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Why the actinoids exhibit a large number...

Why the actinoids exhibit a large number of oxidation states than the corresponding lanthanoids ?

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How would you account for the following ? The actinoids exhibit a larger number of oxidation states than the corresponding members in the lanthanoid series.

Transition elements exhibit a large number of oxidation states.Explain.

Which of the following exhibits the greatest number of oxidation states?

Assertion : Lanthanoids show a limited number of oxidation states whereas actinoids show a large number of oxidation states. Reason : Energy gap between 4f, 5d and 6s subshells is small whereas that between 5f. 6d and 7s subshells is large.

Which of the 3d-series of transition elements exhibits the largestn number of oxidation states and why ?

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How would you account for the following: There is a greater range of oxidation states among the actinoids than among the lanthanoids.

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Transition metals form number of interstitial compounds. Explain.

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  2. Explain the following observation : There is a general increase in den...

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  3. Why the actinoids exhibit a large number of oxidation states than the ...

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  4. Why do the transition elements have higher enthalpies of atomisation? ...

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  5. How would you account for the following: The chemistry of actinoids is...

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  6. Why do transition metals form complexes ?

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  7. Express 2118 in roman numbers.

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

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  9. Transition metals form number of interstitial compounds. Explain.

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  10. Compare the chemistry of actinides with that of the lanthanoids with...

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

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  12. Compare the chemistry of actinides with that of the lanthanides with...

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  13. Compare the chemistry of actinides with that of the lanthanides with...

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

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  15. How do you prepare: K2MnO4 from MnO2 ?

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  16. How do you prepare: Na2Cr2O7 from Na2CrO4 ?

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  17. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

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  18. Account for the following : The enthalpy of atomization is lowest for ...

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  19. How would you account for the following: There is a greater range of o...

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  20. Name the element of 3d transition series which shows maximum number of...

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