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← ScienceWhich outcome affects nitrogen fixation using iron-sulfur clusters?
A)Orbital hybridization prevents complete electron transfer
B)Ligand field splitting alters redox potentials✓
C)Electron delocalization avoids superoxo formation
D)Hydrogen bonding prevents substrate reduction
💡 Explanation
Ligand field splitting affects the electronic structure of the iron-sulfur clusters, altering their redox potentials, because it modifies the d-orbital energies. Therefore, nitrogen fixation efficiency changes, rather than preventing electron transfer due to orbital hybridization.
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