Leakage of which one of the following gases had caused Bhopal Gas Tragedy in the year 1984 ?

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Q: 67 (CAPF/2017)
Leakage of which one of the following gases had caused Bhopal Gas Tragedy in the year 1984 ?

question_subject: 

Science

question_exam: 

CAPF

stats: 

0,40,4,40,0,3,1

keywords: 

{'bhopal gas tragedy': [1, 0, 1, 3], 'gases': [0, 0, 5, 12], 'methyl isocyanate': [1, 0, 2, 2], 'leakage': [0, 0, 0, 2], 'isophorone': [0, 0, 0, 1], 'isothiocyanate': [0, 0, 0, 1]}

The Bhopal Gas Tragedy, which occurred in 1984, was caused by the leakage of methyl isocyanate (option 1). Methyl isocyanate (MIC) is a highly toxic and volatile chemical compound that is used in the production of pesticides, particularly carbamate-based pesticides. It is colorless and has a pungent odor.

Option 2, hexamethylene diisocyanate, is a different chemical compound that is used in the production of polyurethane products, such as coatings and adhesives.

Isophorone diisocyanate (option 3) is also a chemical compound used in the production of polyurethane and other plastics.

Isothiocyanate (option 4) is a general term for a class of organic compounds that contain the isothiocyanate functional group. It is used in various applications, including as a precursor to pesticides.

Therefore, the correct answer is option 1, methyl isocyanate, as it was the gas responsible for the Bhopal Gas Tragedy.