Match List-I with List-II:

List-I	List-II
(A) Buna-S	(I) Vinyl chloride
(B) Neoprene	(II) 1,3-Butadiene and styrene
(C) PVC	(III) Tetra fluoroethene
(D) Teflon	(IV) Chloroprene

Choose the correct answer from the options given below:

The correct option is (A)-(II), (B)-(IV), (C)-(I), (D)-(III).

To understand why this match is correct, let's look at each polymer listed in List-I and identify its corresponding monomer(s) from List-II:

(A) Buna-S:
Buna-S is a synthetic copolymer. The name "Buna-S" is derived from its constituents: Butadiene, Na (sodium, which acts as the catalyst for polymerization), and Styrene. Therefore, the monomers of Buna-S are 1,3-butadiene and styrene.
This matches with (II).

(B) Neoprene:
Neoprene (also known as polychloroprene) is a synthetic rubber produced by the polymerization of chloroprene (2-chloro-1,3-butadiene). Therefore, the monomer of Neoprene is chloroprene.
This matches with (IV).

(C) PVC:
PVC stands for Polyvinyl chloride. It is an addition polymer formed by the polymerization of vinyl chloride monomer units.
This matches with (I).

(D) Teflon:
Teflon is the brand name for polytetrafluoroethylene (PTFE). It is prepared by heating tetrafluoroethene with a free radical or persulphate catalyst at high pressures. Thus, the monomer of Teflon is tetrafluoroethene.
This matches with (III).

By putting these matches together, we get:
(A) - (II)
(B) - (IV)
(C) - (I)
(D) - (III)