Question

what is the IUPAC name of [Co(NH3)5(ONO)]Cl2?

Answer 1

Pentaaminenitrito-O-cobalt(III) chloride

Answer 2

IUPAC name of compound $[Co(NH_3)_5(ONO)Cl_2]$ is Nitropentaamine cobalt (III) chloride.

Explanation:

• The following steps must be followed to write the IUPAC name of coordination compounds:

1. The name of the ligand and metal ion must be first written.
2. The neutral ligand must be written first, followed by the negative and lastly the positive one must be written.
3. In the case of more than one ligand, alphabetical order must be used.
4. The suffix "-ido" must be added to the names of the anions.
5. The central atom must be named and its oxidation number must be mentioned in the brackets.

• Thus according to the above-given steps, the IUPAC name of the compound $[Co(NH_3)_5(ONO)Cl_2]$ is Nitropentaamine cobalt (III) chloride.

Learn more about such concept

Write the IUPAC name of [Co(NH3)6]Cl3

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Write the IUPAC names of the following coordination compounds: (i) [Co(NH3)6]Cl3 (ii) [Co(NH3)5Cl]Cl2 (iii) K3[Fe(CN)6] (iv) K3[Fe(C2O4)3] (v) K2[PdCl4] (vi) [Pt(NH3)2Cl(NH2CH3)]Cl

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