Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E. (poly chloro tetra fluoro ethylene). It is also called ________________?
Correct answer: C. Teflon
- A. Polyurethane
- B. Silicone rubber
- C. Teflon
- D. Epoxy resin
Explanation
Tetrafluoroethylene, C₂F₄, polymerises to polytetrafluoroethylene, or PTFE, widely known by the trade name Teflon. The parenthetical expansion in the question is incorrect: “poly chloro tetrafluoroethylene” is PCTFE, not PTFE.
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