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प्रश्न
Which of the following oxidation states is most common among the lanthanoids?
पर्याय
4
2
5
3
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उत्तर
3
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संबंधित प्रश्न
Write the general outer electronic configuration of f- block elements.
Assertion: Ce4+ is used as an oxidizing agent in volumetric analysis.
Reason: Ce4+ has the tendency of attaining +3 oxidation state.
The actinoid elements which show the highest oxidation state of +7 are ____________.
Which one of the following is not correct?
What are actinoids? Give three examples.
What is lanthanoid contraction and what are the effects of lanthanoid contraction?
Out of Lu(OH)3 and La(OH)3 which is more basic and why?
The elements in which electrons are progressively filled in 4f-orbital are called ______.
Electronic configurations of four elements A, B, C and D are given below:
(A) 1s22s22p6
(B) 1s22s22p4
(C) 1s22s22p63s1
(D) 1s22s22p5
Which of the following is the correct order of increasing tendency to gain electron:
Electronic configuration, [Ne] 3s2 3p4 is for ______.
