What type of reaction occurs when an alkene reacts with HBr?

Practice Questions

Q1
What type of reaction occurs when an alkene reacts with HBr?
  1. Addition reaction
  2. Elimination reaction
  3. Substitution reaction
  4. Redox reaction

Questions & Step-by-Step Solutions

What type of reaction occurs when an alkene reacts with HBr?
  • Step 1: Identify the alkene, which is a molecule that has a carbon-carbon double bond.
  • Step 2: Recognize that HBr is a hydrogen bromide molecule, which can donate a hydrogen atom (H) and a bromine atom (Br).
  • Step 3: Understand that in an addition reaction, two reactants combine to form a single product.
  • Step 4: When HBr reacts with the alkene, the double bond between the carbon atoms breaks.
  • Step 5: The hydrogen atom from HBr attaches to one of the carbon atoms, and the bromine atom attaches to the other carbon atom.
  • Step 6: The result is a new molecule that has a single bond between the two carbon atoms, with one carbon bonded to a hydrogen and the other bonded to a bromine.
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