Nylon-6,6 is obtained by condensation polymerisation of
A. ethylene glycol and terephthalic acid
B. phenol and formaldehyde
C. caprolactam
D. hexamethylenediamine and adipic acid
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Answer: D. hexamethylenediamine and adipic acid
\(n\,\mathrm{H_2N(CH_2)_6NH_2}+n\,\mathrm{HOOC(CH_2)_4COOH}\rightarrow\) Nylon-6,6 \(+\,2n\,\mathrm{H_2O}\).
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· 23 Oct 2026
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