Question:
Thermosetting polymer, Bakelite is formed by the reaction of phenol with :-
Correct Option: , 3
Solution:
Bakelite is a thermosetting polymer formed by the condensation reaction of phenol with $\mathrm{HCHO}$ in the presense of conc. $\mathrm{H}_{2} \mathrm{SO}_{4}$
It is thus, a cross-linked polymer in which condesation takes place at O- and p- positions So HCHO is the corerect option.
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