The correct option is D Methyl isocyanate
Methyl isocyanate is an organic compound. It is an intermediate chemical in the production of carbamate pesticides. It has also been used in the production of rubbers and adhesives. In Bhopal, the plant released approximately 40 tonnes of toxic methyl isocyanate (MIC) gas, exposing more than 5,00,000 people to toxic gases.