Which one of the following is an example of a thermosetting polymer?

Options

A. `(-CH_(2) - underset(Cl)underset(|)(C) = CH - CH_(2)-)_(n)`
B. `(-CH_(2) - underset(Cl)underset(|)(CH)-)_(n)`
C. `(-overset(H)overset(|)(N) - (CH_(2))_(6) - overset(H)overset(|)(N) - overset(O)overset(||)(C) - (CH_(2))_(4) - overset(O)overset(||)(C) -)_(n)`
D.

Answer

D

Explanation

The polymer is Novalac and is thermosetting polymer.