(a(i))[2]
Explain what is meant by the term hydrocarbon fraction.
(a(ii))[2]
State one use of each of the following hydrocarbon fractions: naphtha, kerosene.
(b)[4]
Explain what is meant by homologous series, using alkenes as your example.
(c(i))[1]
A student suggests that the density of the liquid alkenes rises as the number of carbon atoms rises. Describe whether the data in the table support this idea.
(c(ii))[1]
Predict the boiling point for hexene.
(c(iii))[2]
Deduce the state of pentene at $-60^\circ\text{C}$. Explain your answer.
(d)[1]
Draw the structure of ethene, showing every atom and every bond.
(e)[2]
Complete the chemical equation for this reaction.\n\n$\text{C}_{14}\text{H}_{30} \rightarrow \text{C}_2\text{H}_4 + [BLANK] + [BLANK]$