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Inert pair effect - Periodic Properties Video Lecture | Inorganic Chemistry
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FAQs on Inert pair effect - Periodic Properties Video Lecture - Inorganic Chemistry
| 1. What is the inert pair effect? |  |
Ans. The inert pair effect refers to the phenomenon in which the s-electrons in the outermost energy level of certain heavy elements become less reactive and tend to remain unutilized during chemical reactions.
| 2. Which elements are known to exhibit the inert pair effect? | |
Ans. The inert pair effect is commonly observed in elements belonging to groups 13, 14, and 15 of the periodic table, such as thallium, lead, and bismuth.
| 3. How does the inert pair effect influence the chemical behavior of elements? | |
Ans. The inert pair effect leads to a preference for the lower oxidation states in elements. For example, thallium, with a valence electron configuration of ns^2np^0, tends to display the +1 oxidation state instead of the expected +3 oxidation state, as the 6s electrons are less involved in bonding.
| 4. What are the consequences of the inert pair effect in terms of chemical reactivity? | |
Ans. The inert pair effect results in a decrease in the reactivity of elements, particularly in their ability to form covalent bonds. It also leads to an increased stability of lower oxidation states compared to higher oxidation states.
| 5. How does the inert pair effect relate to periodic trends? | |
Ans. The inert pair effect is a consequence of the increasing energy difference between the ns and (n-1)d orbitals as one moves down a group in the periodic table. This trend can be attributed to the poor shielding effect of the d electrons, causing the ns electrons to be less available for bonding and thus exhibiting the inert pair effect.
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Oct 27, 2024 Last updated |
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