Essential Chemistry for IGCSE - Polymers (Section 2 - No. 30)

What is the repeating unit in the polymer poly(chloroethene) (PVC)?

-CH2-CH2-

-CH2-CHCl-

-CHCl-CHCl-

-CH3-CH2-

The monomer for PVC is chloroethene (vinyl chloride), which has the structure -CH2-CHCl- in the polymer.