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The repeating units in PTFE are

$\begin {array} {1 1} (a)\;Cl_2CH-CH_3 & \quad (b)\;F_2C^= CF_2 \\ (c)\;F_3C-CF_3 & \quad (d)\;FClC^{=}CF_2 \end {array}$


1 Answer

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It is formed by the polymerization of tetrafluoroethylene:
$nF_2C=CF_2 \rightarrow —\{ F_2C—CF_2\}—$
Ans : (b)
answered Mar 5, 2014 by thanvigandhi_1