Snapquiz - Uses of Alkanes and Alkenes

This is the Snapquiz on Uses of Alkanes and Alkenes. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. Which compound or compounds are formed when bromine is added to propene?

Propene and bromine (no reaction).
Dibromopropane.
Propane and bromine.
Dibromopropene.


Question 2. Which key feature gives alkenes different properties to alkanes?

An oxygen atom.
A greater number of hydrogen atoms.
A carbon-carbon double bond.
A different number of carbon atoms.


Question 3. Which compound or compounds are formed when bromine is added to butane?

Dibromobutane.
Butane and bromine (no reaction).
Dibromobutene.
Butene and bromine.


Question 4. What would we observe if we added bromine water to an alkane?

The bromine water would remain brown.
The bromine water would go from brown to colourless.
The bromine water would go from colourless to brown.
The bromine water would remain colourless.


Question 5. What is the name of the process which divides long alkanes into smaller alkanes and alkenes?

Splitting.
Breaking.
Cracking
Degrading.


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