(a(i))[1]
State the product responsible for the fumes in this reaction.
(a(ii))[1]
Explain why the reactivities of chloroalkanes and acyl chlorides are different.
(b(i))[2]
Compound $R$ is a useful intermediate in the manufacture of pharmaceutical compounds. It may be prepared from compound $P$ by the route below. Suggest structures for the starting material $P$ and the intermediate $Q$.
(b(ii))[3]
Suggest reagents and conditions for step 1, step 2 and step 4 in the scheme above.