2, 4-D stands for

Options

A. 2, 4-Dichlorophenoxy Acetic Acid
B. 2, 4-Dichloro Butyric Acid
C. 2, 4-Dichloronaphthoxy Acetic Acid
D. 2, 4-Dichloronaphthalene Acetic Acid.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the full name represented by the abbreviation "2,4-D."

2. **Identifying the Options**: The options provided are:
- 2,4-Dichlorophenoxyacetic acid
- 2,4-Dichlorobutyric acid
- 2,4-Dichloronaphytoxyacetic acid
- 2,4-Dichloronaphethyleneacetic acid

3. **Analyzing Each Option**:
- The first option, "2,4-Dichlorophenoxyacetic acid," is a known compound that is widely recognized in the field of botany and herbicides.
- The other options, while they contain similar components, do not correspond to the commonly accepted name for "2,4-D."

4. **Confirming the Correct Answer**:
- 2,4-D is indeed short for "2,4-Dichlorophenoxyacetic acid." It is a synthetic auxin, which is a type of plant hormone that affects growth.
- It is primarily used as a herbicide to control broadleaf weeds.

5. **Final Conclusion**: Therefore, the correct answer to the question "2,4-D stands for" is **2,4-Dichlorophenoxyacetic acid**.

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