Answer the following questions:
a) Mention some of the industrial uses of Phosgene?
b) List out some of the symptoms of Phosgene exposure?
c) What caused the release of Phosgene in the Union Carbide plant?
d) Define the term 'Acylation' briefly in one or two sentences?
e) What was the chemical mixture that caused the Bhopal disaster?
Answers
Answer:
Phosgene is a major industrial chemical used to make plastics and pesticides. At room temperature (70°F), phosgene is a poisonous gas. With cooling and pressure, phosgene gas can be converted into a liquid so that it can be shipped and stored.
Coughing.
Burning sensation in the throat and eyes.
Watery eyes.
Blurred vision.
The Bhopal disaster, also referred to as the Bhopal gas tragedy, was a gas leak incident on the night of 2–3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh, India. It is considered among the world's worst industrial disasters.[1][2] Over 500,000 people were exposed to methyl isocyanate (MIC) gas. The highly toxic substance made its way into and around the small towns located near the plant.[3]
In chemistry, acylation (or alkanoylation) is the process of adding an acyl group to a compound. The compound providing the acyl group is called the acylating agent. The mechanism of this reaction is electrophilic aromatic substitution.
happened at a Union Carbide subsidiary pesticide plant in the city of Bhopal, India. On the night of 2-3 December 1984, the plant released approximately 40 tonnes of toxic methyl isocyanate (MIC) gas, exposing more than 500,000 people to toxic gases.
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