Embibe Experts Solutions for Chapter: Coordination Compounds, Exercise 4: EXERCISE-4

Which of the following complexes formed by ${\mathrm{Cu}}^{2+}$ ions is most stable?

The stabilisation of coordination compounds due to chelation is called the heated effect. Which of the following is the most stable complex species?

A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?

What kind of isomerism exists between $\left[\mathrm{Cr}\left({\mathrm{H}}_2\mathrm{O}{)}_6\right)\right]{\mathrm{Cl}}_3$ (violet) and $\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{Cl}\right]{\mathrm{Cl}}_2\cdot {\mathrm{H}}_2\mathrm{O}$ (greyish-green)?

Atomic number of $\mathrm{Mn},\mathrm{Fe}$ and $\mathrm{Co}$ are $25,26$ and $27$ respectively. Which of the following inner orbital octahedral complex ions are diamagnetic?

Which of the following complexes are homoleptic?

Arrange following complex ions in increasing order of crystal field splitting energy $\left(\mathrm{O}\right)$:

${\left[\mathrm{Cr}{\left(\mathrm{Cl}\right)}_6\right]}^{3-},{\left[\mathrm{Cr}{\left(\mathrm{CN}\right)}_6\right]}^{3-},{\left[\mathrm{Cr}{\left({\mathrm{NH}}_3\right)}_6\right]}^{3+}$

Using crystal field theory, draw energy level diagram, write electronic configuration of the central metal atom/ion and determine the magnetic moment value in the following:

(i) ${\left[{\mathrm{CoF}}_6\right]}^{3-},{\left[\mathrm{Co}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+},{\left[\mathrm{Co}{\left(\mathrm{CN}\right)}_6\right]}^{3-}$

(ii) ${\left[{\mathrm{FeF}}_6\right]}^{3-},{\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+},{\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]}^{4-}$