(a) How is Buna-N prepared ?. Write the equation
(b) Give one example for a non-biodegraduble polymer

Explanation

(a) (i) Nylon - 6, 6 - Co polymer
(ii) PVC - Homo polymer .
(b) When 1-3 butadiene is heated with acrylonitrite in the presence of sodium, Buna-N is formed.
`CH_(2)=CH-underset(H)underset(|)(C)=CH_(2)+CH_(2)=underset(CN)underset(|)(C)H underset(Heat)overset(Na)to(CH_(2)-underset(H)underset(|)(C)=CH-CH_(2)-CH_(2)-underset(CN)underset(|)(C)H-)_(n)`
(c) Poly vinyl chloride [PVC]