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प्रश्न
Which of the following actinoids show oxidation states upto +7?
(i) Am
(ii) Pu
(iii) U
(iv) Np
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उत्तर
(ii) Pu
(iv) Np
Explanation:
Actinides show a variety of oxidation states like +3, +5, +6 and +7.
Plutonium and Neptunium show all oxidation states up to +7.
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संबंधित प्रश्न
Distinguish between lanthanoid and actinoids.
Why do actinoids show a wide range of oxidation states?
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.
What is the position of actinoids in periodic table ?
How would you account the following :
Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O7.
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
Choose the most correct option.
In which of the following series all the elements are radioactive in nature?
Manganese in the +2 oxidation state is more stable than +3 oxidation state where as iron is stable at +3 oxidation state than +2 oxidation state. Explain why?
Which of the following actinoids exhibits only + 3 oxidation state?
Which of the following actinoids shows +6 oxidation state?
Identify the CORRECT statement.
The actinoid contraction is attributed to the ____________.
The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.
The electronic configuration of Ux+ ion is [Rn]. What is the value of x?
[At. No. of U = 92]
Which among the following elements is radioactive?
The inner transition metals of 5f series are known as ____________.
Why do actinoids show variable oxidation states?
What are actinoids? Give their general electronic configuration.
