The dangers of “forever chemicals” to firefighters
The IB covers halogenoalkanes at both SL and HL in Topic 10 Halogenoalkanes & benzene but restricts the coverage to chloro-, bromo-and iodoalkanes. This is because the C−F bond (492 kJ mol−1) is so much stronger than the C−Cl, C−Br and C−I bonds (324, 285 and 228 kJ mol−1 respectively) making fluoroalkanes very unreactive. Students are generally aware of this as it is one of the main reasons why poly(tetrafluoroethene),...
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