ES - Halogenalkanes Flashcards
1
Q
Suggest two reasons why there is still concern about ozone depletion (regarding CFCs)
A
CFCs take many years to reach the ozone layer
CFCs are still being used
2
Q
Suggest a property that made CF3CL suitable as a propellant in an aerosol
A
Gas
3
Q
Explain what is meant by the term homolytic fission
A
Bonded pair break and split equally
4
Q
Identify the 2 free radicals most likely to be formed when CF3CL is exposed to UV radiation
A
Cl.
.CF3
5
Q
2 properties of CCl2F2
A
Non-toxic
Non-flammable
6
Q
2 uses of CCL2F2
A
Aerosols because it is volatile
Blowing polyesters because it is unreactive
