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

Combustion.
Polymerisation.
Evaporation.
Oxidation.


Question 3. Which key feature gives alkenes different properties to alkanes?

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


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

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


Question 5. Which compound is formed from ethene monomers?

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


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