Respuesta :

nuralikozhakhmet

Answer:

If you add bromine water, an aqueous solution of bromine, to the test tubes, you can tell which is propene, the alkene. The bromine reacts with and saturates the double bonds in alkenes, and so decolourises.

please give brainly
Using bromine water..the bromine will react with double bond in propene so it will decolourise the bromine water

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