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Increasing order of paramagnetism is...

Increasing order of paramagnetism is

A

`Cu^(2+), Co^(2+), Mn^(2+), Ni^(2+)`

B

`Co^(2+) Cu^(2+), Mn^(2+), Ni^(2+)`

C

`Cu^(2+) Ni^(2+), Co^(2+) Mn^(2+)`

D

`Mn^(2+), Co^(2+), Ni^(2+), Cu^(2+)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Electronic configuration of Fe^2+.........

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  2. Write the electronic configuration of Cr ( Z = 24).

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  3. Increasing order of paramagnetism is

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  4. What are transition elements ? Which of the d block elements are not r...

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  5. In what way is the electronic configuration of transition elements dif...

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  6. What is the basic difference between the electronic configurations of ...

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  7. Why are f-block elements placed at the bottom of the periodic table ? ...

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  8. Give an explanation for the following observation : The gradual decrea...

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  9. Give an explanation for the following observation : The greatest numbe...

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

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

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

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

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

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

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

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

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  18. Give oxidation of KI by acidified K2Cr2O7 .

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

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  20. What are lanthanoids ? Explain lanthanoid contraction.

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