Question:

Which of the following is fully Fluorinated polymer?

Show Hint

Teflon is polytetrafluoroethylene, with every hydrogen replaced by fluorine.
Updated On: Oct 1, 2026
  • PVC
  • Teflon
  • neoprene
  • Buna-S
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept
We need a polymer in which all the hydrogen atoms of the monomer have been replaced by fluorine.

Step 2: Teflon
Teflon is made by polymerising tetrafluoroethylene, \(\text{CF}_2\text{=CF}_2\):
\[ n\,\text{CF}_2\text{=CF}_2\to[\text{-CF}_2\text{-CF}_2\text{-}]_n \]
There is no hydrogen in the chain, so it is fully fluorinated.

Step 3: Others
PVC is polyvinyl chloride and has chlorine. Neoprene is based on chloroprene and has chlorine. Buna-S is a copolymer of butadiene and styrene with no fluorine.

Final Answer:
Teflon is built from \(\text{CF}_2\text{=CF}_2\) and is fully fluorinated, option (B). \[ \boxed{\text{Teflon}} \]
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