Consider the following reaction sequences :
Sequence-I
Phenol $+ HCHO acid/base$ Hydroxymethyl phenols → Novolac $HCHO, Δ$ Bakelite(P)
Sequence-II
Melamine $+ HCHO Δ$ Q
Which of the following statements are correct?

Question

Consider the following reaction sequences :

Sequence-I

Phenol $+ HCHO acid/base$ Hydroxymethyl phenols → Novolac $HCHO, Δ$ Bakelite(P)

Sequence-II

Melamine $+ HCHO Δ$ Q

Which of the following statements are correct?

TestHub · Accepted Answer

Sequence-I Phenol + HCHO acid/base ​ Hydroxymethyl phenols → Novolac HCHO , Δ ​ Bakelite(P) Sequence-II Melamine + HCHO Δ ​ Metamine - formaldehyde resin(Q) Final Identification • P = Bakelite (cross-linked thermosetting polymer) • Q = Melamine–formaldehyde resin (thermosetting, used in crockery)

Chemistry - Polymer Question with Solution | TestHub

Options:(select one or more)

Doubts & Discussion