For the chlorination of propane, the two isomers shown here are possible.
Propane has six hydrogen atoms on terminal carbon atoms- called primary (1) hydrogen atoms-and two hydrogen atoms on the interior carbon atom-called secondary (2) hydrogen atoms.
a. If the two different types of hydrogen atoms were equally reactive, what ratio of 1-chloropropane to 2-chloropropane would we expect as monochlorination products?
b. The result of a reaction yields 55% 2-chloropropane and 45% 1-chloropropane. What can we conclude about the relative reactivity of the two different kinds of hydrogen atoms? Determine a ratio of the reactivity of one type of hydrogen atom to the other.