Discussion
Polytetrafluoroethylene is used for non-stick and chemically resistant surfaces because of the
Answer: A
Correct answer: strength of the carbon-fluorine bond
The carbon-fluorine bond is among the strongest in organic chemistry, so PTFE resists almost every chemical and withstands temperatures at which other plastics degrade. The fluorine atoms also sheathe the carbon backbone completely and interact very weakly with anything else, which gives the exceptionally low surface energy responsible for the non-stick behaviour and the low friction.
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