Question

Which of the following is present in tenon?

• A. $F _{2}$
• B. $Cl _{2}$
• C. $I _{2}$
• D. $Br _{2}$

Answer 1

Answer: (A)

$F _{2}$

Answer 2

$\underset{\text{tetrafluoroethene}}{n F _{2} C = CF _{2}} {->[{\text { Polymerisation }}]}-\left[ F _{2} C - CF _{2}\right]_{n}$ Hence, $F _{2}$ is present in teflon.