The Bhopal Gas Tragedy was a catastrophic incident that occurred in Bhopal, India in December 1984. It was caused by the accidental release of a toxic gas from a chemical plant owned by Union Carbide India Limited.

Option 1: Carbon monoxide is a colorless and odorless gas that is toxic when inhaled in high concentrations. However, carbon monoxide was not the specific gas released in the Bhopal Gas Tragedy.

Option 2: Carbonyl chloride, also known as phosgene, is a highly toxic gas that was used as a chemical weapon during World War I. Phosgene is not the gas that was released in the Bhopal Gas Tragedy.

Option 3: Methyl cyanide, also known as acetonitrile, is a colorless liquid that is used in various industrial processes. However, methyl cyanide was not the gas released in the Bhopal Gas Tragedy.

Option 4: The correct answer is methyl isocyanate (MIC). Methyl isocyanate is a highly toxic and reactive chemical that was released in large quantities during the Bhopal Gas Tragedy. The release of MIC led to the immediate deaths of