Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
Correct answer: C. condensation polymerization
- A. oxidation
- B. elimination
- C. condensation polymerization
- D. additional polymertization
Explanation
Phenol and formaldehyde join by eliminating small molecules such as water while forming a cross-linked resin, so Bakelite is produced by condensation polymerisation. Addition polymerisation involves unsaturated monomers adding without elimination, which does not describe this reaction.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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