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Linkage Isomerism

Mediumchemistry

Which pair represents linkage isomers?

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About This Question

Subject
chemistry
Chapter
coordination compounds
Topic
linkage isomerism
Difficulty
Medium
Year
2025
Tags
Ambidentate LigandNitroNitrito

Solution

Correct Answer:

Nitrite is an ambidentate ligand and can bind through N (nitro) or O (nitrito). Therefore [Co(NH3)5(NO2)]2+ and [Co(NH3)5(ONO)]2+ have the same composition but differ in donor atom attachment, making them linkage isomers.

This medium difficulty chemistry question is from the chapter coordination compounds, covering the topic of linkage isomerism. It appeared in the 2025 exam.

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