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Compare lanthanoids and actinoids with r...

Compare lanthanoids and actinoids with reference to :
(i) the electronic of atoms
(ii) the oxidation states of elements
(iii) general chemical reactivity of elements.

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  1. Give three important uses of lanthanoids and actinoids.

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  2. What is lanthanoid contraction? What is its cause and what ar its cons...

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  3. Why is the seperation of lanthanoids difficult ?

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  4. The element cerium forms Ce^(4+) ion in aqueous solution. Explain.

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  5. Which is the most common oxidation state exhibited by lanthanoids ?

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  6. What is lanthanoid contraction?

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  7. Why do Zr and Hf exhibit similar properties ?

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  8. (a) Why is La(OH)(3) is more basic than Lu(OH)(3) ? (b) Why ar the p...

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  9. What is meant by lanthanoids contraction ? What effect does it have o...

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  10. Whys is chemistry of all lanthaoids identical ?

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  11. Compare lanthanoids and actinoids with reference to : (i) the electr...

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  12. The actinoids exhibit, more member of oxidation states in general than...

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  13. How will you account for the following ? (i) The metallic radii of ...

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  14. Give details of Actinoids

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  15. What is Lanthanoid contraction? Name an alloy which contains some of t...

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  16. Name a member of the lanthanoid series which is well known to exhibit ...

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  17. Explain actinoid contraction .

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  18. Why do actinoid exhibit irregularity in their electronic configuration...

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  19. The chemistry of the early actinoids is more complicated than the corr...

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