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The O.S. of manganese in KMnO4is +7...

The O.S. of manganese in `KMnO_4`is +7

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. As Oxidation state of a transition metal increases,the base character ...

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  2. ZnO turns yellow on heating. Why?

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  3. The O.S. of manganese in KMnO4is +7

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

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

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  6. Give the general electronic configuration of d-block elements.

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  7. Scandium (z = 21) is a transition element but zinc (z = 30) is not. Ex...

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  8. Sliver atom has completely filled d-orbitals (4d^10) in its ground sta...

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  9. Zn salts are white, Ni^(++) salts are blue explain

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  10. Account for : Zn^(2+) salts are white while Cu^(2+) salts are blue.

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

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  12. Why Cd^(2+) salts are white ? Cd=48

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  13. Which of the two is paramagnetic V(IV) or V(V) and why ?

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  14. Ionisation energy of 5d-elements is more than 3d- and 4d-elements. W...

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

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

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

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

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  19. Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?

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  20. Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?

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