When propane gas is bubbled into bromine water, no colour changes, why?

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When propane gas is bubbled into bromine water, no color change occurs due to the chemical properties of alkanes. Alkanes, including propane, consist solely of single bonds, making them relatively unreactive compared to alkenes, which have double bonds. This lack of reactivity means that when propane is introduced to bromine water, there is no reaction, resulting in no observable color change.
andyboy179
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hi,
i need to know why, when propane gas is bubbled into bromine water, no colour changes occurs?

if you could tell me i will be very grateful

thanks!
 
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Hi andyboy.What have you found out so far?
 
I have found out that no colour change occures when propane gas is bubbled into bromine water, but I'm not sure why
 
Do you know anything about hydrocarbon families such as alkanes and alkenes?
 
yes i know a bit about them
 
would it be because alkanes don't have any spare bonds?
 
You're on the right track.Alkanes have single bonds only and this makes them fairly unreactive when compared to,for example,alkenes.When an alkane such as methane or ethane or propane etc is added to bromine water there is no reaction and no colour change.
 
oh i understand now, thanks alot!
 

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