Which refrigerant is used as an example of a CFC?

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Multiple Choice

Which refrigerant is used as an example of a CFC?

Explanation:
CFCs are chlorofluorocarbons—refrigerants that contain chlorine and fluorine bonded to carbon, with no hydrogen. This structure is why they are associated with ozone depletion. Among the options, the classic examples of CFCs are R11 and R12 (trichlorofluoromethane and dichlorodifluoromethane). The other refrigerants belong to different families: R22 is an HCFC, which has chlorine but also hydrogen, so it isn’t a true CFC; R134a and R410A are HFCs, containing fluorine and hydrogen but no chlorine, so they aren’t CFCs.

CFCs are chlorofluorocarbons—refrigerants that contain chlorine and fluorine bonded to carbon, with no hydrogen. This structure is why they are associated with ozone depletion. Among the options, the classic examples of CFCs are R11 and R12 (trichlorofluoromethane and dichlorodifluoromethane). The other refrigerants belong to different families: R22 is an HCFC, which has chlorine but also hydrogen, so it isn’t a true CFC; R134a and R410A are HFCs, containing fluorine and hydrogen but no chlorine, so they aren’t CFCs.

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