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| 1. |
Distinguish between ethane and ethene |
| Answer» Bromine water test can be used to test unsaturated hydrocarbons like ethene.\xa0Ethene (an unsaturated hydrocarbon) will\xa0decolorize\xa0the brown colour of bromine water while ethane (a saturated hydrocarbon)\xa0will not. Bromine water will remain brown in the presence of ethane.{tex}C_2H_2\\,+\\,Br_2(Brown)\\,\\to\\,C_2H_2Br_2 (colourless){/tex} | |