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16.2 Relative strength of the C–Hal bond and F ...
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What is the main environmental problem caused by the use of CFCs?
depletion of the ozone layer
CF3CH2F is being introduced as a replacement for various CFCs in refrigerants and aerosols. Name this compound.
1-fluoro-2-trifluoroethane
Bromochlorodifluoromethane has been used in fire extinguishers. However, its breakdown products were found to be toxic. Draw the displayed formula of bromochlorodifluoromethane
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.
C
D
D
A
C
C
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