Seema Saini Solutions for Chapter: Coordination Compounds, Exercise 3: DPP

A complex has the empirical formula ${\mathrm{CoCl}}_3·6{\mathrm{H}}_2\mathrm{O}.$ Which of the following statement(s) is/are correct?

Compound

$\mathrm{P}:\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_4{\mathrm{Cl}}_2\right]\mathrm{Br}·2{\mathrm{H}}_2\mathrm{O}$

$\mathrm{Q}:\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_4{\mathrm{Br}}_2\right]\mathrm{Cl}·2{\mathrm{H}}_2\mathrm{O}$

$\mathrm{R}:\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{Cl}\right]{\mathrm{Br}}_2·1{\mathrm{H}}_2\mathrm{O}$

$\mathrm{S}:\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{Cl}}_3$

Incorrect statement(s) are:

Which of the following can show coordination isomerism?

The octahedral complex which neither shows ionisation nor hydrate isomerism:

A complex of $\left[\mathrm{Pt}(\mathrm{L}{)}_{\mathrm{x}}\right]\left[\mathrm{Pt}(\mathrm{L}\text{'}{)}_{\mathrm{y}}\right]$ is prepared by reaction of platinum ions ${\mathrm{NH}}_3\left(\mathrm{L}\text{ or }{\mathrm{L}}^{\text{'}}\right)$ and ${\mathrm{C}}_2{\mathrm{O}}_4^{2-}\left(\mathrm{L}\text{ or }{\mathrm{L}}^{\text{'}}\right)$. Which of the following statements must be true for the complex?

The type of isomerism present in pentamminenitrochromium$\left(\mathrm{III}\right)$ chloride is

Which of the ligands can show linkage isomerism?

Which of the following complexes show linkage isomerism?