Co-Ordination Compounds Question 213

Question: IUPAC name of [Co(NH3)5NO2]Cl2

[Pb. CET 2000]

Options:

A) Pentamminenitrocobalt (III) chloride

B) Pentamminenitrosocobalt (III) chloride

C) Pentamminenitrocobalt (II) chloride

D) None of these

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Answer:

Correct Answer: A

Solution:

In the compounds [Co(NH3)5NO2]Cl2 , the oxidation state of cobalt is +3 and here 5 NH3 ligand, a NO2 ligand are attached to the central atom.

therefore its name is pentaamminecobalt (III) chloride.



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