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Science Bowl Question

📅 MIT Science Bowl 2022🎓 HS🔄 Round 13#️⃣ Question 16🌟 BONUS📝 Multiple Choice

Which of the following statements best explains why an N-heterocyclic carbene (NHC) ligand was chosen for the Grubbs generation II catalyst?

W) A sigma-donating NHC ligand accelerates the rate of phosphine dissociation
X) A pi-donating NHC ligand accelerates the rate of phosphine dissociation
Y) A sigma-donating NHC ligand accelerates the rate of alkene coordination
Z) A pi-donating NHC ligand accelerates the rate of alkene coordination
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