2.2 Dichloroethane, C2H4Cl2, is used to prepare chloroethene. Chloroethene is a monomer which is used to make polyvinylchloride (PVC) as follows:
C2H4Cl2 → C2H3CI
+ PVC
Reaction 1
Reaction 2
(9
2.2.1 Write down the name of reaction 1. (1)
2.2.2 Write balanced structural formulae to represent reaction 1. (3)
2.2.3 Write down the name of reaction 2. (1)
2.2.4 Write the structure of PVC showing two repeat units. (2)​