Parathion is a pesticide.In which one of the following categories it belongs

Options

A. Organochlorine
B. Synthetic pyrethroids
C. Carbamate
D. Organophosphate

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the category to which Parathion, a pesticide, belongs.

2. **Identifying Parathion**: Parathion is a chemical compound known for its use as a pesticide. It is important to recognize that pesticides are substances used to kill pests, which can include insects, weeds, and other unwanted organisms.

3. **Categorizing Pesticides**: Pesticides can be classified into various categories based on their chemical structure and mechanism of action. Common categories include organophosphates, carbamates, pyrethroids, and others.

4. **Identifying the Chemical Class of Parathion**: Parathion is classified as an organophosphate. Organophosphates are a group of chemicals that are derived from phosphoric acid and are widely used as pesticides due to their effectiveness in controlling pests.

5. **Properties of Organophosphates**: Organophosphates, including Parathion, are known for being highly toxic to a wide range of organisms, including humans and animals. They work by inhibiting the enzyme acetylcholinesterase, which is crucial for the proper functioning of the nervous system.

6. **Conclusion**: Based on the classification and properties discussed, Parathion belongs to the category of organophosphate pesticides.

**Final Answer**: Parathion belongs to the category of organophosphate pesticides.

---