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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.

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โˆ™ 2013-02-24 20:00:31
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Q: What you would see when orange bromine water is shaken with propene?
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What happens if ethene is shaken with bromine water?

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


What test can you carry out to differentiate between two test tubes one containing propane and propene?

Propene is an alkene, whereas propane is an alkane. Thus, propene is an unsaturated molecule, having a carbon-carbon double bond. 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. The bromine does not decolourise when added to an alkane as it does not react. So, in conclusion:Add bromine water (brown) to the test tubesIf the bromine water stays brown, the test tube contains propaneIf the bromine water goes colourless, the test tube contained propene.


What would you see when ethene is shaken with bromine water?

a colourless solution


What is seen when bromine water is shaken with an saturated fat?

it turns to bacon :)


What is seen when bromine water is shaken with an unsaturated fat?

i think the unsaturated fat decolourises it :/


Does ethene change from orange to colourless when it reacts with bromine water?

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


Is propene soluble in water?

Propene is not soluble in water.


Does ethane turn bromine water from orange to colourless?

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.


What happens when bromine water is shaken with a saturated fat?

i don't think that any change occurs, it remains the same


What happens to vegetable oil when bromine water is added?

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 observed when bromine water is added to ethene?

The ethene reacts with the bromine and the solution turns colourless (from its original orange colour).


What happens when ethene is mixed with bromine water?

it goes from a browny orange to colourless

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