Write the name of monomers used for getting the following polymers: (i) Teflon (ii) Buna-N

(i) Teflon is obtained from tetrafluoroethylene, CF2=CF2. Teflon is an addition polymer. (ii) Buna-N is a copolymer of acrylonitrile, CH2=CH−CN and 1,3-butadiene, CH2=CH−CH=CH2. Buna-N is a synthetic rubber.