(a)[2]
Describe two features of a homologous series.
(b)[2]
Construct the complete-combustion equation for butene, $\text{C}_4\text{H}_8$.
(c)[1]
Draw the displayed structure of a branched alkene with formula $\text{C}_4\text{H}_8$. Include every atom and every bond.
(d(i))[1]
Butene reacts with hydrogen in the presence of nickel. Name the product produced.
(d(ii))[1]
What is the role of the nickel?
(d(iii))[1]
State one further condition required for this reaction.
(e(i))[2]
A hydrocarbon has a carbon mass percentage of 85.7%. Deduce the empirical formula of this hydrocarbon.
(e(ii))[1]
What other information is required to deduce the molecular formula of this hydrocarbon?