(a)[4]
Complete Table 7.1 to indicate the relative acidities of benzoic acid ($\mathrm{C_6H_5COOH}$), phenylmethanol, 4-methylphenol and water. Explain your answer.
(b)[1]
4-methylphenol reacts readily with sodium. Complete the equation for the reaction.
(c(i))[1]
X does not react with Na metal. Draw the structure of organic product X, $\mathrm{C_5H_6O_4}$, as shown in Fig. 7.1.
(c(ii))[1]
Reactions 10 and 11 in Fig. 7.1 are not the same type of reaction. Name the type of reaction for reaction 10 and for reaction 11.
(c(iii))[2]
Draw a section of polymer Y that contains only one repeat unit. The new functional group formed should be shown.