TS EAMCET 10-Sep-2020 Shift 2 Solved Paper

∵ Buna- S is nCH2=CH−CH=CH2
(1,3-butadine )+nC6H5−CH=CH2 (styrene);
Buna- N is nCH2=CH−CH=CH2
(1,3-butadine )+nCH2=

CH |

CH

(acrylonitrile) and neoprene is chloroprenei.e.
(CH2=CH−

C |

CI

=CH2)
All these are synthetic rubber.
Hence, option (c) is the correct answer, i.e. (ii), (iii) and (iv).