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 is formed from ethene monomers?

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


Question 2. Which compound or compounds are formed when bromine is added to propene?

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


Question 3. 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 4. 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 5. What is the name of the process which divides long alkanes into smaller alkanes and alkenes?

Cracking
Splitting.
Degrading.
Breaking.


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