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Which of the 3d-series of transition ele...

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

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...

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  2. Explain the following observation : Cu^+ ion is not known in aqueous s...

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  3. Which of the 3d-series of transition elements exhibits the largestn nu...

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  4. How would you account for the following ? Cr^(2+) is stronger reducing...

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  5. How would you account for the following ? In a transition series of me...

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  6. How would you account for the following ? Metal-metal bonding is more ...

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  7. Among lanthanoids, Ln (III) compounds are predominant. However, occasi...

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  8. The E(M^(2+) // M)^@ for copper is positive (0.34 V). Copper is the on...

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  9. How would you account for the following? The atomic radii of the metal...

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

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

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

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

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

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  15. Why do transition metals form complexes ?

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  16. Express 2118 in roman numbers.

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

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

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

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

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