What type of reaction occurs when 1-pentene reacts with HBr?

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Question: What type of reaction occurs when 1-pentene reacts with HBr?

Options:

Correct Answer: Addition reaction

Solution:

The reaction of 1-pentene with HBr is an addition reaction, where HBr adds across the double bond.

What type of reaction occurs when 1-pentene reacts with HBr?

What type of reaction occurs when 1-pentene reacts with HBr?

Step 1: Identify the reactants. We have 1-pentene, which is an alkene with a double bond, and HBr, which is hydrogen bromide.
Step 2: Understand what happens in an addition reaction. In this type of reaction, two substances combine to form a single product.
Step 3: Recognize that the double bond in 1-pentene will break. This allows HBr to add across the double bond.
Step 4: Determine the products. When HBr adds to 1-pentene, a bromoalkane is formed, specifically 2-bromopentane.
Step 5: Conclude that the reaction is an addition reaction because HBr is added to the alkene.

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