The molecular formula of tris(ethylenediamine)cobalt$(III)$ sulfate is:

Explain the following term with an example: Tetradentate ligands.

The number of unidentate ligands attached to the central metal ion in a complex is called:

Identify the total number of complexes having bidentate ligands in them from the following list of complexes:
$a$) Tetracyanonickelate$(II)$ ion
$b$) Trioxalatocobaltate$(III)$ ion
$c$) Sodium hexafluoroaluminate$(III)$
$d$) bis(ethylenediamine)dithiocyanatoplatinum$(IV)$

Which one is a Homoleptic complex?

Which of the following coordination compounds will yield the maximum amount of $AgCl$ upon reaction with an excess of $AgNO_3$ for $1 \ mol$ of the compound?