Bhopal gas tragedy was due to the release of

Options

A. Phosgene and methyl isocyanate
B. `CO_2`
C. `NO_2`
D. `CH_2`

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Bhopal Gas Tragedy**: The Bhopal gas tragedy occurred in December 1984 in Bhopal, India. It is one of the world's worst industrial disasters.

2. **Identifying the Cause**: The tragedy was caused by the accidental release of toxic gases from a pesticide plant.

3. **Key Chemicals Involved**: The primary chemical released during the incident was Methyl isocyanate (MIC). This chemical is highly toxic and was used in the production of pesticides.

4. **Additional Toxic Chemicals**: Along with Methyl isocyanate, Phosgene was also released during the incident. Phosgene is another highly toxic substance that can cause severe respiratory damage.

5. **Conclusion**: Therefore, the Bhopal gas tragedy was primarily due to the release of Methyl isocyanate, with Phosgene also being involved as a toxic substance.

**Final Answer**: The Bhopal gas tragedy was due to the release of Methyl isocyanate and Phosgene.

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