A-LevelChemistryChemical bondingOct/Nov 2021Paper 4 Q515 Marks
Transition elements form complexes. (a) Molybdenum, Mo, forms an octahedral complex consisting of one Mo atom surrounded by carbon monoxide, CO, molecules. CO is a monodentate ligand. Iron forms an octahedral complex consisting of one Fe³⁺ and a number of cyanide, CN⁻, ions. CN⁻ is a monodentate ligand. [Figure not explicitly referenced, but implied for drawing in (a)(iii)]
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