Problems and exercisesHX Addition (X = halogen)

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1. HBr with and without peroxides

Predict the result of the following reactions:

2. Rearrangement

3,3-Dimethylbut-1-ene with HCl gives two products: 3-chloro-2,2-dimethylbutane and 2-chloro-2,3-dimethylbutane. Explain how they are formed.

3. Why only HBr?

Why is the peroxide effect observed with HBr but not with HCl or HI?

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