Deduce the molecular formula of compound C to show the numbers of carbon, hydrogen and oxygen atoms.
On Fig. 4.1, place a circle around the part of the molecule that shows unsaturation.
Use Table 4.1 to calculate the relative molecular mass of C11H14O3.
Explain what is meant by the term hydrocarbon.
Using only the fractions shown in Fig. 4.2, name the fraction that contains compounds with the lowest boiling point.
Using only the fractions shown in Fig. 4.2, name the fraction that contains compounds with the highest viscosity.
Using only the fractions shown in Fig. 4.2, name the fraction that contains compounds used for jet fuel.
Deduce the molecular formula of heptane.
Use the information in Table 4.2 to predict the melting point of octane, C8H18.
Name this type of endothermic reaction.
Draw the displayed formula of ethene. Include all atoms and all bonds.
Name this type of polymerisation.
Describe two environmental challenges caused by the disposal of plastics such as poly(ethene).