Question
What acids can CFC and HCFC refrigerants decompose into at high temperatures (e.g. open flames, glowing metal surfaces, etc.)? (A) A) Phosphoric and dodecylbenzenesulfonic acid (B) B) Sulfuric and phosphoric acids (C) C) Hydrochloric and hydrofluoric acids (D) D) Boric and chromic acids
Ask by Conner Perkins. in the United States
Feb 03,2025
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Tutor-Verified Answer
Answer
At high temperatures, CFC and HCFC refrigerants decompose into hydrochloric and hydrofluoric acids.
Solution
When chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are exposed to high temperatures, such as open flames or glowing metal surfaces, they undergo thermal decomposition. This decomposition process breaks down the molecules, releasing various byproducts.
Both CFCs and HCFCs contain chlorine and fluorine atoms bonded to carbon atoms. Upon decomposition, these bonds break, leading to the formation of hydrochloric acid (HCl) and hydrofluoric acid (HF). These acids are highly corrosive and pose significant health and environmental hazards.
**Correct Answer:**
**C) Hydrochloric and hydrofluoric acids**
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When CFC and HCFC refrigerants decompose at high temperatures, like in the presence of open flames or glowing metal surfaces, they can break down into hydrochloric acid and hydrofluoric acid. These acids can be quite harmful due to their corrosive nature and potential health hazards. It's important to note that the decomposition of these refrigerants under such extreme conditions can lead to the production of toxic substances, requiring strict safety measures during handling and disposal. Always ensure proper ventilation and protective equipment are used when dealing with refrigerants to mitigate these risks!
