Chemistry 9701 · AS & A Level · Nitrogen compounds
Nitrogen compounds — practice question
Phenylamine, $\text{C}_6\text{H}_5\text{NH}_2$, and ethylamine, $\text{C}_2\text{H}_5\text{NH}_2$, may be told apart by adding aqueous bromine.
(a)[2]
State the observation 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 produced when excess aqueous bromine is added to phenylamine.
(d)[1]
Name the product drawn in (c).
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The bromine is decolourised, changing from orange/brown to colourless” …