A student prepares 2-hydroxypropanoic acid (lactic acid) from ethanal. Suggest a two-step synthesis, giving the reagent(s) and conditions for each step and the structure of the intermediate.
CAIE A Level Chemistry 9701 · Nitrogen compounds
Nitrogen compounds: suggest question
Suggest4 marksStandard
How this question is marked
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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