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← ScienceWhich consequence results due to increased electron shielding in transition metal complexes?
A)Laporte selection rule relaxation✓
B)Increased covalent bond strength
C)Increased crystal field splitting
D)Enhanced diamagnetic susceptibility
💡 Explanation
The relaxation of the Laporte selection rule occurs because increased electron shielding weakens selection rules by reducing the symmetry restrictions. Because dipole transitions become partially allowed; therefore, the intensity of d-d transitions increases, rather than decreased splitting due to stronger fields.
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