Bromine can react with ethane to form bromoethane.

a. What conditions are needed for the reaction between ethane and bromine to take place?

b. What do we call this type of reaction?

c. Write an equation to show the reaction of ethane and bromine to form bromoethane.

d. Why is this reaction not a good way to prepare a pure sample of bromoethane?

e. i. Name the three steps in the mechanism of this reaction.

ii. Write an equation to show the first step in the mechanism.

iii. What type of bond breaking does this first step involve?