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← ScienceWhich outcome limits catalytic efficiency when metal d-orbitals mismatch ligands?
A)Increased steric hindrance occurs
B)Decreased vibrational mode excitation
C)Reduced nucleophilic activity develops
D)Lowered orbital overlap results✓
💡 Explanation
Reduced catalytic efficiency results from poor ligand-metal orbital interactions because the **poor sigma/pi bonding** weakens reactant binding; therefore, lowered overlaps hinder electron reshuffling rather than only steric effects.
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