Acertain graduate student needs to make 2-chloropropane. worried about the selectivity problems that occur when doing free radical chlorination of hydrocarbons, and noting that a c-br bond is a lot weaker than a c-h bond, this clever student proposes to direct the outcome of the reaction by using 2- bromopropane that he finds on the back of the shelf. cl br light +br-cl + cl2a) in the space below, show the mechanism for the free radical chlorination of bromopropane shown above. clearly show the initiation, propagation, and termination steps. b) use bdes from the last page to calculate the enthalpy change for this reaction. c) unfortunately, the student’s attempt in question 3 failed, and he only made traces of 2-chloropropane by using this approach. what was the major product of the reaction, and explain why it was formed instead. you may find bdes again.