Question

The correct IUPAC name of $\left[CO{\left(N{H}_3\right)}_3{\left(N{O}_2\right)}_3\right]$ is:

• A. triammine trinitrito - $N$ cobalt (III)
• B. triammine trinitrito - $N$ cobalt (II)
• C. triammine cobalt (III) nitrite
• D. triammine trinitrito - $N$ cobaltate (III)

Answer 1

The correct option is A triammine trinitrito - $N$ cobalt (III)

Ligands are named first with alphabetical order first.

Here$-N$ represents donating site of $N{O}_2$ through $N$ atom.