV)

\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}

View answer and explanation

Correct option: B

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III

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Option B (I

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III

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IV) is correct because it correctly orders the crystal field splitting energy based on charge, metal, and ligand strength.

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\left[{Co}\left({NH}_3\right)_5({ONO})\right] {Cl}_2 \ldots \ldots \ldots

\left[{Cu}\left({NH}_3\right)_4\right]\left[{PtCl}_4\right] \,\, \& \,\, \left[{Pt}\left({NH}_3\right)_4\right]\left[{CuCl}_4\right] \ldots \ldots \ldots

\left[{Pt}\left({NH}_3\right)_4 {Cl}_2\right] {Br}_2 \, \, \& \, \, \left[{Pt}\left({NH}_3\right)_4 {Br}_2\right]{Cl}_2 \ldots \ldots \ldots