R-123 refrigerant is classified as which type of refrigerant?

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Multiple Choice

R-123 refrigerant is classified as which type of refrigerant?

Explanation:
R-123 is HCFC. This family is defined by having hydrogen in the molecule in addition to chlorine and fluorine. HCFCs were developed to replace CFCs because the hydrogen presence reduces ozone depletion potential compared with pure chlorofluorocarbons. R-123 contains chlorine and hydrogen (along with fluorine), so it fits the hydrochlorofluorocarbon category rather than the chlorine-free HFCs or the newer, low-GWP HFOs. In contrast, CFCs have chlorine but no hydrogen, HFCs have no chlorine, and HFOs are hydrofluoroolefins with typically very low GWP.

R-123 is HCFC. This family is defined by having hydrogen in the molecule in addition to chlorine and fluorine. HCFCs were developed to replace CFCs because the hydrogen presence reduces ozone depletion potential compared with pure chlorofluorocarbons. R-123 contains chlorine and hydrogen (along with fluorine), so it fits the hydrochlorofluorocarbon category rather than the chlorine-free HFCs or the newer, low-GWP HFOs. In contrast, CFCs have chlorine but no hydrogen, HFCs have no chlorine, and HFOs are hydrofluoroolefins with typically very low GWP.

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