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

Splitting.
Cracking
Degrading.
Breaking.


Question 2. Which compound is formed from chloroethene monomers?

Poly(ethene).
Poly(chloroethene).
Poly(tetrafluoroethene).
Poly(propene).


Question 3. What would we observe if we added bromine water to an alkene?

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


Question 4. What does 'unsaturated' mean when referring to a hydrocarbon?

The molecule cannot be polymerised.
The molecule is safe to eat.
The molecule isn't long enough.
The molecule has room for more atoms.


Question 5. What useful reaction can alkenes perform that alkanes can't?

Evaporation.
Combustion.
Polymerisation.
Oxidation.


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