Question

Which of the following is a polyamide ?

• A. Bakelite
• B. Terylene
• C. Nylon-66
• D. Teflon

Answer 1

Answer: (C)

Nylon-66

Answer 2

Nylon-$66$ is a polyamide of hexamethylene diamine $(CH_2)_6(NH_2)_2$ and adipic acid $(CH_2)_4(COOH)_2$. (Each reactant has six-carbon chain hence trade code $(66)$ is used.)