Draw the structures of the major and minor organic products formed when HBr reacts with 2,4,4-trimethyl-2-pentene in the presence of peroxides. When drawing hydrogen atoms on a carbon atom, either include all hydrogen atoms or none on that carbon atom, or your structure may be marked incorrect. major product minor product

Major product: 3-bromo-2,2,4-trimethylpentane

Minor product:  2-bromo-2,4,4-trimethylpentan

Explanation:

In this case, we will have an anti-markovnikov reaction. So, the Br (the nucleophile would be added in the least substituted carbon (in the double bond). On this molecule, the least substituted carbon of the double bond is the carbon in the left, therefore, the major product would be 3-bromo-2,2,4-trimethylpentane. With this in mind, the minor product would be the addition product in which the "Br" is added in the most substituted carbon of the double bond (carbon in the right) and we will have as a product 2-bromo-2,4,4-trimethylpentane. (See figure 1)

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"record the time to complete a chemical reaction" would most likely be part of a lab procedure.