Identify an ambidentate ligand (one that can form linkage isomers)

1. A.
   SCN⁻
2. B.
   H₂O
3. C.
   CN⁻
4. D.
   C₂O₄²⁻

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1. A.
   Aqua
2. B.
   Ethylenediamine
3. C.
   Sulphato
4. D.
   Nitrito

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1. A.
   Aqua
2. B.
   Ammine
3. C.
   Iodo
4. D.
   Nitro

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1. A.
   Triamminetrinitrocobalt (III)
2. B.
   Pentacarbonyliron (0)
3. C.
   Tetraaminecopper (II) ion
4. D.
   Trioxalatocobaltate (III) ion

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1. A.
   Oxalate ion, $\mathrm{NO_2^-}$, $\mathrm{NCS^-}$
2. B.
   $\mathrm{C_2O_4^{2-}}$, Ethylene diamine, $\mathrm{H_2O}$
3. C.
   $\mathrm{NO_2^-}$, $\mathrm{C_2O_4^{2-}}$, $\mathrm{EDTA^{4-}}$
4. D.
   $\mathrm{EDTA^{4-}}$, $\mathrm{NCS^-}$, Oxalate ion

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1. A.
   Ethylene diamine
2. B.
   $\mathrm{Cl^-}$
3. C.
   EDTA
4. D.
   SCN

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