1. what should be the limiting reagent in this reaction? the theoretical stoichiometric ratio between reactants benzaldehyde and acetone is 2: 1. we used more than that in this lab. why is this ratio (or more) necessary?
2. why do you wash the reaction mixture twice with water?
3. what is the minor product of this reaction? draw its structure and name it.
4. in the ir spectrum of pure dibenzalacetone, a peak appears at 1639 cm-1, which you might have predicted at 1710 cm-1. identify the functional group and explain why it appears in a different region than expected.
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