Chemistry 9701 · AS & A Level · Nitrogen compounds
Nitrogen compounds — practice question
Adding aqueous bromine allows phenylamine, $\text{C}_6\text{H}_5\text{NH}_2$, to be distinguished from ethylamine, $\text{C}_2\text{H}_5\text{NH}_2$.
(a)[2]
State what you observe when aqueous bromine is added to phenylamine.
(b)[1]
Suggest the observation when aqueous bromine is added to ethylamine.
(c)[1]
Draw the structure of the organic product obtained when excess aqueous bromine is added to phenylamine.
(d)[1]
Name the product that you drew in (c).
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “bromine loses its colour (orange/brown to colourless)” …