Question
Download Solution PDFChloroform is slowly oxidised by air in the presence of light to form an extremely poisonous gas known as ______
This question was previously asked in
JKSSB SI Official Paper (Held On: 12 Dec 2022 Shift 1)
Answer (Detailed Solution Below)
Option 4 : Phosgene
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JKSSB SI GK Subject Test
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Detailed Solution
Download Solution PDFThe correct answer is Phosgene.
Key Points
- Chloroform, when exposed to air and light, is oxidized to form phosgene, a highly toxic gas.
- Phosgene is a colorless gas with a suffocating odor, resembling that of musty hay or green corn.
- It was used as a chemical weapon during World War I due to its lethal properties.
- Phosgene exposure can lead to severe respiratory damage and is potentially fatal even at low concentrations.
Additional Information
- Chloroform (CHCl3)
- A volatile, colorless liquid with a slightly sweet taste and odor.
- Historically used as an anesthetic but discontinued due to its harmful effects on the liver and potential to cause cardiac arrhythmias.
- Oxidation Reaction
- A chemical reaction where a substance loses electrons, often associated with the addition of oxygen or the loss of hydrogen.
- In the case of chloroform, oxidation in the presence of light leads to the formation of phosgene.
- Chemical Weapons
- Substances designed to cause death or harm through toxic properties.
- Phosgene, being one of the first chemical warfare agents, caused significant casualties during World War I.
- Safety Precautions
- Proper storage in dark, well-ventilated areas to minimize exposure to air and light.
- Use of personal protective equipment (PPE) to avoid inhalation or skin contact.
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