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← ScienceWhich outcome inhibits catalytic function when d-orbital splitting is diminished?
A)Reduced reactant adsorption strength✓
B)Increased surface diffusion barrier
C)Enhanced product dissociation rate
D)Stabilized high-spin metal configuration
💡 Explanation
Reduced d-orbital splitting leads to weakened metal-ligand interactions because the crystal field stabilization energy (CFSE) decreases. Therefore, reactant adsorption is reduced, rather than enhanced diffusion or dissociation which needs stronger interactions.
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