1.

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

Answer»

Solution :(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]


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