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← ScienceWhich outcome destabilizes a coordination complex when antibonding orbitals become populated?
A)Increased ligand field splitting energy
B)Decreased metal-ligand bond order✓
C)Enhanced back-bonding interaction
D)Increased complex formation constant
💡 Explanation
A coordination complex is destabilized because populating antibonding orbitals reduces the effective overlap; this lowers the overall metal-ligand bond order, which weakens the interaction and reduces stability, rather than strengthening the bond interaction or increasing the complex stability.
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