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Compare the chemistry of actinides with ...

Compare the chemistry of actinides with that of Lanthanides with special reference to oxidation state

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Compare the chemistry of actinides with that of the lanthanides with special reference to atomic and ionic sizes.

Compare the chemistry of actinides with that of the lanthanides with special reference to chemical reactivity.

Compare the chemistry of actinides with that of the lanthanoids with special reference to electronic Configuration.

Within each transition series, the oxidation states

The chemistry of the actinoid elements is not so smooth as that of the lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.

Although +3 is the characteristic oxidation State for lanthanoids but cerium also shows +4 oxidation state because ____________ .

What is the most common oxidation state in the Lanthanoids ?

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. How would you account for the irregular variation of ionisation enthal...

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  2. Write chemical reaction for preparation of K2Cr207 from chromite ore.

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  3. What is meant by ‘disproportionation’? Give two examples of disproport...

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  4. Compare the chemistry of actinides with that of Lanthanides with speci...

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  5. Compare the chemistry of actinides with that of Lanthanides with speci...

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  6. The 4d and 5d series of transition metals have more frequent metal-met...

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  7. What are the main consequences of lanthanoid contraction ?

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  8. Complete the following reaction equation : MnO4^(-) + Fe^(2+) + H^(+) ...

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  9. Complete the following reaction equation : MnO4^(-) + I^(-) + H2O rarr

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  10. Complete the following reaction equation : S2O3^(2-)+ Cr2O7^(2-)+ H^(...

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  11. How would you account for the following : The transition elements exhi...

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  12. How would you account for the following : Of the d^4 species, Cr^(2+) ...

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  13. How would you account for the following: Cobalt(II) is stable in aqueo...

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  14. Why is equropium (II) more stable than cerium (II) (Eu = 63, Ce =58) g...

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  15. Why Zr and Hf exhibit similar properties ?

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  16. Explain the following : Scandium forms no coloured ions, yet it is reg...

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  17. Explain the structure of chromate and dichromate ions.

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  18. Why do transition metals and their compounds are found to be good cata...

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  19. The paramagnetic character of first transition series increases upto m...

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  20. Why do transition metals form complexes and coloured ions?

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