Question

The compound used in treatment of lead poisoning is:
(A) EDTA
(B) Cis-platin
(C) D-penicillamine
(D) Desferrioxamine B

Answer 1

Hint:. The compound that is used to cure lead poisoning is a ligand. It has two nitrogen atoms and four oxygen atoms which can donate electrons (as donor atoms). This compound is also used in volumetric titration of many metals.

Complete step by step answer:
Lead poisoning is a kind of metal poisoning caused in the human body due to the presence of more lead.
- The symptoms of lead poisoning include headache, memory problem and abdominal pain, etc..
- One can suffer from lead poisoning after continuous exposure to contaminated air, water, food or cosmetic products. Generally, children are at greater risk of lead poisoning.
- Here, to remove the lead for our body, we use a ligand which can form metal complexes with lead. The compound used to cure lead poisoning is EDTA.
- EDTA stands for Ethylene diamine tetraacetic acid. It has two nitrogen atoms and four oxygen atoms which can donate electrons to metals. Thus, EDTA has a total of 6 donor atoms.
- Cis-Platin has Platinum atom in its structure. It is used as an anticancer agent.
- D-Penicillamine is used for copper poisoning.
- Desferrioxamine B is used to cure iron poisoning.
Thus, we can conclude that EDTA is used to cure lead poisoning.
So, the correct answer is “Option A”.

Note: EDTA is also called chelating agent because it forms a ring when the metal binds to it. Thus, the use of EDTA in the cure of lead poisoning is also called chelation therapy. Alongside EDTA, dimercaprol (BAL) is also used to cure lead poisoning.