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Which of the 3d series of elements exhib...

Which of the 3d series of elements exhibits the largest number of oxidation states. Why?

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Manganese (Z=25), us its atom has the maximum number of unpaired electrons.
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
  1. Silver atom has completely filled d- orbitals (4d") in its ground stat...

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  2. In the séries Sc(Z= 21) to Zn(Z=30), the erithalpy of atoritisation of...

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  3. Which of the 3d series of elements exhibits the largest number of oxid...

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  4. The E((m^(2+)//m))^0 values for copper is positive (0.34 V). What is t...

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  5. How would you account for the irregular variation of ionisation enthal...

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  6. Why is the highest Oxidation state of a metal exhibited in its oxides ...

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  7. Which is a stronger oxidising agent Cr^2+orFe^(2+) Why?

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  8. Calculate the ‘spin only’ magnetic moment of M^(2+) (aq) ion (Atomic ...

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  9. Explain why Cu^+ ion is not stable in aqueous solution?

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  10. Actinoid contraction is greater from element to element than lanthanoi...

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  11. Write down the electronic configuration of: (i) Cr^(3+) (ii) pm^(3+...

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  12. Why are Mn '2+)' compounds more stąble than Fe towards oxidation to th...

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  13. Explain briefly how +2 state becomes more and more stable in the first...

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  14. To what extent do the electronic configuration decide the stability of...

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  15. What may be the stable oxidation-state of the transition element with ...

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  16. Name the oxometal anions of the first series of the transition metals ...

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  17. Write any one consequence of lanthanoid contraction.

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  18. What are the characteristics of transition elements?

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  19. In what way is the electronic configuration of the transition elements...

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  20. What are the different oxidation' states exhibited by the lanthanoids?

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