How can such unreactive compounds as CFCs cause so much damage to the ozone layer?
The ultraviolet light from the Sun breaks the C–Cl bonds in the CFC molecules in the upper atmosphere. This releases highly reactive chlorine free radicals.
25
Bromochlorodifluoromethane has been used in fire extinguishers. However, its breakdown products were found to be toxic. Draw the displayed formula of bromochlorodifluoromethane
25
CF3CH2F is being introduced as a replacement for various CFCs in refrigerants and aerosols. Name this compound.
1-fluoro-2-trifluoroethane
25
What is the main environmental problem caused by the use of CFCs?