Nylon-6 is a polymer constructed by a ring-opening polymerization, unlike most nylon polymers, which are synthesized using condensation polymerization. Use the structure of Nylon-6 to deduce and draw its cyclic monomer.

The monomer of nylon-6 is caprolactam.

Explanation:

From the question, we are asked to draw the cyclic monomer from the structure of Nylon-6.

Two repeating monomer units can be seen in the polymeric structure given in the problem.

From this we can see and conclude that The monomer of nylon-6 is caprolactam.

attached is a diagrammatic representation of the Structure (Nylon-6 monomer).

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answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e