Chapter 20, Problem 20.28CP

(a)

Interpretation Introduction

Interpretation:

For the given isomers of ${\left[\text{Cr}{\left({\text{NH}}_{\text{3}}\right)}_{\text{2}}{\text{Cl}}_{\text{4}}\right]}^{\text{-}}$, cis and trans label has to be given.

(b)

Interpretation Introduction

Interpretation:

From the given isomers of ${\left[\text{Cr}{\left({\text{NH}}_{\text{3}}\right)}_{\text{2}}{\text{Cl}}_{\text{4}}\right]}^{\text{-}}$, identical and different isomers has to be identified.

(c)

Interpretation Introduction

Interpretation:

From the given isomers of ${\left[\text{Cr}{\left({\text{NH}}_{\text{3}}\right)}_{\text{2}}{\text{Cl}}_{\text{4}}\right]}^{\text{-}}$, whether any isomer has enantiomer or not has to be checked.