K L Chugh Solutions for Chapter: Coordination Compounds, Exercise 9: Follow Up Problems

Give the oxidation state, $\mathrm{d}-$orbital occupation and coordination of the central metal atom in the following complex:

${\mathrm{K}}_3\left[\mathrm{Co}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]$

Give the oxidation state, $\mathrm{d}$ orbital occupation and coordination number of the central metal ion in the following complex:

$\mathrm{cis}‐\left[\mathrm{Cr}{\left(\mathrm{en}\right)}_2{\mathrm{Cl}}_2\right]\mathrm{Cl}$

Give the oxidation state, $\mathrm{d}$ orbital occupation and coordination number of the central metal ion in the following complex:

${\left({\mathrm{NH}}_4\right)}_2\left[{\mathrm{CoF}}_4\right]$

Give the oxidation state, $\mathrm{d}$ orbital occupation and coordination number of the central metal ion in the following complex

$\left[\mathrm{Mn}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{SO}}_4$

Write down the IUPAC name for the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give stereochemistry and magnetic moment of the complex:
 $\mathrm{K}\left[\mathrm{C}\mathrm{r}{\left({\mathrm{H}}_2\mathrm{O}\right)}_2{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_2\right].3{\mathrm{H}}_2\mathrm{O}$

Write down the IUPAC name for the following complex and indicate the oxidation state, electronic configuration and coordination number. Also, give stereochemistry and magnetic moment of the complex:
${\mathrm{CrCl}}_3{\left(\mathrm{py}\right)}_3$

Amongst the following ions which one has the highest magnetic moment value?

What will be the correct order for the wavelengths of absorption in the visible region for the following:
${\left[\mathrm{N}\mathrm{i}{\left(\mathrm{N}{\mathrm{O}}_2\right)}_6\right]}^{4-}, {\left[\mathrm{N}\mathrm{i}{\left(\mathrm{N}{\mathrm{H}}_3\right)}_6\right]}^{2+}, {\left[\mathrm{N}\mathrm{i}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}$