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प्रश्न
The polymer formed on heating Novolac with formaldehyde is ______.
विकल्प
Polyester
Melamine
Nylon 6, 6
Bakelite
MCQ
रिक्त स्थान भरें
उत्तर
The polymer formed on heating Novolac with formaldehyde is Bakelite.
Explanation:
Phenol and formaldehyde combine to generate the linear polymer known as novolac. Novolac reacts further with formaldehyde to generate the three-dimensional Bakelite polymer.
\[\ce{\underset{(Linear polymer)}{Novolac} + HCHO -> \underset{(3D polymer)}{Bakelite}}\]
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