In the complex [Cr(H2O)4(NO2)2]I, chromium (Cr) is the central metal atom. It is surrounded by four water molecules (H2O) and two nitrite ligands (NO2).
The coordination number of chromium in this complex is 6, as it is bonded to a total of six ligands (4 from H2O and 2 from NO2).
The geometry of the complex is octahedral. In octahedral geometry, the six ligands are arranged around the central metal atom at the corners of an octahedron.
In summary:
- Coordination number: 6
- Geometry: Octahedral
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