Question:
Lead poisoning in the body can be removed by
Lead poisoning in the body can be removed by
Updated On: Jul 6, 2022
- EDTA in the form of calcium dihydrogen salt
- cis-platin
- Zeisse?? salt
- DMG.
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The Correct Option is A
Solution and Explanation
Lead poisoning in the body can be removed by EDTA in the form of calcium dihydrogen salt. It is administered as an antidote for lead poisoning. EDTA coordinates with the lead ions in the body and is then excreted out of the body with out harmful effects. The calcium salt is used so that any excess EDTA will not remove calcium ions from the body. EDTA reduces the reactivity of a metal, preventing any unwanted effects that may result from its presence. EDTA is used in a salt form, most likely in disodium or calcium disodium EDTA.
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C. Among the hydrides, \(\text{NH}_3\) is a strong reducing agent while \(\text{BiH}_3\) is a mild reducing agent.
D. The basicity of the hydrides increases in the order \(\text{NH}_3 < \text{PH}_3 < \text{AsH}_3 < \text{SbH}_3 < \text{BiH}_3\)
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Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family