question_answer

Synthetic polymer bakelite can be prepared from following compounds     JEE Main Online Paper (Held On 12 May 2012)

A) Styrene and vinyl chloride

B)                        Acrylonitrile and vinyl chloride

C)                        Adipic acid and ethylene glycol

D)                        Phenol and formaldehyde

Correct Answer: D

Solution :

                Phenol and formaldehyde undergo condensation polymerisation under two different conditions to give a cross linked polymer called bakelite.