After a reaction, traces of the starting material diphenylamine were left in the

Question

After a reaction, traces of the starting material diphenylamine were left in the organic layer. Would an aqueous solution of sodium bicarbonate be effective in removing traces of diphenylamine from the organic layer? Explain your answer by showing a chemical reaction between sodium bicarbonate and diphenylamine 3) 4) A crude organic compound dissolved in diethyl ether (d= 0.715 g/mL) is poured into a 1.000 g/mL) is added to the separatory funnel separatory funnel. Deionized water (d Which layer contains the product?

Explanation / Answer

3) Diphenylamine is a base. Sodium bicarbonate is also a base. Base does not react with another base. Thus, adding bicarbonate would not remove traces of diphenylamine from the organic layer. Instead, adding an acid would form salt with diphenylamine and this would be water soluble and effective method for the removal of diphenylamine from the organic layer.

4) Diethyl ether has a lower density than water, thus it remain at the top of the water layer. The organic compound would be more soluble in the organic layer that is the top diethyl ethyl layer.

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