AL Chemistry Experiment Report Sheet

Experiment 32: The Chemical Properties of Alkanes and Alkenes

Name: ___________________ ( ) Form 6 S

Results

Reaction		Observations and Equations (if any)
		Cyclohexane	Cyclohexene
A.	*Combustion*
	Appearance of flame
	Sootiness
B.	*Action of bromine (in 1,1,1-trichloroethane)*
	In dark
	In light
	Identification of gas
C.	*Action of bromine water*

D.	*Action of acidified potassium manganate(VII)*

E.	*Action of concentrated sulphuric acid*

Questions

1. Are the alkenes more reactive than the alkanes? Suggest a reason for your answer.

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2. Why do you think alkenes produce a sootier flame than alkanes?

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3. Which test(s) could be used to distinguish between alkanes and alkenes ?

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The End