(a(i))[1]
Suggest a reagent suitable for step 2.
(a(ii))[2]
Suggest suitable reagents and conditions for steps 1 and 4.
(b(i))[2]
Suggest the structures of $S$ and $T$, then draw them in the boxes.
(b(ii))[2]
Name the reaction type in step I and step II.
(c)[2]
Compound $R$ can undergo polymerisation. Draw a section of the polymer that contains two repeat units.