Question:
A member of the Lanthanoid series which is well known to exhibit +4 oxidation state is
A member of the Lanthanoid series which is well known to exhibit +4 oxidation state is
Show Hint
Cerium is the only element in the lanthanoid series that exhibits a stable +4 oxidation state, commonly in compounds like cerium dioxide (\( \text{CeO}_2 \)).
Updated On: Aug 13, 2025
- Europium
- Erbium
- Cerium
- Samarium
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
The lanthanoid series consists of the elements with atomic numbers from 57 to 71. The +4 oxidation state is relatively rare among the lanthanoids, but it is most commonly exhibited by Cerium (Ce). Cerium has an oxidation state of +4 in certain compounds, whereas other lanthanoids like Europium and Samarium predominantly show +3 oxidation states. Thus, the correct answer is: \[ \text{(3) Cerium} \]
Was this answer helpful?
1
2
Top Questions on Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
- Which of the following is an example of a redox reaction?
- MHT CET - 2025
- Chemistry
- Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
- Which of the following is an example of a redox reaction?
- MHT CET - 2025
- Chemistry
- Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
- In the reaction \( \text{Zn(s) + \text{Cu}^{2+}(aq) \rightarrow \text{Zn}^{2+}(aq) + \text{Cu(s)} \), what is the oxidation state of zinc in the products?}
- MHT CET - 2025
- Chemistry
- Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
- Structure of residue (A) and compound (B) formed respectively is:
- JEE Main - 2025
- Chemistry
- Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
- Which of the following can not act as an oxidising agent?
- JEE Main - 2024
- Chemistry
- Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
View More Questions
Questions Asked in KCET exam
- If the number of terms in the binomial expansion of \((2x + 3)^n\) is 22, then the value of \(n\) is:
- KCET - 2025
- Binomial theorem
- A random experiment has five outcomes \(w_1, w_2, w_3, w_4, w_5\). The probabilities of the occurrence of the outcomes \(w_1, w_2, w_4, w_5\) are respectively \( \frac{1}{6}, a, b, \frac{1}{12} \) such that \(12a + 12b - 1 = 0\). Then the probabilities of occurrence of the outcome \(w_3\) is:
- KCET - 2025
- Probability
- If 'a' and 'b' are the order and degree respectively of the differentiable equation \[ \frac{d^2 y}{dx^2} + \left(\frac{dy}{dx}\right)^3 + x^4 = 0, \quad \text{then} \, a - b = \, \_ \_ \]
- KCET - 2025
- Differential equations
- Meera visits only one of the two temples A and B in her locality. Probability that she visits temple A is \( \frac{2}{5} \). If she visits temple A, the probability that she meets her friend is \( \frac{1}{3} \). The probability that she meets her friend, whereas it is \( \frac{2}{7} \) if she visits temple B. Meera met her friend at one of the two temples. The probability that she met her friend at temple B is:
- KCET - 2025
- Probability
In a practical examination, the following pedigree chart was given as a spotter for identification. The students identify the given pedigree chart as
- KCET - 2025
- Genetics
View More Questions