Polymers

The correct option is (B) : (A)-(II), (B)-(IV), (C)-(1), (D)-(III)

Condensation polymers are formed by the reaction between two monomers with the elimination of a small molecule such as water or methanol. Let's analyze each option: - Bakelite (A) is a condensation polymer formed by the reaction between phenol and formaldehyde. It is not addition polymerization, hence it is a condensation polymer. The reaction is: - Teflon (B) is an addition polymer, not a condensation polymer. It is formed by the polymerization of tetrafluoroethylene (TFE), so this is not a condensation polymer. - Melamine formaldehyde resin (C) is a condensation polymer formed by the reaction between melamine and formaldehyde. The reaction proceeds as follows: - Nylon-2 nylon-6 (D) is a condensation polymer formed by the reaction between glycol and adipic acid, which forms a polyamide. The reaction is: - Buna-S (E) is a copolymer formed by the polymerization of butadiene and styrene. It is an addition polymer, not a condensation polymer.
Thus, the correct condensation polymers are Bakelite (A), Melamine formaldehyde resin (C), and Nylon-2 nylon-6 (D).
Therefore, the correct answer is Option (2).

The correct option is (B) : PAN

The question asks which among the given options is a biodegradable polymer. To determine this, we need to understand what a biodegradable polymer is:

Let's analyze each option:

From this analysis, PHBV is the correct answer as it is the only biodegradable polymer among the options listed.