This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Linkage isomerism is a type of structural isomerism in coordination compounds. It occurs when an ambidentate ligand can bind to the central metal ion through two different donor atoms. An ambidentate ligand is a ligand that has more than one atom capable of forming a coordinate bond with the central metal, but only one atom forms the bond at a time. For example, the nitrite ion (NO_2^-) is an ambidentate ligand. • It can bind through the nitrogen atom, forming a nitro complex (e.g., Co-NO_2). This is shown in [Co(NO_2)(NH_3)_5]Cl_2, which is yellow and stable. • It can also bind through an oxygen atom, forming a nitrito complex (e.g., Co-ONO). This is shown in [Co(ONO)(NH_3)_5]Cl_2, which is red and less stable. These two complexes are linkage isomers because they have the same chemical formula but differ in the atom through which the NO_2^- ligand is attached to the cobalt metal. 3 done, 2 left today. You're making progress.