In which of the following processes does the formation of polymers occur by stepwise
intermolecular chemical reactions that may involve more than one monomer species
and there is usually a small molecular weight byproduct such as water?
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A.
Crystallisation
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B.
Condensation polymerisation
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C.
Chain reaction polymerisation
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D.
Addition polymerisation
Correct Answer:
B. Condensation polymerisation
Explanation:
Condensation polymerisation is a chemical process where monomers with at least two functional groups react in a stepwise manner to form long polymer chains. During each step of this intermolecular reaction, a small molecule, most commonly water, is released as a byproduct. This mechanism is distinct from addition polymerisation, which involves the linking of monomers with double bonds without the loss of any atoms. Common examples of polymers formed through this method include polyesters and polyamides like nylon.
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