What is the major product of the following reaction?

Name: What is the major product of the following reaction?
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Question

Quizplus · Accepted Answer

The reaction is a substitution reaction with bromine replacing the chlorine atom. This is called a halogen exchange reaction. The major product formed in this type of reaction is usually the one with the less hindered halogen atom. In this case, the less hindered halogen atom is the one attached to the tertiary carbon. Therefore, the major product is III.

What Is the Major Product of the Following Reaction