Answer to Question #32189 in Inorganic Chemistry for BMALATHY
2.WHICH COMPLEX ABSORB LIGHT IN LONGER WAVELENGTH?
- no two electrons may have the same set of quantum numbers (Pauli exclusion principle)
- only unique microstates may be included
Number of microstates in a free-ion term is equal to (2L + 1)(2S +1).
2. Absorbing at longest wavelength means having the smallest energy difference in the orbitals.
The colors of the compounds are related to the magnitude of ? (the d-orbital splitting value). The weak field compounds will have the smallest, so the light absorbed will be longest.
Strong-field ligands absorb higher energy light (violet light, for example, with ~400 nm), while weak-field ligands absorb lower energy light (red light, for example, with ~650 nm).
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