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Which of the following compounds was introduced as a substitute for ozone-depleting substances but turned out to be a potent Greenhouse gas?
- a)Chlorofluorocarbons (CFCs)
- b)Hydrochlorofluorocarbons (HCFCs)
- c)Carbon tetrachloride (CC14)
- d)Hydrofluorocarbons (HFCs)
Correct answer is option 'D'. Can you explain this answer?
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Which of the following compounds was introduced as a substitute for o...
Ozone-depleting substances are chemicals that destroy the earth’s protective ozone layer.
They include:
- Chlorofluorocarbons (CFCs)
- Halons
- Carbon tetrachloride (CCl4)
- Methyl chloroform (CH3CCl3)
- Hydrobromofluorocarbons (HBFCs)
- Hydrochlorofluorocarbons (HCFCs)
- Methyl bromide (CH3Br)
- Bromochloromethane (CH2BrCl)
- Production and import of these chemicals is controlled by the Montreal Protocol on Substances that Deplete the Ozone Layer (the Montreal Protocol).
- Hydrofluorocarbons (HFCs) are greenhouse gases (GHGs) commonly used in a wide variety of applications, including refrigeration, air-conditioning (AC), building insulation, fire extinguishing systems, and aerosols. HFCs have high global warming potential (GWP), raising concern about their impacts as they become increasingly used as replacements for ozone-depleting substances.
- Hydrofluorocarbons (HFCs), was introduced as non-ozone depleting alternatives to support the timely phase-out of CFCs and HCFCs.
- These chemicals do not deplete the stratospheric ozone layer, some of them have high Global Warming Potential, ranging from 12 to 14,000. Therefore HFCs are potent greenhouse gases that can be hundreds to thousands of times more potent than carbon dioxide (CO2) in contributing to climate change per unit of mass.
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Which of the following compounds was introduced as a substitute for o...
Hydrofluorocarbons (HFCs)
HFCs were introduced as a substitute for ozone-depleting substances like CFCs and HCFCs due to their lower ozone-depletion potential. However, it was later discovered that HFCs are potent Greenhouse gases, contributing to global warming and climate change.
Greenhouse Gas Emissions
HFCs have a high Global Warming Potential (GWP) compared to other greenhouse gases such as carbon dioxide. When released into the atmosphere, HFCs trap heat, leading to an increase in global temperatures.
Regulations and Phase-Out
Recognizing the environmental impact of HFCs, international agreements like the Kigali Amendment to the Montreal Protocol have been established to phase out the use of HFCs. Countries are encouraged to transition to more environmentally friendly alternatives to reduce greenhouse gas emissions.
Impact on Climate Change
The continued use of HFCs can significantly contribute to global warming and climate change. It is crucial to adopt sustainable practices and technologies to mitigate the effects of these potent greenhouse gases on the environment.
In conclusion, while HFCs were initially seen as a solution to ozone depletion, their impact on climate change highlights the importance of considering the overall environmental effects of chemical substitutes.
HFCs were introduced as a substitute for ozone-depleting substances like CFCs and HCFCs due to their lower ozone-depletion potential. However, it was later discovered that HFCs are potent Greenhouse gases, contributing to global warming and climate change.
Greenhouse Gas Emissions
HFCs have a high Global Warming Potential (GWP) compared to other greenhouse gases such as carbon dioxide. When released into the atmosphere, HFCs trap heat, leading to an increase in global temperatures.
Regulations and Phase-Out
Recognizing the environmental impact of HFCs, international agreements like the Kigali Amendment to the Montreal Protocol have been established to phase out the use of HFCs. Countries are encouraged to transition to more environmentally friendly alternatives to reduce greenhouse gas emissions.
Impact on Climate Change
The continued use of HFCs can significantly contribute to global warming and climate change. It is crucial to adopt sustainable practices and technologies to mitigate the effects of these potent greenhouse gases on the environment.
In conclusion, while HFCs were initially seen as a solution to ozone depletion, their impact on climate change highlights the importance of considering the overall environmental effects of chemical substitutes.
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Which of the following compounds was introduced as a substitute for ozone-depleting substances but turned out to be a potent Greenhouse gas?a)Chlorofluorocarbons (CFCs)b)Hydrochlorofluorocarbons (HCFCs)c)Carbon tetrachloride (CC14)d)Hydrofluorocarbons (HFCs)Correct answer is option 'D'. Can you explain this answer?
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Which of the following compounds was introduced as a substitute for ozone-depleting substances but turned out to be a potent Greenhouse gas?a)Chlorofluorocarbons (CFCs)b)Hydrochlorofluorocarbons (HCFCs)c)Carbon tetrachloride (CC14)d)Hydrofluorocarbons (HFCs)Correct answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following compounds was introduced as a substitute for ozone-depleting substances but turned out to be a potent Greenhouse gas?a)Chlorofluorocarbons (CFCs)b)Hydrochlorofluorocarbons (HCFCs)c)Carbon tetrachloride (CC14)d)Hydrofluorocarbons (HFCs)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following compounds was introduced as a substitute for ozone-depleting substances but turned out to be a potent Greenhouse gas?a)Chlorofluorocarbons (CFCs)b)Hydrochlorofluorocarbons (HCFCs)c)Carbon tetrachloride (CC14)d)Hydrofluorocarbons (HFCs)Correct answer is option 'D'. Can you explain this answer?.
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