Which of the following pairs of coordination complexes are linkage isomers? a.[Pt(Cl)2(SCN)4]4− and [Pt(Cl)2(NCS)4]4− b.[Pt(Cl)2(SCN)4]4− and...

Which of the following pairs of coordination complexes are linkage isomers?

a.[Pt(Cl)2(SCN)4]4− and [Pt(Cl)2(NCS)4]4−

b.[Pt(Cl)2(SCN)4]4− and [Pt(Cl)4(SCN)2]4−

c.K4[Pt(Cl)2(SCN)4] and Na4[Pt(Cl)2(SCN)4]

Expert Solution

Linkage isomers should have (i) same composition (ii) a different connection of ligand attached
to the metal.
In option a) we can observe that both the compounds have same composition. However
the first compound is attached through S which is a thiocyanate SCN^- and for the other
compound it is attached through N which is a isothiocyanate NCS^-
For option b) you can observe that both ligands have different composition so, here first
criteria is not satisfied.
Option c) has the same ligand attached to the metal, although it has same composition
so, the second criteria is not satisfied here.
Hence Option a) is the correct answer.

queen_honey_blossom answered 2 years ago

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