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Which consequence results when a sterically hindered platinum complex experiences ligand substitution?

A)Increased rate of oxidative addition
B)Preferential associative substitution
C)Enhanced dissociative substitution
D)Increased orbital overlap with reactants

💡 Explanation

Enhanced dissociative substitution occurs because steric hindrance destabilizes transition states with increased coordination number; the steric bulk encourages ligand dissociation via a dissociative mechanism, rather than associative pathways, therefore leading to faster substitution when ligands leave.

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