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The ethene doesnt change from orange to colourless as ethene is already colourless but the bromine water turns from orange to colourless.

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13y ago
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11y ago

Yes, bromine water tests for double bonds and if they are present (like in an alkane such as ethane) it will change from orange/yellow to colourless.

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13y ago

alkenes turn bromine water colourless

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9y ago

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Q: Does ethene change from orange to colourless when it reacts with bromine water?
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Related questions

What happens when ethene is mixed with bromine water?

it goes from a browny orange to colourless


What happens if ethene is shaken with bromine water?

The solution will turn the orange bromine water into a colourless solution


What happens when bromine water is added to ethanol?

It will turn colorless because bromine is an unsaturated compound and unsaturated compound have double bonds


What happens when acetylene is bubbled through bromine water?

Acetylene will change colour from orange to colourless.


What evidence is there that bromine undregoes photodissociation?

it decolourizes it (turns from orange brown to colourless)


What happens if you mix cooking oil with bromine water?

The bromine water turns from orange to colourless, as it is breaking the double bonds. When the oil becomes saturated, any more bromine water that is added will not turn colourless.


What is the Use of everyday life in bromine?

it can be used to see if the hydrocarbon you have just cracked is an alkane or an alkene (it with turn orange to colourless if it is an alkene)


What decolorises bromine in the absence of sunlight?

Organic compounds called Alkenes turns Bromine to colourless from orange-ish without sunlight as a catalyst. Alkanes however require sunlight to react.


What is the observation between bromine and propene?

Bromine water is a dilute solution of bromine that is normally orange-brown in colour, but becomes colourless when shaken with an alkene. Alkenes can decolourise bromine water, while alkanes cannot.


When preforming the bromine test to distinguish between aromatic and alkene compound?

An alkane will react with the bromine test and become a clear/colourless liquid, while an aromatic hydrocarbon will not react with the bromine and remain a redish-orange tinged liquid.


What test distinguishes between alkene and alcohol?

Baeyer's test for unsaturation using KMnO4 . if the sol'n retains the purple color of the reagent , then it is an alkane. if the color disappears with formation of brown precipitate ,it indicates presence of unsaturated HC


What is the color change between aqueous bromine and sodium chloride?

There will be no colour change between the two, as chlorine is more electronegative than bromine and will maintain its negative charge, meaning that the bromine will not react and the orange colour persists.