Important Terms Related to Coordination Compounds

The coordination number of a central metal atom in the complex is determined by

The coordination number of copper in cuprammine sulphate is:

The correct definition of coordination number of a central metal atom in a complex is

Oxidation number of $\mathrm{Fe}$ in ${\mathrm{K}}_3\left[\mathrm{Fe}\right(\mathrm{CN}{)}_6]$ is :

${\left[\mathrm{M}{\left({\mathrm{H}}_2\mathrm{O}\right)}_4\right]}^{+2}+4{\mathrm{CH}}_3{\mathrm{NH}}_2\stackrel{{\mathrm{K}}_1}{\to }\mathrm{A}; ∆{\mathrm{G}}_1^0$

${\left[\mathrm{M}{\left({\mathrm{H}}_2\mathrm{O}\right)}_4\right]}^{+2}+2{\mathrm{H}}_2{\mathrm{NCH}}_2{\mathrm{CH}}_2{\mathrm{NH}}_2\stackrel{{\mathrm{K}}_2}{\to }\mathrm{B}; ∆{\mathrm{G}}_2^0$

In the above reaction

(a) $∆{\mathrm{G}}_2^0$ is more negative than $∆{\mathrm{G}}_1^0$.

(b) Complex $\mathrm{A}$ is optically inactive.

(c) Entropy change is higher for the reaction of formation of complex $\mathrm{B}$.

(d) Formation constant ${\mathrm{K}}_2$ is greater than formation constant ${\mathrm{K}}_1$.

Choose the correct option.

Ammonia forms the complex ${\left[\mathrm{Cu}{\left({\mathrm{NH}}_3\right)}_4\right]}^{2+}$ with copper ions in alkaline solutions, but not in acidic solutions. Why?

Which of the following complexes is the most stable?

The ligand diethylenetriamine is _______.

The oxidation state and coordination number of the central metal ion in ${\mathrm{K}}_4\left[\mathrm{Fe}\right(\mathrm{CN}{)}_6 ]$

The oxidation state and coordination number of the central metal ion in $\left[\mathrm{Co}\right(\mathrm{en}{)}_3 {]}^{3+}$

A bidentate ligand is:

What is the oxidation state of $\mathrm{Ni}$ in $\left[\mathrm{Ni}(\mathrm{CO}{)}_4\right]$?

Ethylenediamine $\left(\mathrm{en}\right)$

What is the coordination number of $\mathrm{Fe}$ in the complexes ${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{4-}, {\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{3-}$ and ${\left[{\mathrm{FeCl}}_4\right]}^{-}$, respectively?

Hydrazine $({\mathrm{NH}}_2-{\mathrm{NH}}_2)$ serves as :

Which of the following complex has chelating ligand?

Which of the following is not a bidentate ligand :-

Which of the following match is incorrect ?

One mole of complex compound $\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_5{\mathrm{Cl}}_3$ give $3$ moles of ions on dissolution in water. One mole of the same complex reacts with two moles of ${\mathrm{AgNO}}_3$ solution to yield two moles of $\mathrm{AgCl}\left(\mathrm{s}\right)$. The structure of the complex is