Addition Reaction of Bromine to Cyclohexene

 

Hazards: 

Bromine is highly toxic and reactive.  Use care.

Both cyclohexane and cyclohexene are very flammable.  Keep away from flames. Cyclohexene and cyclohexane have an irritating odor. 

Carbon tetrachloride is a cancer suspect agent.

Chemicals and Solutions: 

Bromine solution (5% in carbon tetrachloride)

Cyclohexane

Cyclohexene

Materials: 

2 hydrometer cylinders

Procedure: 

Fill 1 cylinder 1/2 full with cyclohexane and fill the other 1/2 full with cyclohexene.

Add bromine solution to both cylinders.  Bromine adds across the double bond of cyclohexene forming a clear solution of trans-1,2-Dibromocyclohexane.  The cylinder containing cyclohexane remains colored.

 

 

To schedule a demonstration, please send an email to the demonstration lab.

 

Contact:

Eric Camp

Lecture Demonstration Technician

Bagley Hall 171

(206) 543-1606

ericcamp@uw.edu

 

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