Please explain why the answers are:
The copolymerization of vinyl chloride and vinylidine chloride by free radical catalysis produces a polymer used in food wrap. Which structural unit would appear in this polymer? At which of the indicated positions would the bromine radical react at the fastest rate? 1 2 3 4 Which is the correct representation of the polymer formed by free-radical polymerization of this monomer? What product is formed in this reaction?