Coordination CompoundHard
Question
The correct IUPAC name for the compound [Co(NH3)4CI(ONO)]Cl is :
Options
A.Tetraamminechloridonitrito-N-cobalt(III) chloride
B.Chloridonitrito-O-tetraamminecobalt(II) chloride
C.Dichloridonitrito-O-tetraamminecobalt(III)
D.Tetraamminechloridonitrito-O-cobalt(III) chloride
Solution
Cation is named first followed by anion. In coordination sphere the ligands are named alphabetically followed by name of metal ion and then its oxidation state in Roman numeral.
In [Co(NH3)4Cl(ONO)]+Cl-, cobalt is in +3 oxidation state and the complex is cationic. ONO ligand attach to metal ion through O atom ; so - O - is used while naming as nitrito before the name of metal ion. So IUPAC name given in option (D) is correct.
In [Co(NH3)4Cl(ONO)]+Cl-, cobalt is in +3 oxidation state and the complex is cationic. ONO ligand attach to metal ion through O atom ; so - O - is used while naming as nitrito before the name of metal ion. So IUPAC name given in option (D) is correct.
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