On the structure of angelic acid, place a circle around the functional group that identifies it as a carboxylic acid.
Work out the formula of angelic acid so that the numbers of carbon, hydrogen and oxygen atoms are shown.
Angelic acid is an unsaturated compound. Describe a chemical test that can distinguish an unsaturated compound from a saturated one.
Finish the table to find the relative molecular mass of ethanoic acid. Use the Periodic Table as a guide.
Ethanoic acid may be reduced to ethanol. Finish the ethanol structure so that all atoms and all bonds are shown.
Ethanol is made by fermentation. Describe the fermentation process, including the names of the reactants and catalyst, the conditions that are needed, and the name of the process used to separate the ethanol from the rest of the reaction mixture.