(a) For the complex `[Fe(H_(2)O)_(6)]^(3+)` , write the hybridization, magnetic character and spin of the complex. (At. Number : `Fe =26`)
(b) Draw one of the geometrical isomers of the complex `[Pt(en)_(2)Cl_(2)]^(2+)` which is optically inactive.

Explanation

### Solution:

#### (a) For the complex \([Fe(H_2O)_6]^{3+}\):

1. **Determine the oxidation state of Iron (Fe)**:
- The overall charge of the complex is \( +3 \).
- Since water (H₂O) is a neutral ligand, the oxidation state of Fe in \([Fe(H_2O)_6]^{3+}\) is \( +3 \).

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