(a(i))[1]
State the physical property of hydrocarbons that makes fractional distillation possible.
(a(ii))[2]
Describe the separation of petroleum into fractions by fractional distillation.
(a(iii))[1]
Name the process used to break long-chain hydrocarbon molecules into short-chain hydrocarbon molecules.
(a(iv))[2]
Link each fraction to its use.
(b(i))[2]
Draw the displayed formula for one molecule of ethanoic acid.
(b(ii))[1]
Name the salt formed in this reaction.
(c)[2]
Name the two products formed by this process.
(d)[2]
State two methods for making ethanol.
(e(i))[1]
Deduce the molecular formula for the molecule shown in Fig. 3.1.
(e(ii))[1]
Explain why the molecule shown in Fig. 3.1 is unsaturated.