For lead poisoning,the antidote used is:

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(D) Lead poisoning is treated using chelating agents that can form stable,water-soluble complexes with lead ions,allowing them to be excreted from the

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$[Ca(EDTA)]^{2-}$

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(D) Lead poisoning is treated using chelating agents that can form stable,water-soluble complexes with lead ions,allowing them to be excreted from the body. $EDTA$ (Ethylenediaminetetraacetic acid) is commonly used for this purpose. Specifically,the calcium complex of $EDTA$,which is $[Ca(EDTA)]^{2-}$,is administered. In the body,the lead ions $(Pb^{2+})$ displace the calcium ions $(Ca^{2+})$ from the complex because the lead-$EDTA$ complex is more stable. The resulting lead complex is then excreted through urine.

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