On Fig. 7.1, circle one carboxylic acid functional group.
Deduce the molecular formula that corresponds to fumaric acid.
Fumaric acid has no colour. Describe the colour change observed when excess fumaric acid is introduced into aqueous bromine.
Complete Table 7.1 so that the relative molecular mass of C$_4$H$_6$O$_6$ is calculated.
Ethanoic acid is a carboxylic acid. Complete the word equation for ethanoic acid reacting with sodium carbonate: ethanoic acid + sodium carbonate → ................. + ................. + .................
Ethanoic acid can be made by oxidising ethanol. State one use of ethanol.
Ethanol, C$_2$H$_5$OH, belongs to the alcohol family. Choose, from the list, the general formula for the alcohol homologous series.
Ethanol can be made by adding steam to ethene. State two conditions for this reaction.