CAIE A Level Chemistry 9701 · Hydrocarbons
A sample of the long-chain alkane hexadecane, , is heated with an catalyst in the absence of air.
Suggest two alkanes and two alkenes that could be formed from the cracking of one molecule of hexadecane. Suggest why this process is useful.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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