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The complex [NiCl(4)]^(2-) has tetrahedr...

The complex `[NiCl_(4)]^(2-)` has tetrahedral geometry while `[Ni(CN)_(4)]^(2-)` has square planar geometry. Explain.

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To explain the difference in geometries of the complexes \([NiCl_4]^{2-}\) and \([Ni(CN)_4]^{2-}\), we will analyze the oxidation state of nickel, its electronic configuration, the nature of the ligands, and the resulting hybridization. ### Step-by-Step Solution: 1. **Determine the Oxidation State of Nickel:** - For both complexes, we can determine the oxidation state of nickel (Ni). - In \([NiCl_4]^{2-}\): Let the oxidation state of Ni be \(x\). \[ ...
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