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Coordination Compounds question

2008 · Q85
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Coordination Compounds question

2008 · Q85

NEETChemistryCoordination CompoundsMCQ+4 / −1
In which of the following coordination entities the magnitude of Δ\DeltaΔo (CFSE in octahedral field) will be maximum?
(At. No. Co = 27)
  1. A
    [Co(CN)6]3−-−
  2. B
    [Co(C2O4)3]3−-−
  3. C
    [Co(H2O)6]3+
  4. D
    [Co(NH3)6]3+
View written solutionFree

Correct answer: A

In all the given options the central metal atom is same and contain same number of d electrons. Thus, CFSE is decided by ligands. In case of strong field ligand, CFSE is maximum, CN– is a strong field ligand hence is [Co(CN)6]3– so CFSE is maximum.

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