Question

What is the IUPAC name of $\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{SO}}_4$?

Answer 1

Coordination entity:

• “A coordination entity constitutes a central metal atom or ion bonded to a fixed number of ions or molecules.”
• “In a coordination entity, the atom/ion to which a fixed number of ions/groups are bound in a definite geometrical arrangement around it is called the central atom or ion.”
• “The ions or molecules bound to the central atom/ion in the coordination entity are called ligands.”
• An example of a Coordination complex is $\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{SO}}_4$ in which Iron is a central metal atom and water is ligands.

IUPAC name of $\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{SO}}_4$:

• The IUPAC name of $\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{SO}}_4$ is Hexaaquairon$\left(\mathrm{II}\right)$sulfate .