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Chemistry Question on Types of Polymerisation Reactions

In case of condensation of polymers

A

high molecular weight polymers are formed all at once

B

lower molecular weight polymers are formed all at once

C

molecular weight of polymer rises throughout the reaction

D

have no Specific relation to their molecular weight

Answer

molecular weight of polymer rises throughout the reaction

Explanation

Solution

The process of condensation polymerization takes place in the following manner.
A+B→ Condense A−B dimer A+B \xrightarrow{\text { Condense }} \underset{\text { dimer }}{A-B}
A−B+A→CondenseA−B−AA-B+A \xrightarrow{\text{Condense}} A-B-A
A−B−A+B→A−B−A−BA-B-A+B \rightarrow A-B-A-B
In this process no initiator is required and it is also called step growth polymerization.