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Question
Write down the IUPAC name of the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give the stereochemistry and magnetic moment of the complex:
[CrCl3(py)3]
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Solution
| IUPAC name of the hybrid compound | Oxidation state of the central metal | Coordination number | Shape | Central metal ion | Electronic configuration | The value of n and the magnetic moment |
| Trichloridotripyridinechromium (III) |
x + 5 × (0) + 3 × (−1) = 0 ∴ x = +3 |
6 | Octahedral | Cr3+ | d3, \[\ce{t^3_{2g}}\] |
`sqrt(3(3 + 2))` = 3.87 BM |
Stereochemistry:
Both isomers are optically active. Therefore, a total of 4 isomers exist.
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