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 does 'unsaturated' mean when referring to a hydrocarbon?

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


Question 2. What is the name of the process which divides long alkanes into smaller alkanes and alkenes?

Splitting.
Cracking
Breaking.
Degrading.


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

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


Question 4. Which compound is formed from chloroethene monomers?

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


Question 5. Which compound or compounds are formed when bromine is added to propene?

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


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