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Isomerism in Coordination Complexes
24. Transition Metals and Coordination Compounds / Isomerism in Coordination Complexes / Problem 3

The octahedral complex [Sc(H2O)3(CN)3] reacts with HF and produces a complex [Sc(H2O)4F2]+. The two F ligands are trans to one another.

a) Sketch the two possible stereoisomers of the starting material [Sc(H2O)3(CN)3].

b) Identify which of the two starting isomers could produce the observed product, assuming that the CN groups remain in place.

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