(a(i))[1]
On Fig. 6.1, Draw a circle round one amide linkage.
(a(ii))[2]
Complete Fig. 6.2 to show the structures of the two monomers required to make the polymer in Fig. 6.1. Show every atom and every bond in the functional groups.
(a(iii))[1]
Name the other substance formed in this polymerisation.
(a(iv))[1]
State the term used for natural polyamides.
(a(v))[1]
Name the type of monomers used to make natural polyamides.
(a(vi))[3]
Complete Fig. 6.3 to show the displayed formula of this monomer.
(b(i))[2]
Name the two kinds of monomer molecules required to make polyesters.
(b(ii))[3]
Draw a section of PET that contains two repeat units. Include every atom and every bond in the linkages.