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Which is a common impurity in 2,4,5-T...

Which is a common impurity in 2,4,5-T

A

TCDD

B

2,4-D

C

Ethylene

D

Terpenes

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understand the Chemical in Question**: The question asks about a common impurity in 2,4,5-T, which is short for 2,4,5-trichlorophenoxyacetic acid. This compound is widely used as a herbicide. 2. **Identify the Options**: The options provided are: - A) TCDD - B) 2,4-D - C) Ethylene - D) Terpenes 3. **Analyze 2,4,5-T**: 2,4,5-T is known to contain impurities, and it is important to identify what those impurities are. One of the well-known impurities associated with 2,4,5-T is TCDD. 4. **Evaluate Each Option**: - **Option A: TCDD**: TCDD stands for 2,3,7,8-tetrachlorodibenzodioxin, which is indeed a toxic compound and a known impurity in 2,4,5-T. Therefore, this option is correct. - **Option B: 2,4-D**: This is another herbicide (2,4-dichlorophenoxyacetic acid) but is not an impurity in 2,4,5-T. Thus, this option is incorrect. - **Option C: Ethylene**: Ethylene is a plant hormone involved in fruit ripening and is not related to 2,4,5-T. This option is also incorrect. - **Option D: Terpenes**: These are organic compounds that help protect plants from herbivores and are not impurities in 2,4,5-T. This option is incorrect as well. 5. **Conclusion**: The only correct answer, based on the analysis, is TCDD, which is a common impurity in 2,4,5-T. **Final Answer**: The common impurity in 2,4,5-T is **TCDD**. ---
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