3.8 Describe the addition reaction of alkenes with bromine, including decolourising of bromine water as a test for alkenes

Create blog post titled '3.8 I can describe the reaction between alkenes and bromine'

1.       Write the word equation showing the reaction between ethene and bromine water:

Ethene + bromine water -----> bromoethane + hydrogenbromide

2.       Draw the displayed formula of the reaction above

Take a photo of the answers to 1. and 2. and upload to your blog

3.       Explain the observations: 

4.       Why does this reaction not need a catalyst? Because alkenes are highly reactive.

5.       What type of reaction is this called? Addition reaction

6.       Explain why this reaction is useful: