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Q.
The correct IUPAC name of compound $\left[ Co \left( NH _{3}\right)_{5} NO _{2}\right] Cl _{2}$ is:
NTA AbhyasNTA Abhyas 2022
Solution:
In the compounds $\left[ Co \left( NH _{3}\right)_{5} NO _{2}\right] Cl _{2}$ , the oxidation state of cobalt is +3 and here 5 $NH_{3}$ ligand, a $NO_{2}$ ligand are attached to the central atom. therefore its name is pentaamminecobalt $\left(\right.III\left.\right)$ chloride.