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NEET levelSingle correct optionDifficulty 1 of 3pl113

Teflon (PTFE) is obtained by polymerising

A $CF X_{2} = CF X_{2}$ (tetrafluoroethene)
B $CHF = CHF$ (1,2-difluoroethene)
C $CH X_{2} = CF X_{2}$ (1,1-difluoroethene)
D $CF X_{3} - CF X_{3}$ (hexafluoroethane)

Answer: A

Teflon is

- [CF X_{2} - CF X_{2}] X_{n} X^{-}

, made from tetrafluoroethene by free radical addition polymerisation. Hexafluoroethane is saturated and cannot polymerise.

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