Embibe Experts Solutions for Chapter: Coordination Compounds, Exercise 2: Exercise 2

${\mathrm{CrO}}_4^{2-}+{\mathrm{H}}^{+}+{\mathrm{H}}_2{\mathrm{O}}_2\stackrel{ \mathrm{ether}}{⟶}\mathrm{X}+{\mathrm{H}}_2\mathrm{O}$

Identify the correct statement with respect to $\mathrm{X}$.

In the fourth group, a white precipitate of $\mathrm{Mn}{\left(\mathrm{OH}\right)}_2$, on heating with ${\mathrm{PbO}}_2$ and concentrated ${\mathrm{HNO}}_3$, gives a red-violet (purple) colour due to the formation of

A complex cation is formed by Pt (in some oxidation state) with ligands (in proper number so that coordination number of Pt becomes six). Which of the following can be its correct $\mathrm{IUPAC}$ name :

Which kind of isomerism is shown by the complex $\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_5\left(\mathrm{ONO}\right)\right]{\mathrm{SO}}_4$ ?

1. Ionisation isomerism

2. Linkage isomerism

3. Geometrical isomerism

4. Optical isomerism

Which of the following species is not expected to be a ligand?

A complex anion is formed by Osmium (in some oxidation state) with ligands (in proper number, so that the coordination number of osmium becomes six). Which of the following can be its correct $\mathrm{IUPAC}$ name?

Consider the following statements:

According to Werner's theory:

(1) Ligands are connected to the metal ions by ionic bonds.

(2) Secondary valencies have directional properties

(3) Secondary valencies are non-ionisable

Of these statements:

Arrange the following in order of decreasing number of unpaired electrons.

(I) ${\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}$    (II) ${\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]}^{3-}$    (III) ${\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]}^{4-}$   (IV) ${\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+}$