Complete the exercises below.

Carbon monoxide, CO, is an important ligand in coordination chemistry. When CO is reacted with nickel metal, the product is [Ni(CO)₄] which is a toxic, pale yellow liquid.

a. What is the oxidation number for nickel in this compound?

b. Given that [Ni(CO)₄] is a diamagnetic molecule with a tetrahedral geometry, what is the electron configuration of nickel in this compound?

c. Write the name for  [Ni(CO)₄] using the nomenclature rules for coordination compounds.