Linkage Isomerism
Which pair represents linkage isomerism?
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About This Question
- Subject
- chemistry
- Chapter
- coordination compounds
- Topic
- linkage isomerism
- Difficulty
- Easy
- Year
- 2025
Solution
- Linkage Isomerism: Occurs when an ambidentate ligand bonds to the metal center through two different possible donor atoms.
- Case Analysis: The ligand NO2− can bind through the Nitrogen atom (Nitro, −NO2) or through an Oxygen atom (Nitrito, −ONO).
- Difference: The nitro isomer is usually yellow/orange, while the nitrito isomer is typically red. They have different physical and chemical properties.
- Other options: Option 2 involves different stoichiometry. Option 3 features different oxidation states.
This easy 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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