Question

The IUPAC name of $\left[Co{\left(N{H}_3\right)}_6\right]C{l}_3$ is hexaammine cobalt ( III ) chloride.

• A. True
• B. False

Answer 1

The correct option is A True

True. $\left[Co\right(N{H}_3{)}_6{]}^{3+}C{l}_3^{-}$

Write cation name first

In cation, write ligand name first mentioning the number of ligands as prefix.

Oxidation state of ${}^{\prime }C{O}^{\prime }$:

$x+6\left(0\right)=3$

$x=3$

IUPAC Name is Hexaammine Cobalt (III) Chloride.