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प्रश्न
Which of the following oxidation states is most common among the lanthanoids?
विकल्प
4
2
5
3
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उत्तर
3
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संबंधित प्रश्न
Which of the following lanthanoid ions is diamagnetic?
Assertion: Ce4+ is used as an oxidizing agent in volumetric analysis.
Reason: Ce4+ has the tendency of attaining +3 oxidation state.
What are inner transition elements?
Justify the position of lanthanides and actinides in the periodic table.
What is lanthanoid contraction and what are the effects of lanthanoid contraction?
Compare lanthanoids and actinoids.
Actinoid contraction is greater from element to element than the lanthanoid contraction, why?
Out of Lu(OH)3 and La(OH)3 which is more basic and why?
Why do zirconium and Hafnium exhibit similar properties?
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Size of Bk3+ ion is less than Np3+ ion.
Reason R: The above is a consequence of the lanthanoid contraction.
In the light of the above statements, choose the correct answer from the options given below.
