Ethene + Bromine = 1,2-dibromoethane
2. Draw the displayed formula of the reaction above
3. Explain the observations
Turns brown to colourless liquid
4. Why does this reaction not need a catalyst?
Because the C=C is reactive
5. What type of reaction is this called?
Addition Reaction
6. Explain why this reaction is useful
It's a chemical test that distinguish saturated and unsaturated hydrocarbons
(alkanes and alkenes)