CAIE A Level Chemistry 9701 · Atoms, molecules and stoichiometry
Benzene can be represented by the empirical formula and the molecular formula .
Suggest what is meant by the terms empirical formula and molecular formula, and suggest why the empirical formula alone is not enough to describe benzene fully.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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