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


Question 2. Which compound is formed from chloroethene monomers?

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


Question 3. What does 'unsaturated' mean when referring to a hydrocarbon?

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


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

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


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