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L19 :Stability of higher oxidation states - D & F Block Elements, Chemistry, Video Lecture - Class 12

FAQs on L19 :Stability of higher oxidation states - D & F Block Elements, Chemistry, Video Lecture - Class 12

1. What is the stability of higher oxidation states in D and F block elements?

Ans. The stability of higher oxidation states in D and F block elements refers to the tendency of these elements to exist in higher oxidation states in their compounds. This stability is influenced by various factors such as the electronic configuration, atomic size, and the availability of d and f orbitals for bonding. Generally, elements in the middle of the d and f block tend to have higher stability in higher oxidation states.

2. How does the electronic configuration affect the stability of higher oxidation states in D and F block elements?

Ans. The electronic configuration of D and F block elements plays a crucial role in determining the stability of their higher oxidation states. Elements with partially filled d or f orbitals tend to have higher stability in higher oxidation states due to the presence of unpaired electrons that can participate in bonding. Additionally, elements with half-filled or fully filled d or f orbitals may exhibit higher stability in lower oxidation states.

3. What is the relationship between atomic size and the stability of higher oxidation states in D and F block elements?

Ans. Atomic size is inversely related to the stability of higher oxidation states in D and F block elements. As the atomic size decreases across a period, the effective nuclear charge experienced by the outermost electrons increases, making it more difficult to remove additional electrons and achieve higher oxidation states. On the other hand, as we move down a group, the atomic size increases, leading to a decrease in effective nuclear charge and an increase in the stability of higher oxidation states.

4. How do d and f orbitals influence the stability of higher oxidation states in D and F block elements?

Ans. The availability of d and f orbitals for bonding significantly affects the stability of higher oxidation states in D and F block elements. Elements with more available d or f orbitals can accommodate additional electrons and form stable compounds in higher oxidation states. On the contrary, elements with fewer available d or f orbitals may exhibit lower stability in higher oxidation states due to a limited number of electrons that can participate in bonding.

5. Which elements in the D and F block are known for their high stability in higher oxidation states?

Ans. Several elements in the D and F block are known for their high stability in higher oxidation states. For example, in the D block, elements like chromium (Cr), manganese (Mn), and iron (Fe) are known to form stable compounds in higher oxidation states. In the F block, elements such as cerium (Ce), praseodymium (Pr), and terbium (Tb) exhibit high stability in higher oxidation states. These elements often display versatile chemistry due to their ability to exist in different oxidation states.

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	Dec 25, 2024 Last updated

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