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How would you account for the following ...

How would you account for the following : Of the `d^4` species, `Cr^(2+)` is strongly reducing while Mn(III) is strongly oxidising.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Show the formation of aluminium flouride.

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  2. Why do transition metals have high enthalpies of atomization ?

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  3. How would you account for the following : Of the d^4 species, Cr^(2+) ...

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  4. Show the formation of sodium sulphide.

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  5. Show the formation of sodium phosphide.

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  6. Show the formation of potassium oxide.

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  7. Show the formation of potassium chloride.

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  8. What is the bond order in hydrogen molecule according to lewis .

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  9. What is the bond order in oxygen molecule according to lewis .

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  10. The paramagnetic character of first transition series increases upto m...

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  11. What is the bond order in nitrogen molecule according to lewis

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  12. Name the third and fourth transition elements of first transition seri...

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  13. What is the theoretical magnetic moment of Ti^(3+) ion ?

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  14. Which of the two V(+5) or V(+4) is diamagnetic ?

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  15. Which of the following ions are expected to be coloured ? Ni^(2+), Ti^...

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  16. Express 2072 in roman numbers.

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  17. Out of Fe^(2+) and Fe^(3+) which is more paramagnetic and why ?

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  18. Express 2073 in roman numbers.

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  19. Name any three elements of transition series which have abnormal elect...

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  20. Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?

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