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natulia [17]
3 years ago
14

Determine the number of unpaired electrons in the octahedral coordination complex [fex6]3–, where x = any halide.

Physics
1 answer:
juin [17]3 years ago
3 0
There will be four unpaired electrons
The metal complex is [FeX₆]³⁻
X being the halogen ligand 
X = F, CL, Br, and I
The oxidation of metal state is +3
The ground state configuration is
₂₆Fe =Is² 2s²2p⁶ 3s² 3p⁶ 3d⁶ 4s²
Metal, Fe(III) ion electron configures
₂₆Fe³⁺ = Is2 2s² 2p⁶ 3s² 3p⁶ 3d⁵
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