Question:
\([Ag(NCS)_2]^-\) and \([Ag(SCN)_2]^-\) are
\([Ag(NCS)_2]^-\) and \([Ag(SCN)_2]^-\) are
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Common ambidentate ligands include \(SCN^-\), \(NO_2^-\), and \(CN^-\). If you see these ligands in different forms (like \(ONO\) vs \(NO_2\)), it's almost always linkage isomerism.
Updated On: Apr 29, 2026
- coordination isomers
- ionisation isomers
- linkage isomers
- solvate isomers
- optical isomers
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Linkage isomerism occurs when a coordination compound contains an ambidentate ligand.
Step 3: Detailed Explanation:
An ambidentate ligand is a ligand that has two different donor atoms and can coordinate to the central metal through either of them.
The thiocyanate ion (\(SCN^-\)) can bond through:
1. The Sulfur atom (\(S-CN\)): Thiocyanato-S.
2. The Nitrogen atom (\(N-CS\)): Isothiocyanato-N.
Since \([Ag(NCS)_2]^-\) and \([Ag(SCN)_2]^-\) have the same formula but different donor atom linkages, they are linkage isomers.
Step 4: Final Answer:
They are linkage isomers.
Linkage isomerism occurs when a coordination compound contains an ambidentate ligand.
Step 3: Detailed Explanation:
An ambidentate ligand is a ligand that has two different donor atoms and can coordinate to the central metal through either of them.
The thiocyanate ion (\(SCN^-\)) can bond through:
1. The Sulfur atom (\(S-CN\)): Thiocyanato-S.
2. The Nitrogen atom (\(N-CS\)): Isothiocyanato-N.
Since \([Ag(NCS)_2]^-\) and \([Ag(SCN)_2]^-\) have the same formula but different donor atom linkages, they are linkage isomers.
Step 4: Final Answer:
They are linkage isomers.
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