Question

Which of the following is a polyamide?
(a) Bakelite
(b) Terylene
(c) Nylon-66
(d) Teflon

Answer 1

Ans :
(c) - Nylon 66
It has 2 monomers, each containing 6 carbon atoms.
Hence Nylon - 66 is a polyamide.
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Answer 2

Nylon-66 is a polyamide.

Explanation:

Polymer is a macromolecule formed by the combination of simpler units called as monomers.

Bakelite is a polymer formed by polymerization of phenol and formaldehyde and leads to ether linkage.

Terylene is a polymer formed by polymerization of ethyl alcohol and terpthalic acid and is a polyester.

Nylon 6, 6 is a polymer formed by polymerization of hexamethylene diamine and adipic acid and is a polyamide.

$nHOOC(CH_2)_4COOH+n2_HN-(CH_2)_6-NH_2\rightarrow -OC-(CH_2)_4-CO-NH-(CH_2)_6-NH-)_n+nH_2O$

Teflon is a polymer formed by polymerization of tetra flouro ethylene.

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