60th to 62nd B.P.S.C. (Pre) 2016

Bakelite is formed by the condensation of :

aUrea and formaldehyde
bPhenol and formaldehyde✓ Correct
cPhenol and acetaldehyde
dMelamine and formaldehyde
eNone of the above/ More than one of the above

Explanation

Bakelite is the first completely synthetic plastic made by humans. Its chemical name is polyoxybenzylmethylene glycol anhydride. It is a thermosetting phenol–formaldehyde resin, formed by condensation polymerization of phenol and formaldehyde.

general-science