Chapter 8, Problem 9E

(a)

Interpretation Introduction

Interpretation: Coordination number of given metal complex is $5$ . Also the geometry of the given metal; complex is trigonal bipyramidal are given. Various question based on the given information has to be determined.

Concept introduction: Compounds that contain coordinated bond between metal atom and ligands are called coordination compound.

To determine: The name of the given compound.

(b)

Interpretation Introduction

To determine: The oxidation number of nickel in given compound.

(c)

Interpretation Introduction

To determine: The geometric isomers that will formed when one of the $\text{CO}$ carbon is replaced with ${\text{CN}}^{-}$ .