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Explain the following observation : In g...

Explain the following observation : In general, the atomic radii of transition elements decrease with atomic number in a given series.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Give an explanation for the following observation : The greatest numbe...

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  2. Write the iupac name of following : [Cr (NO2) 2(H2O)4 ]NO3

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  3. Explain the following observation : In general, the atomic radii of tr...

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

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  5. Account for the following : The E^@ value for the Mn^(3+)|Mn^(2+) coup...

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

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  7. Explain the following observations : Although Co^(2+) ion appears to b...

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  8. Why E^(Theta) values for Mn, Ni and Zn are more negative than expected...

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

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  10. Give oxidation of KI by acidified K2Cr2O7 .

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  11. Write the iupac name of following : [Ni (H2O) 2 (NH3)4]SO4

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  12. What are lanthanoids ? Explain lanthanoid contraction.

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  13. Why transition elements show catalytic property? Give two examples of ...

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

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  15. Account for the following : The E^@ value for the Mn^(3+)|Mn^(2+) coup...

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  16. Why is the highest oxidation state of a metal exhibited in its oxide...

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

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  18. Which of the following exhibits the greatest number of oxidation state...

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  19. Give an explanation for the following observation : With the same d-or...

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  20. How would you account for the following ? The actinoids exhibit a larg...

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