CH-1486
Alkenes
Chemistry · Secondary 4 · Hard · Alkenes
Ethene, , is the monomer used to make poly(ethene). Ethene is unsaturated and can react with bromine water.
Which observation correctly describes the test with bromine water for ethene and for poly(ethene)?
Which observation correctly describes the test with bromine water for ethene and for poly(ethene)?
- Ethene decolourises bromine water; poly(ethene) leaves bromine water orange.
- Both ethene and poly(ethene) decolourise bromine water.
- Ethene leaves bromine water orange; poly(ethene) decolourises it.
- Both ethene and poly(ethene) leave bromine water colourless.
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