7.5.2: Homework Problems Chapter 12

Exercise 1

The coordination compound CH₃Co(CO)₄ undegoes a migratory insertion. What is the reaction product?

Answer

Exercise 1

Identify all oxidative additions in the catalytic cycle of olefin hydroformylation:

Answer

Step D --> E is an oxidative addition

Formation of HCo(CO)₄ from Co₂(CO)₈ is also an oxidative addition.

Exercise 2

1. What are the reaction products of the following olefin metathesis reactions?

a) 2 CH₂=CH-Ph -->

b) n CH₂=CH-CH=CH₂ -->

Answer

a) CH₂=CH₂ and Ph-CH=CH-Ph

b) CH₂=CH₂ and (CH=CH)_n

Exercise 3

What reaction product would you expect would you expect from the following reaction:

Fe(CO)₄^2- + CH₃CH₂I -->

Name the reaction.

Answer

Fe(CO)₄CH₂CH₃^- + I^- Nucleophilic displacement

Exercise 4

Which of the following phosphines would you expect to be most suitable to stabilize metals in low oxidation states:

a) P(CF₃)₃

b) P(CH₃)₃

c) PH₃

Answer

a) P(CF₃)₃

Exercise 5

What reaction product would you expect from the following reaction?

Pt(PPh₃)₄ + 4 NPh₃ -->

Answer

There would be no reaction.

Exercise 6

Which of the following complexes would likely be unstable:

a) [PtCl₃(C₂H₅)]^2-

b) [PtCl₃(CH₃)]^2-

c) PtCl₄^2-

Answer

a) [PtCl₃(C₂H₅)]^2-