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What is lanthanide contraction and w...

What is lanthanide contraction and what are the effects of lanthanide contraction ?

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As we move across 4f series the atomic and ionic radii of lanthanoids show gradual decrease with increase in atomic number . This decrease in ionic size is called lanthanoid contraction.
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SURA PUBLICATION-TRANSITION AND INNER TRANSITION ELEMENTS-Answer the Following Question
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  2. (a) Describe the preparation of potassium dichromate.

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  3. What is lanthanide contraction and what are the effects of lanth...

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  4. Complete the following a . MnO(4)^(2+) + H^(+) to ? b . C(6) H(...

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  5. What are interstitial compounds ?

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  6. Calculate the number of unpaired electrons in Ti^(3+) , Mn^(2+) a...

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  7. Write the electronic configuration of Ce^(4+) and Co^(2+)

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  8. Explain briefly how +2 states becomes more and more stable in t...

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  9. Which is more stables ? Fe^(3+) or Fe^(2+) - explain .

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  10. Explain the variation in E(m^(2+))^(0) //M 3d series .

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  11. Compare Lantanides and actinides.

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  12. Explain why Cr^(2+) strongly reducing while Mn^(3+) is strongly ...

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  13. Compare the ionization enthalpies of first series of the transition...

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  14. Actinod contraction is greater from element to element than the ...

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  15. Comparing La(OH)(3) and Lu(OH)(3), which is more basic and explain why...

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  16. Why Europium (ii) is more stable than Cerium (ii) ?

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  17. Why do zirconium and Hafnium exhibit similar properties?

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  18. Which is stronger reducing agent Cr^(2+) or Fe^(2+) ?

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  19. The E(M^(2+) //M)^(0) value for cpper is positive Suggest a possi...

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  20. Predic which of the following will coloured in aqueous solution ...

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