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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.
How would you account for the following:
The chemistry of actinoids is more complicated as compared to lanthanoids.
With reference to structural variability and chemical reactivity, write the differences between lanthanoids and actinoids
Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
Compare the chemistry of the actinoids with that of lanthanoids with reference to oxidation states
Compare the chemistry of the actinoids with that of lanthanoids with reference to chemical reactivity.
Write four points of distinction between Lanthanoids and Actinoids.
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
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?
Identify the CORRECT statement.
Actinoid series begins at ____________ and ends at ____________.
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 ____________.
Maximum oxidation state exhibited by Chlorine is ______.
The incorrect statement among the following is:
What causes actinoid contraction?
