What is the difference between inner and outer orbital complexes?

Explanation

### Step-by-Step Solution:

1. **Definition of Inner and Outer Orbital Complexes**:
- Inner orbital complexes are formed when the inner d orbitals (n-1)d are involved in bonding.
- Outer orbital complexes are formed when the outer d orbitals (n)d are involved in bonding.

2. **Hybridization**:
- In inner orbital complexes, the hybridization typically involves the (n-1)d orbitals along with s and p orbitals. For example, in the case of an octahedral complex formed by an inner orbital, the hybridization can be D2sp3.
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