Assertion :Ethylenediamine tetraacetic acid, $E D T A$ , in the form of its calcium salt, is administrated as an antidote for lead poisoning and the calcium salt administrated rather than the free acid. Reason: EDTA can form complex with lead present in the body. Calcium salt is preferred otherwise calcium of the body will also be removed as calcium-EDTA complex (that is harmful).

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Ethylenediamine tetraacetic acid, EDTA, in the form of its calcium salt, is administrated as an antidote for lead poisoning and the calcium salt administrated rather than the free acid.
EDTA can form complex with lead present in the body. Calcium salt is preferred otherwise calcium of the body will also be removed as calcium-EDTA complex (that is harmful).
Both the statements are correct and the reason is correct explanation for assertion.
Hence option A is correct.

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