Applications
EDTA is used in chelation therapy to remove:
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About This Question
- Subject
- chemistry
- Chapter
- coordination compounds
- Topic
- applications
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Heavy metal ions like Pb²⁺
Coordination chemistry plays a vital role in medicine through Chelation Therapy.
- EDTA (Ethylenediaminetetraacetate) is a hexadentate ligand that can 'wrap' around metal ions.
- It forms extremely stable, water-soluble complexes with heavy metals like Lead (Pb2+), Mercury (Hg2+), and Arsenic.
- Once bound by EDTA, these toxic metals can no longer interact with biological enzymes and are safely excreted from the body via urine.
This easy difficulty chemistry question is from the chapter coordination compounds, covering the topic of applications. It appeared in the 2025 exam.
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