CHM 2046C Module Nine Sample Exam
Part C: Free Radical Mechanism Example 10 points
The free radical mechanism for the halogenation of alkane has been established as a chain reaction. Demonstrate this mechanism by showing all four steps in this mechanism using Methane and Bromine in Ultraviolet Light
CH4 + Br2 + uv light à CH3Br + HBr
a. Chain initiation step:
b. Chain Propogation Steps
c. Chain Termination Steps:
d. What evidences did the chemist record which lead to this suggested mechanism?