CAIE A Level Chemistry 9701 · An introduction to organic chemistry
In organic chemistry, redox equations are often written using the symbols [O] and [H] rather than full electron transfer. Suggest what each symbol represents and how they are used to show oxidation and reduction in organic reactions.
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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