Classification of Matter A.1 Periodic Table Elements Classification (id: 4c7f587

本题目来源于试卷: Classification of Matter A.1 Periodic Table Elements Classification，类别为 IB化学

[问答题]
The bidentate ligandcp2qi l xc80y9kvd- zk0.8tao, phenanthroline (phenjlqv-supv*fjr 9qtf6uq /m gw: rooe. :6h.7 1) has the structure below.



1.Use the diagram above to demonstrate how phenanthroline can act as a ligand to $M^+$ ions.
2.Phenanthroline forms the complex $[Cr(phen)_3]^{3+}$ with chromium ions.
(1)State the charge and the electron configuration of the central chromium ion.2
(2)Explain why the salts of $[Cr(phen)_3]^{3+}$ complex exhibit magnetic properties.1
3.The tetradentate (4-coordinate) ligand, salen, forms complexes with $Co^{3+}$ ions and can produce the compound [Co(salen)]Cl. Deduce the charge of the salen ligand.

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