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Which 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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