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UPSEE 2019 Solved Paper

Question : 63 of 150

Marks: +1, -0

Nylon-66 is formed by

free radical addition polymer
ionic addition polymerisation
condensation polymerisation
All of the above

Solution:

Nylon-6, 6 is formed by condensation polymerisation. In this mode of polymerisation, there is combination of molecules of same or different monomers. e.g.

\underset{\text{Adipic acid}}{\mathrm{HOOC(CH_2)_4COOH}} + \underset{\text{Hexamethylene diamine}}{\mathrm{H_2N(CH_2)_6NH_2}}

\xrightarrow{-\mathrm{H_2O}} \underset{\text{Nylon-66}}{-\mathrm{[NH(CH_2)_6NHCO(CH_2)_4CO]_n}}

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