Question: Do 2nd question 1. Caffeine has four nitrogen atoms. One only one of these is significantly basic. Draw resonance structure to show why the remaining

Do 2nd question Do 2nd question 1. Caffeine has four nitrogen atoms. One only one

1. Caffeine has four nitrogen atoms. One only one of these is significantly basic. Draw resonance structure to show why the remaining three nitrogen atom are NOT significantly basic. 2. What would the effect be of making the aqueous layer basic? Explain why the recovery of caffeine might be greater. 3. Why is it important to vigorously shake the sep funnel during an extraction. 4. The fraction of Atransferred to the combined organic layers after n extractions, p.. is given by pn=1(1+VwKV0)n1 Use this formula to calculate the theoretical recovery of caffeine from methylene chloride and ethyl acetate

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