Question:

The X formed in the following reaction sequence and its structural type are respectively.
 Bakelite synthesis,

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Cross-linked polymers are formed by reactions that create a three-dimensional network of polymer chains.
Updated On: Mar 13, 2025
  • Novolac - linear polymer
  • Bakelite - cross linked polymer
  • Novolac - cross linked polymer
  • Bakelite - linear polymer
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The Correct Option is B

Solution and Explanation

The reaction sequence shown is for Bakelite synthesis, which is a cross-linked polymer. The initial reaction involves the condensation of formaldehyde (HCHO) with phenol, followed by polymerisation under heat. This results in a three-dimensional network, characteristic of Bakelite, which is a cross-linked polymer.

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