A Certain Free Radical Chlorination Reaction of 2,3-Dimethylbutane Leads to the Production

question 71

Multiple Choice

A certain free radical chlorination reaction of 2,3-dimethylbutane leads to the production of two major monochlorinated products 1-chloro-2,3-dimethylbutane and 2-chloro-2,3-dimethylbutane. When run through a Gas chromatograph, it was determined that the product distribution was 51.7% 1-chloro-2,3-dimethylbutane and 48.3% 2-chloro-2,3-dimethylbutane. If we assign the primary H's a reactivity of 1.0, what is the relative reactivity of the tertiary H's?

• A) 5.0 times more reactive
• B) 5.1 times more reactive
• C) 4.6 times more reactive
• D) 5.6 times more reactive
• E) 3.0 times more reactive

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