MCQ
When ethene reacts with bromine, it forms
- AChloroethane
- ✓Ethylene dibromide
- C$1 $ bromopropane
- D$1,2-$dichloroethene
✓
Answer
Correct option: B.
Ethylene dibromide
b
The bromine loses its original red-brown colour to give a colourless liquid. In the case of the reaction with ethene,
The bromine loses its original red-brown colour to give a colourless liquid. In the case of the reaction with ethene,
$1,2$-dibromoethane is formed,also know as ethylene dibromide. This decolourisation of bromine is often used as a test for a carbon-carbon double bond.
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