Which of the following is a polyamide?

Teflon

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N y l o n - 6, 6

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Terylene

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Bakelite

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Solution

The correct option is B $N y l o n - 6, 6$
The monomer unit of Teflon is Tetrafluoroethylene, which is $C_{2} F_{4}$ .

$N y l o n - 6, 6$ is a polyamide. It is obtained by the condensation polymerisation of hexamethylene diamine with adipic acid.

Terylene is a polyester made by condensation polymerisation of ethylene glycol and dimethylterephthalate.

Bakelite contains monomers joined through C-C bonds. It is obtained by the condensation polymerisation of phenol with formaldehyde.

Hence, option B is correct.

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